Answer: scalar quantity
Explanation:
The answer you are looking for is scalar quantity. Hope this helps.
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[tex]\huge\red{\sf Question :}[/tex]
Describe in brief the various types of teeth in humans. Add a note on dental formula of man.
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8 incisors. 4 canines, also called cuspids. 8 premolars, also called bicuspids. 12 molars, including 4 wisdom teeth.
Human: deciduous teeth: 212/212; adult = 2123/2123. Both childhood molars are replaced by adult premolars. Adult total is double the formula = 32. Opossum: 5134/4134 (one less incisor on each side of the lower jaw).
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[tex]\huge\bold\red{Answer:-}[/tex]
The dental formula represents the arrangement of teeth in each half of the upper and the lower jaw. The entire formula is multiplied by two to represent the total number of teeth.
The dental formula for milk teeth in humans is:
[tex] \frac{2102}{2102} = 2[/tex]
Each half of the upper jaw and the lower jaw has 2 incisors, 1 canine, and 2 molars. Premolars are absent in milk teeth hence the zero.
The dental formula for permanent teeth in humans is:
[tex] \frac{2123}{2123} = 32[/tex]
Each half of the upper jaw and the lower jaw has 2 incisors, 1 canine, 2 premolars, and 3 molars. An adult human has 32 permanent teeth.
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘꜱ.❤Which two processes allow water to enter the atmosphere?
evaporation and transpiration
precipitation and condensation
condensation and evaporation
transpiration and precipitation
Answer:
its c) condensation and evaporation
Explanation:
Evaporation and transpiration are the two processes that allow water to enter the atmosphere. The correct option is A.
What is transpiration?Transpiration is the method by which water vapor is lost via the stomata of plants. When the weather is very hot, the plant's loss of water vapor cools it down, and water from the stem and roots moves upwards or is started to pull into the leaves.
The direct impact of transpiration is that it regulates plant temperature and provides water for photosynthesis. It also transports nutrients and sugars through the plant's vascular tissues.
Evaporation is a way of vaporization that occurs on the surface of a liquid as it transitions from the liquid phase to the gas phase.
Both of these process aids to enter water into the atmosphere.
Thus, the correct option is A.
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A scientist wants to test whether the pH, salinity, or temperature of seawater impacts coral
development. He sets up an experiment with three conditions:
Aquarium 1: Normal pH, normal salinity, normal temperature
Aquarium 2: High pH, high salinity, high temperature
Aquarium 3: Low pH, low salinity, low temperature
What factor would improve experimental design the most?
Eliminating Aquarium 1 since it only uses normal conditions
Testing one variable at a time and keeping the other two variables constant
Using one aquarium and changing the variables from day to day
Setting up the variables on a gradient in each aquarium
Answer: Testing one variable at a time and keeping the other two variables constant
Match the following examples to the correct type of bone marking. a shallow depression in the back of the knee joint openings in the cervical vertebrae through which the vertebral artery travels a depression on the skull that houses the frontal lobes of the brain a bony projection on the tibia, below the knee a hole created by bones of the pelvis
Answer:
1. Fossa....a shallow depression in the back of the knee joint
2.Foramen.....openings in the cervical vertebrae through which the vertebral artery travels
3. Fossa....a depression on the skull that houses the frontal lobes of the brain
4. Tubercle...a bony projection on the tibia, below the knee
5. Foramen....a hole created by bones of the pelvis
Diagram a motion graph of a bicycle that travels 80 meters in 16 seconds. What is the speed in meters/second?
Answer:
50
Explanation:
what does an antibiotic treat?
Answer:
Explanation:
Antibiotics are strong medicines that treat bacterial infections. Antibiotics won't treat viral infections because they can't kill viruses. You'll get better when the viral infection has run its course. Common illnesses caused by bacteria are urinary tract infections, strep throat, and some pneumonia.
Answer:
Antibiotics are strong medicines that treat bacterial infections.
Explanation:
QUESTION 2
When you exercise, you get warmer. Name the process that goes on inside all the cells of your body, resulting in the production of
heat.
Thermogenesis is the process which produces heat in the body.
Body temperature is increased with exercise because your body's muscle moves continuously. Thermogenesis is the process through which our body's muscles, organs, and brain produce heat. Our muscles produce heat by shivering.
