can you please help me?
also this is for IPC (Integrated Physics and Chemistry so i just put biology i hope that's okay)
Answers
All living things use matter and energy which is the ability to cause change. Some autotrophs take in light and organic matter. They use energy and inorganic (no carbon) matter to make food matter for their life processes. Heterotrophs are organisms that consume plants which contain organic (with carbon) matter. These organisms use the organic matter to obtain energy and the building blocks for making their cells.
What are autotrophs?An autotroph also called a primary producer is an organism that produces complex organic compounds using carbon from simple substances such as carbon dioxide, generally using energy from light or inorganic chemical reactions.
Autotrophs are extremely important because without them, no other forms of life can exist.
There are two types of autotrophs and they include
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Related Questions
Why does active transport require energy ?
Answers
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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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.
Answers
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.
Mutations are alterations to a dna sequence. they can cause diseases and conditions, but they are also tools in evolution because they provide new variations in the genetic pool. list and briefly describe the two processes that lead to variation in offspring with the same parents that are not a result of mistakes in the dna.
Answers
The two processes that lead to variation in offspring with the same parents that are not a result of mistakes in the dna are:
i) crossing over ii) random fertilization
The exchange of genetic material between non-sister chromatids of homologous chromosomes, or crossing-over, takes place during prophase I. Remember that homologous chromosomes align in pairs, gene for gene down their whole length, generating a configuration with four chromatids known as a tetrad during prophase I. The chromatids are now very close to one another, and some material from two chromatids switches chromosomes, or breaks off and reattaches to the homologous chromosome at the same location. Within the same pair of homologous chromosomes, this genetic material exchange can take place numerous times, resulting in different gene combinations. The term "recombination" also applies to this procedure.
Genetic diversity is endlessly possible as a result of sexual reproduction. In other words, sexual reproduction produces genetically distinct offspring. Two gametes combine during sexual reproduction to create an offspring. But out of the millions of potential gametes, which two will it be? This is probably just a matter of luck. It is without a doubt another source of genetic diversity in progeny. This practice is called random fertilization. produces genetic variation with endless potential. In other words, sexual reproduction produces genetically distinct offspring. They are different from one another as well as from their parents. There are several reasons why this happens.
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do unbalanced forces have zero net force
Answers
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.
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.
Answers
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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Which is an effect of a compromised immune system?
Answers
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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what are the answers to these pleaseeee help
Answers
Answer:
1. Energy cannot be CREATED or DESTROYED
2. Energy can be CONVERTED into different types of energy (mechanical, chemical, etc.)
Producers make their own food or own energy
A food chain shows energy transfer between organisms
Amount of energy DECREASES as you move up the pyramid
Only 10% of the energy is passed
Explanation:
i'm in bio and this i was just learning
and producers make their own energy
consumers take energy from others
The diagram below shows parts of a plant cell.
Which organelle stores the information that determines an individual plant's leaf shape?
Answers
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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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)
Answers
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
Answers
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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13. Which organelle contains genetic information and controls most cell activities?
a. Nucleus
b.) Cell membrane
C. Vacuole
d. Endoplasmic reticulum
14 Most of th
deyz no
nagyon
Answers
Answer:a)Nucleus
Explanation: Nucleus of the cell contain chromosomes which have the genetic information and is responsible for most of the cell activities. The nucleus performs cell division which requires replication of the genetic material present in the chromosomes of the nucleus.
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.
Answers
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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using 250 words discuss how individual’s health behaviors are impacting our society, and Give your solutions on how we can or should address this obesity issue in our nation.
this is supposed to be about obesity and being overweight
Answers
Individuals’ health behaviors greatly impact our society because good health behaviors lead to less number of diseases and deaths in society.
How does individual behavior impact health?Behavior modification can contribute to self-control, and enhance health behaviors. Risky behaviors can be eliminated due to physical exercise, controlling weight, good nutrition, or accident prevention. Health behaviors are the actions that affected the health of an individual. They can lead to improved overall health i.e. eating well and have to physically active, and also performing actions that increase the risk of disease including smoking, alcohol intake, and sexual behavior. Positive healthy behaviors can also reduce the risk of losing mobility and independence in life. It also shows that lifestyle behavior is different in different ages which affected the overall health of an individual as well as decreases the life of an individual.
So we can conclude that individual health behaviors greatly affected our society by reducing death rates and health issues.
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how can world view affect scientists
Answers
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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which ONE OF YALL GOOD AT BIO PLS HELP
Answers
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
What type of consumer do you think this coyote is ? Can you tell from this photo that the coyote is not an omnivore
Answers
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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What is a star? according to scientist
Answers
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.
4. Use what you know about genetic diversity and species diversity to decide which
is the analysis of a single species and which is the analysis of more than one
species. Explain.
Answers
Genetic diversity is the analysis of variations in a single species and Species diversity is all the differences between different populations of species which means it is valid for more than one species.
What is Genetic diversity?The entire number of genetic features that make up a species' genetic makeup is referred to as genetic diversity. It can be related to a species' longevity and varies widely based on the number of species present as well as across species.
