All of the organisms in question i.e. coccolithophores krill dinoflagellates photosynthetic bacteria diatoms are examples of microscopic algae.
What are microscopic algae?
Planktonic algae, often known as microalgae, are aquatic organisms that are found in hundreds of different kinds worldwide. The most well-known microalgae species include coccolithophores, cryptomonads, golden algae, yellow-green algae, and euglenoids, but diatoms, dinoflagellates, and green algae are also present. Since there are so many diatoms floating around in the oceans, nearly half of the oxygen on Earth is created through photosynthetic activity. Despite the fact that diatoms and dinoflagellates are types of planktonic algae, they are sometimes mistaken for red or brown algae. Due to their inability to float freely, red and brown algae are not regarded as phytoplankton. Rarely single-celled, true red and brown algae stick to rocks or other surfaces rather than drifting at the surface. For the same reasons, multicellular green algae is not regarded as phytoplankton. Algae must be single-celled or colonial (a collection of single cells) and live and die in the water without being attached to any substrate in order to be classified as phytoplankton.
Following available literature, all of coccolithophores, krill dinoflagellates, photosynthetic bacteria, diatoms fall under microscopic algae.
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Of the discoveries during the Scientific Revolution, which one has had the greatest impact on our lives?
Please help me
Answer: throughout history, the influence Jesus had on the lives of people has never been surpassed. No other great leader has inspired so many positive changes in the lives of his followers. People who encounter the risen Christ are totally transformed. Their outlook on life is altered forever. Staying true to their faith, they do not hesitate to face hardship, persecution, and even death. Many consecrate their lives to serving others, minimizing their own needs and desires.
Please refer to the passage to
help you answer the problem.
What is a purpose of fats?
A. forming the backbone of DNA
B. forming the cell nucleus
C. forming proteins
D. storing energy
Answer:
Answer is D
Explanation:
Backbone of DNA is made of sugars and phosphates. Chromosomes make up the DNA
Cell nucleus is made from DNA.
Proteins are made from amino acids.
Fats are stored in body and burn when the body has low energy.
D.storing energy
what are the types ?
Fats are a subgroup of compounds known as lipids that are found in the body and have the general property of being hydrophobic (meaning they are insoluble in water). Fats are also known as triglycerides, molecules made from the combination of one molecule of glycerol with three fatty acidsThe main purpose of fats in the body is to serve as a storage system and reserve supply of energy. During periods of low food consumption, fat reserves in the body can be mobilized and broken down to release energy. Fats serve as an insulation material to allow body heat to be conserved and fats line and protect delicate internal organs from physical damage. Fats in the diet can be converted to other lipids that serve as the main structural material in the membranes surrounding our cells. Fats are also used in the manufacture of some steroids and hormones that help regulate proper growth and maintenance of tissue in the body.Fats can be classified as either saturated or unsaturated depending on the structure of the long carbon-carbon chains in the fatty acids.Saturated Fats: Fats that contain no double bonds in their fatty acid chains are referred to as saturated fats. These fats tend to be solid at room temperature, such as butter or animal fat. The consumption of saturated fats carries some health risks in that they have been linked to arteriosclerosis (hardening of the arteries) and heart disease.Unsaturated Fats: Unsaturated fats contain some number of double bonds in their structure. These fats are generally liquid at room temperature (fats that are liquid at room temperature are referred to as oils). Unsaturated fats can be either polyunsaturated (many double bonds) or monounsaturated fats (one or few double bonds). Recent research suggests that the healthiest of the fats in the human diet are the monounsaturated fats, such as olive oil and canola oil, because they appear to be beneficial in the fight against heart disease.To learn more about fats refer:
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What type of consumer do you think this coyote is ? Can you tell from this photo that the coyote is not an omnivore
The coyote can be categorized as a tertiary consumers, the photo does not indicate that this animal is an omnivore.
What are consumers in an ecosystem?The consumers in the trophic chain are animals that cannot produce their own food and therefore they need to eat other organisms to survive. Coyotes are tertiary consumers because they eat other animals located at the third level, instead of plants as occurs with herbivores (the first level of consumers in the trophic chain).
Moreover, omnivores are animals that eat both plants and animals, but coyotes do not eat plants.
Therefore, we can conclude that coyotes are classified as tertiary consumers in the trophic chain and they are not omnivores because do not consume plants but only other animals that are present in the trophic chain.
The question is incomplete, below you will find the photo of this question.
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2) Breaking covalent bonds always requires the input of energy and forming them always releases
energy. The following table shows the bond energies of some covalent bonds, this is the amount
of energy required to break the bonds as well as the amount of energy released when the bonds
form. Use the information in the table to determine whether the reactions are endothermic or
exothermic. (The structural formulae might help with this, feel free to look these up online.)
a) CH4(g) +202(g) → CO2(g) + 2H2O (g)
ΔΗ =
b) CO(g) + 2H2(g) → CH3OH(1)
c) 2H2O(g) → 2H2(g) + O2(g)
-
d) 2H2(g) + O2(g) → 2H2O(g)
Bond
H-H
H-F
C-H
C-0
C=O
C-C
C-CI
Table 1 Average Bond Energies (kJ/mol)
Energy
432
565
413
ΔΗ =
ΔΗ –
358
1072
347
339
AH =
Bond
F-F
O-H
CI-CI
C-C
C=O
C-O (for CO₂(g))
0-0
Energy
154
467
239
614
745
799
495
Answer:
5
Explanation:
in a first attempt to describe the relationship between genes and phenotypes, beadle and tatum in the 1940s stated that each gene is a section of the genome that codes for a specific enzyme (one-gene-one-enzyme hypothesis). which more recent discoveries regarding gene expression are not covered by this hypothesis?
RNA- All living cells contain ribonucleic acid (abbreviated RNA), a nucleic acid with properties comparable to those of DNA. However, RNA is often single-stranded, unlike DNA. Instead of the deoxyribose present in DNA, the backbone of an RNA molecule is made up of consecutive phosphate groups as well as the sugar ribose.
Enzyme- A biological catalyst called an enzyme is usually always a protein. It accelerates a certain chemical process in the cell. The enzyme is continuously employed during the process and is not destroyed.
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Which is an effect of a compromised immune system?
The decreased antibody production is an effect of a compromised immune system, which may be harmful to the organism when it is invaded by pathogens.
What is a compromised immune system?A compromised immune system is when the organism is unable to fight against pathogens and harmful particles that enter into the body and may cause infection and or immune reactions. It has been proposed that one organism has a compromised immune system when it is infected several times each year.
Therefore, we can conclude that a compromised immune system is a weak immune system that is unable to face infections because it can not produce antibodies that recognize antigens in order to destroy them during normal immune responses.
Complete question:
Which is an effect of a compromised immune system?
A. decreased antibody production
B.improved ability to fight disease
C.increased lymphocyte production
D.reduction in pathogens entering the body
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13. what are the muscles of the quadriceps group and the hamstrings group? what are the antagonist actions of the quadriceps and the hamstrings? 1 pts enter your answer here
At the knee, the quadriceps femoris muscle group stiffens the leg. The quadriceps femoris muscle, which is used to flex the knee, is an enemy of the hamstrings.
What is the function of the 4 quadriceps muscles?Your quadriceps femoris, also known as your quad muscles, are a set of muscles on the front of your thigh. They are the largest group of muscles in your body collectively. Running, jumping, walking, and other actions all require the use of your quads.
Functions of the quadriceps and hamstrings :Together, your hamstrings and quadriceps move your leg. The quads relax and the hamstrings tighten when you bend your leg. On the other hand, when you straighten your leg, the hamstring muscles relax and the quads contract.
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Why does active transport require energy ?
Active transport requires energy to move materials against a concentration gradient.
The molecule has to go against the concentration gradient. Hence it requires energy.