What is Specifies diversity?Species diversity is the range of species found in a certain community. In order to achieve the same mean proportional species abundance as that seen in the relevant dataset, a certain number of equally abundant species must exist.
Difference between Genetic and Species diversityGenetic diversity and species diversity are fundamentally different from one another because genetic diversity refers to DNA variations among members of the same species, whereas species diversity refers to the number of species in a region. Ecological diversity is the range of ecosystems present in a region.
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do elements form chemical compounds to become more or less stable
Answers
What negatively affects both wolves and moose on isle royale
Answers
Answer:
Warming air temperatures
Explanation:
Hope this helps.
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
Answers
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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when na⁺ diffuses into the cell, the cell becomes more depolarized. na diffusing into the cell causes more na gates to open, which is a positive feedback loop.
Answers
The cell becomes more depolarized when Na+ diffuses into the cell, this a positive feedback loop.
The membrane potential depolarizes when it gets less negative (more positive). Depolarization may result from the opening of channels that allow positive ions to enter the cell. An illustration would be the opening of Na+ entry channels in cells. Potential for action A sufficiently substantial depolarization event, possibly brought on by several concurrent depolarizing inputs, can result in the generation of an action potential. In contrast to a graded potential, an action potential is an all-or-nothing event: whether it happens or not, it will always be the same magnitude. When a depolarization causes the membrane voltage to rise beyond a threshold level, an action potential is initiated. The voltage-gated Na+ channels in the membrane open at this threshold, allowing a flood of sodium ions to enter the cell. The quick increase in membrane potential caused by the influx of sodium ions triggers a positive feedback cycle that is powered by the voltage-dependent activation of the Na+ conductance.
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which reproductive strategy is described below?
This type of reproductive strategy involves large specialist with few offspring and a large amount of parental care. These organisms are also more likely to become endangered.
K-selected
r-selected
Answers
K-selected type of reproductive strategy involves large specialist with few offspring and a large amount of parental care. These organisms are also more likely to become endangered.
K-selected Species- Population fluctuations for K-selected species are often close to a carrying capacity of a habitat. These animals are distinguished by producing few young while providing extensive parental care. Bison, elephants, and people all are k-selected species.
Endangered Species- Animals that are in risk of going extinct because their numbers are declining are referred to as endangered species. Examples include the Indian elephant, Blue whale, Flying squirrel, Red sandalwood, Nannari, Pitcher plant, and Bengal tiger.
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Integral proteins are also called _______ proteins
Answers
Answer:
Transmembrane proteins!!!
Explanation:
The time lapse image below shows the path of the moon throughout one night. What is this event called? Drag and drop the best answer
into the white box.
DRAG & DROP THE ANSWER
moon cycle
solar eclipse
moon phase
lunar eclipses
Answers
Answer:
lunar eclipse
Explanation:
Lunar eclipses happen when Earth positions itself between the sun and the moon, casting a shadow across the lunar surface.
Injecting a potassium solution into a person’s blood is lethal. This is how capital punishment and euthanasia subjects die. Why do you think a potassium solution injection is lethal?.
Answers
Answer:
Can stop heart due to irregular heartbeat
Explanation:
Potassium will increase the blood and cardiac concentration of potassium to stop the heart via abnormal herats the leading to cardiac arrest.
13. Freud believed that selfish needs reside in which level of consciousness?
A. Conscious level
B. Animus
C. Eros
D. Unconscious level
Answers
Freud believed that selfish needs reside in option D. Unconscious level.
What three levels of consciousness did Freud propose?Famous psychologist Sigmund Freud argued that competing psychological forces that operate at the:
The preconsciousThe consciousThe unconsciousThey are all the levels of consciousness that are constantly and uniquely interact to produce behavior and personality.
The characteristics of the Unconscious level are:
Selfish needsIrrational wishesImmoral urges, fearsViolent motivesUnacceptable desires, and others.Learn more about Freud from
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Answer: unconscious level
Explanation:
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
Answers
Answer:
5
Explanation:
How do these two examples contribute to the protection of endangered species?
Answers
Wildlife and forensic genetics contribute to the protection of endangered species by ensuring that plants and animals aren't caught and transported illegally and the fingerprinting ensures the organisms are adequately monitored.
What is Endangered species?This refers to the type of organism which has a high risk or chance of becoming extinct in the nearest future as a result of some factors such as over exploitation, habitat destruction etc.
The use of wildlife and forensic genetics ensure that the DNA is gotten from organisms and several investigations and amplifications are done so as to get their origin and the areas in which they are natives of.
This act helps to control the illegal movement of some species to other parts for various purposes such as finances, aesthetics etc. This could lead to over exploitation and endangering of the species which helps to curb it.
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The question link is Read this article, and then briefly describe two specific examples of the use of DNA fingerprinting in wildlife conservation. How do these two examples contribute to the protection of endangered species? https://news.arizona.edu/story/saving-wildlife-with-forensic-genetics
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.'
Answers
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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