Active transport requires the use of the cell's energy, usually in the form of adenosine triphosphate (ATP). If a substance moves into the cell against the concentration gradient, that is, if the concentration of the substance inside the cell must be greater than its concentration in the extracellular fluid, the cell must use energy to move the substance.
Some active transport mechanisms move small-moleculae-weight material, such as ions, through the membrane.
To move substances against a concentration or an electrochemical gradient, the cell must use energy.
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an investigator would like to study the relationship between the incidence of disease x and blood type. she would probably use the scientific method because she is unable to manipulate blood type. she will be (able, unable) to assert that having a certain blood type causes one to be more prone to disease x.
Answer:
correlational; unable
Explanation:
hope it helps
The investigator will be unable to assert that having a certain blood type causes one to be more prone to disease X.
The scientific method is a process of gathering evidence to test a hypothesis. In this case, the hypothesis would be that there is a relationship between blood type and disease X. The investigator would gather data by collecting information on the blood types of people with disease X and people without disease X. She would then analyze the data to see if there is a statistically significant difference in the blood types of the two groups.
If the investigator finds a statistically significant difference, she can conclude that there is a relationship between blood type and disease X. However, she cannot conclude that having a certain blood type causes one to be more prone to disease X. There could be other factors that explain the relationship, such as environmental factors or lifestyle choices.
The only way to definitively prove that having a certain blood type causes one to be more prone to disease X would be to conduct an experiment in which the investigator manipulates blood type. However, this is not possible, as blood type is a genetic trait that cannot be changed.
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Describe the three key steps of DNA replicationin your own words.Include whatoccurs, where in the cell it occurs and any enzymes that are involved for each step.
Explanation:
DNA replication starts in nucleus during the interphase portion in the cell.
The helicase first unzips the DNA strands into single strand.
Then, the Primase will tell then tell the DNA Polymerase to build the strands for the new strands of DNA.
Finally, the Ligase glues the two strand back together.
Think of something on planet earth that could be mistaken for a living organism. Explain how the 7 characteristics of life can prove that it is not living.
A car could be mistaken for a living organism but since it cannot on its move, respire, take in nutrients, respond to stimuli, grow, excrete, or reproduce, it is not a living thing.
What are living things?
Living things are those things that have life in them.
For anything to have life in it, it must possess the seven characteristics of life.
The seven characteristics of life are as follows:
movement - ability to move on its own, either parts or all of its body.respiration - ability to break down food to release energyNutrition - ability to take in food from the environmentIrritability - the ability to respond to changesgrowth - ability to increase in size and weightexcretion - ability to remove waste products of metabolismreproduction - ability to produce new ones of the same kind.Learn more about living things at: https://brainly.com/question/280237
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The kinesthetic system is the sensory system that involves ___________. a. the bones in the middle ear and inner ear b. information from the muscles and joints c. the sensory receptors in the vestibular sacs d. information from the olfactory cilia please select the best answer from the choices provided a b c d
Answer:
B. information from the muscles and joints.
The aragoss gel filters and what? The pieces of dna
Honestly, I think this would be really easy to look up and also I think you need to fix your grammar I had no idea what this question was asking.
when we say that a human is a dead end host for a parasite, we mean group of answer choices humans lack the correct anatomical structures for the parasite to exit the body. that the human isn't capable of being infected by the parasite. the human will die from the parasitic infection before being able to transmit it to another organism. the infected human is highly unlikely to transmit the infection to another organism.'
When we say that a human is a dead end host for a parasite, we mean (4) the infected human is highly unlikely to transmit the infection to another organism.
Parasite are the organisms that live inside the body (endoparasite) or on the surface of the body (ectoparasite) of a living organism called the host. These organisms extract their nutrition from the host and also in return cause harm to them.
Infection is condition where foreign invaders or pathogens enter the body of an organism and cause some illness or tissue damage. The general symptoms of infection are: redness, itching, fevers, sneezing, coughing, etc.
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PLS HELP, I DIDN'T KNOW THIS WAS DUE UNTIL I CHECKED-AND IM WORKING ON MY OTHER 5 HOMEWORK ASSIGNMENTS, SO I DONT HAVE TIME TO DO THIS!!! I just need the answers you don't need to go into full detail! I'LL GIVE BRAINLIEST!!!
A proton has a positive charge whereas a neutron is neutral.
An atom that has lost one or more electrons is an ion.
Isotopes of elements have different numbers of neutrons.
An electron located outside the nucleus of an atom; option A
The element that has nine protons is Fluorine.
The atomic number of an element is the number of protons in an atom's nucleus.
Properties of AtomsParts - atoms are composed of electrons, protons, and neutronsSizes - the size of electron = 2 × 10⁻¹⁰ cm; the size of proton = 0.84×10⁻¹³ cm; the size of neutron = 1.7×10⁻¹³ cmDifferences - atoms of different elements have proton numbers.Knowing the charge of an atom and the number of electrons it has can be used to determine the element because the charge tells how many electrons the atom has gained or lost and the number of electrons present can be used to determine the atomic number
The diameter of an atomic nucleus is about 0.0000000000000016 cm or 1.6 * 10⁻¹⁵ cm
The mass of a hydrogen atom is about 1.67 x 10⁻²⁷ kg or 0.00000000000000000000000000167 kg
What are the sub-atomic particles?The sub-atomic particles are:
electronsprotons andneutronsElectrons are negatively charged and are found outside the nucleus. They have negligible mass
Protons are positively charged and are found inside the nucleus. They have a mass of 1 amu.
Neutrons are neutral and are found inside the nucleus. They have a mass of 1 amu.
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do unbalanced forces have zero net force
Answer: No, unbalanced forces do not have zero net force.
Explanation: For there to be a zero net force, the forces have to cancel each other out, but if they’re uneven (with one being greater than the other), then the greater force will “dominate”. Imagine two people are pushing each other at the same time. If they’re pushing each other with the same force, neither will move, and that’s zero net force. But if one of them has a stronger push, then it would cause them to move in the direction the stronger person is pushing.
Which region of the brain is the one involved in processing emotional reactions and is found to be larger in individuals with large, complex social networks?.
The region of the brain is the one involved in processing emotional reactions and is found to be larger in individuals with large, complex social networks is The amygdala.
What is the role of the amygdala?The social networks of those with larger amygdalae were more extensive and also intricate. Face recognition as well as the ability for others to react properly to various emotional expressions are both functions of the amygdala.
The amygdala is typically believed to be the central component of a brain system for processing scary and frightful stimuli, including threat recognition and activation of appropriate fear-linked responses in response to dangerous or harsh stimuli.
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The diagram below shows parts of a plant cell.
Which organelle stores the information that determines an individual plant's leaf shape?
Organelle Function
Cell Membrane A double layer that supports and protects the cell. Allows materials in and out.
Lysosome Contains digestive enzymes that destroy damaged organelles and invaders.
Cytoplasm Jelly-like fluid that surrounds and protects the organelles.
Nucleus The control center of the cell. Contains the DNA
Nuclear Membrane Surrounds the nucleus.
Nucleolus A round structure in the nucleus that makes ribosomes.
Vacuole Stores food and water.
Golgi Body Processes and packages materials for the cell.
Mitochondria The “Powerhouse”. Breaks down food to produce energy in the form of ATP.
Rough E.R. Builds and transports substances through the cell. Has ribosomes on it.
Smooth E.R. Builds and transports substances through the cell. Does not have ribosomes.
Ribosome Helps make protein for the cell.
Cell Wall Gives shape and protection to plant cells.
Chloroplast Changes sunlight into sugar for plant cells. Contains a green pigment called chlorophyll.
organelle 1 is large vacuole, 2nd organelle is mitochondria, organelle 3 is nucleus and organelle 4 is cell wall.
What are the function of plant cell organelle ?Cell Membrane is a double layer made up of lipid and protein, small amount of carbohydrate which supports and protects the cell allow the substances enter and exit the cell.
Lysosome have some digestive enzymes which destroy damaged organelles and invaders, cytoplasm of the cell which is a jelly-like fluid that surrounds and protects all the cell organelles.
Nucleus is present at the Centre of the cell carry the genetic material in the DNA, Nuclear Membrane is the outer covering which Surrounds the nucleus, Nucleolus which is a round structure makes ribosomes, Vacuole Stores food and water.
Golgi Body of the cell can Process and packages materials for the cell whereas Mitochondria is the “Powerhouse” of the cell that involve in Breaks down food to produce energy in the form of ATP.
Rough E.R. makes and transports substances through the cell and Smooth E.R. does not have ribosomes; Ribosome make protein for the cell.
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PLEASE HELP TEST
Which activity is more likely to be the work of a research scientist rather than
an engineer?
A. Developing safer space suits to protect astronauts
B. Finding ways to use a 3D printer to make food packaging
OC. Creating materials to absorb thermal energy from fires
D. Using tools to measure radiation levels in space
The activity that is more likely to be the work of a research scientist rather than an engineer is finding ways to use a 3D printer to make food packaging. The correct option is A.
Who is a research scientist?Research scientists are in charge of designing, carrying out, and analyzing data from controlled laboratory-based investigations, experiments, and trials.
You could work for the government, environmental organizations, specialized research organizations, or universities.
To begin their careers, research scientists must have at least a bachelor's degree, though most fields strongly prefer, if not require, graduate-level degrees.
As per the above-mentioned information, the finding of ways to use printer can be done by research scientist.
Thus, the correct option is B.
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explain how an asteroid can cause mass extinctions. brief explanation Please
Answer:
When an asteroid hits very high-hydrocarbon areas, occupying 2.1% of the Earth's surface, it causes more severe cooling and resultes in mass extinction.
If f(x) = 3x and g(x)=x, which expression could be used to verify that g(x) is the inverse of f(x)?
A) 3x (x/3)
B) (1/3x) (3x)
C) 1/3 (3x)
D) 1/3 (1/3)
The 1/ 3(3x) formula could be used to confirm that g(x) is the inverse of f if f(x) = 3x and g(x) = 1/3x (x).
The correct option is C.
How do you explain inverse?The opposite of an operation is an inverse operation. They are the procedure that undoes the results of another procedure. For instance, multiplication is the inverse operation of division, and addition is the inverse operation of subtraction.
Briefing:We must determine the composition of such functions in order to determine whether two functions are inverse, that is:
f(g(x)) which results must be the variable x to be inverse functions
We know that f (x) = 3x; g(x) = 1/3x
Replacing on the composition:
f(g(x)) = 3(1/3x) = x
To prove that these functions are inverse, the expression C must be used.
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how can world view affect scientists
World view affects scientists affecting the way they think which creates a bias concerning different types of topics.
What is Research?This is defined as the careful manner in which certain topics are investigated so as to gain more knowledge and then reach a new conclusion through the use of scientific methods.
Examples of the scientific methods include experimentation, observation etc and is used by scientists which are influenced by world view sometimes. This is because of the different cultures and reasoning of individuals in which they believe in.
World view therefore affect scientists by creating a bias when the research is done as a result of the various types of methods and techniques used which may have certain effects on a cultural belief thereby making it the correct choice.
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What is a star? according to scientist
Answer:
A star is an astronomical object comprising a luminous spheroid of plasma held together by its gravity. The nearest star to Earth is the Sun. Many other stars are visible to the eye at night, but their immense distances from Earth make them appear as fixed points of light.
If a cell is placed in a hypertonic sodium chloride (salt) solution, which TWO actions will be the MOST LIKELY result from the cell attempting to maintain homeostasis?
Salt will move by osmosis out of the cell.
Water will move by osmosis out of the cell.
Salt will move by active transport out of the cell.
Water will move by active transport into the cell.
The cell will shrink (crenation) as water moves between the environments to reach equilibrium.
The two actions that will most likely result from the cell attempting to maintain homeostasis are as follows:
Salt will move by active transport out of the cellWater will move by active transport into the cellWhat is a hypertonic solution?A hypertonic solution is a solution having a greater osmotic pressure than another solution. In this case, a cell is said to be placed in a hypertonic sodium chloride solution.
This means that there is more salt (solute) in the extracellular solution than in the intracellular solution.
Naturally, this will induce the movement of water molecules from the cell into the extracellular solution causing the cell to eventually shrink.
However, to maintain homeostasis, the cell can make use of active transport, which is the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
The active transport will be used to move water into the cell and move salt out of the cell.
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which ONE OF YALL GOOD AT BIO PLS HELP
Answer:
The net effect of these steps is to convert light energy into chemical energy in the form of ATP and NADPH. The ATP and NADPH from the light-dependent reactions are used to make sugars in the next stage of photosynthesis, the Calvin cycle. The Calvin cycle is the cycle of chemical reactions where the carbon from the carbon cycle is fixed into sugars
In an experiment, two flasks of unknown, clear liquids are combined in a beaker and the following observations are made:
Solution color remains clear
The solution gave off a smell of sulfur.
Solution temperature changed from 10oC to 20oC.
Some of the liquid remained in the flasks.
Which of these statements indicate a new substance was formed? (HINT: there is more than one correct answer; select all correct answers)
Choose two options.
In an atomic power plant, where does the generator get its energy to operate?
1. directly from the reactor
2. from mechanical energy
3. from the steam turbine
4. from the electric power lines
5. from solar power
The generator get its energy from the steam turbine for the atomic power plant to operate.
What is atomic power plant and where does it get its energy from?Atomic power plant is a power plant which provides power supply and uses a lot of assets and chemical substances for operation.Atomic power plant uses the water core at the bottom level of the plant which is heated during the process.In the atomic power plant occurs a lot of nuclear fission which releases a lot of heat and then pumped into tubes insid a heat exchanger.The objective of atomic plants used to be to produce atomic energy from such large mass.And converting the atomic energy into usable power for the use.To know more about atomic power plant visit:
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What negatively affects both wolves and moose on isle royale
Answer:
Warming air temperatures
Explanation:
Hope this helps.
A student places four identical cells into four different liquids.
Which cells would take in water and swell?
cells X and Z
cells W and Y
cells X and Y
cells W and Z
In a scenario where four identical cells are placed in four different liquids then the cells which would take in water and swell are cells X and Y and is denoted as option C.
What is Osmosis?This is referred to as the movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to that of a higher solute concentration.
In a scenario where there is a decrease in the solvent molecules then it will be less salty and have a lower concentration of water which may make it shrink and is referred to as plasmolysis.
In cells in which there is an increase in the solvent molecules then it will be salty and have a higher concentration of water which is responsible for it swelling and is therefore the reason why cells X and Y was chosen as the correct choice.
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The full question is:
A student places four identical cells into four different liquids.
Cell Description of Liquid
W Saltier than the cellX Less salty than the cellY Higher concentration of water than the cellZ Lower concentration of water than the cellthe infraspinatus inserts on the of the humerus. the infraspinatus inserts on the of the humerus. lesser tubercle of the humerus acromial process of the scapula coranoid process of the scapula greater tubercle of the humerus
The infraspinatus inserts on the greater tubercle of the humerus of the humerus. The infraspinatus inserts on the of the humerus. Lesser tubercle of the humerus acromial process of the scapula coranoid process of the scapula greater tubercle of the humerus,
Humerus- A long bone called the humerus is situated in the right forearm, between both the shoulder and elbow joints. The glenohumeral joint is formed when the proximal humerus joins the shoulder through glenoid fossa in the scapula. At the elbow, its distal humerus articulates with the forearm's radius and ulna.
Coranoid- The upper the front and portion of the ulna have a triangular prominence that projects forward called the coronoid process. Its foundation is quite strong and runs the entire length of the bone. When the forearm bends, its pointed, somewhat upward-curving peak enters its coronoid fossa of a humerus.
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