Hormonal thermogenesis is the process through which thyroid gland releases hormones in order to increase metabolism. This increase in the metabolism produces heat in the body and rises the temperature in the body so we can conclude that through thermogenesis our body produces heat.
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In red shift the wavelengths of light become ?
What challenges cell biologists face in the 21st century?
Answer:
There are many types of challenges are faced by the scientists in 21st century. some are as given below:
Explanation:
1. Getting biodiversity. We're losing species at a disturbing rate, and we have to comprehend what the implications of that may be.
2. sustainable development. Like feasible agriculture, yet more broad sense. Discovering approaches to accommodate human needs while limiting the mischief we cause to the earth is urgent.
3. Everything about hereditary qualities. It's simply so much fun.
4. The most effective method to cut across political, social, and social limits and spur enormous and little scope activity to lessen biodiversity loss. This point may have a hefty sociology component, yet it's significant. All the natural and biological information on the planet won't make any difference on the off chance that we can't get individuals to follow up on it.
Explain how passive and active transport are similar and how they are different.
Answer:
Active transport moves molecules and ions from lower concentration to higher concentration with the help of energy in the form of ATP. On the other hand, passive transport moves molecules and ions from a higher concentration to lower concentration without any energy.
Explanation:
Answer:Active transport moves molecules and ions from lower concentration to higher concentration with the help of energy in the form of ATP. On the other hand, passive transport moves molecules and ions from a higher concentration to lower concentration without any energy.
Explanation:
Which of the following is the Earth's largest reservoir of carbon dioxide?
atmosphere
icebergs
oceans
O soil
While you were on safari, your friend got bit on the leg by a posionous snake and nearly died from excessive hemolysis. Being a true scientist, you captured the snake and analyzed its venom to understand why it caused hemolysis. You found thwo enzymes, a protease (breaks down proteins), and a phospholipase. He isolated each of these enzymes and treated red blood cells with them. He found that only phospholipase caused red blood cell lysis. He also found that, after treatment of red blood cells with the phospolipase, there was excess amounts of free phosphophorylcholine (Choline phosphate group) and free diacylglycerol (glycerol with two hydrocarbon tails). 1.) What is the substrate for phospholipase and where does it cleave
Answer:
Phospholipase is an enzyme, which is classified into phospholipase A2 and phospholipase A1.
In this case we are talking about phospholipase A2, that is why the sn-2 ester bond of glycerophospholipids will be taken as a substrate, giving fatty acids as a product, such as arachidonic acid.
Explanation:
The glycerophospholipids used by this enzyme are those found in cell membranes, these pathways are usually associated with inflammation pathways for the formation of arachidonic acid that functions as an immunological mediator.
On the other hand, it must be remembered that membrane phospholipids are amphipathic, that is, with hydrophilic and hydrophobic molecules and are responsible for balancing the internal homeostasis of the intracellular environment.
Which of the following is NOT a principle of the Cell Theory? *
A. Cells are the basic units of life.
B. All living things are made of cells.
C. Very few cells are able to reproduce.
D. All cells are produced from existing cells.
Answer:
C is not a principle of the Cell Theory.
Explanation:
Very few cells are able to reproduce is NOT a principle of the Cell Theory
what is cell theory ?Cell theory is widely accepted view of origin of life on Earth functions, all organisms are made of either single cells or a group of cell create tissues, organs, and organisms.
Three major hypothesis of cell theory are all organisms are made of cells, Second, cells are the building blocks in the creation of tissues, organs, and entire functioning organisms. The third is the cells can only arise from other cells or pre-existing cells.
Two scientists called Theodor Schwann and Matthias Jakob Schleiden first developed the cell theory in the year of 1839, along with Rudolf Virchow another scientist who contributed to the theory.
Schleiden explained that the structural part of a plant was made up of cells and a crystallization process either within other cells or from the outside cells. Theodor Schwann explained that the structures of animals are composed of cells.
The modern cell theory explained some postulates like All living things are composed of one or more cells, arise from pre-existing cells by cell division, fundamental unit of both structure and function in living organisms.
The activity of an organism is the activity of independent cells, Energy flow observed within cells, contain genetic material like DNA and RNA in cell nucleus and cytoplasm.
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How many extrinsic eye muscles control each eye in a cow?
O 12
06
O 5
O4
Answer:
Cows have 4 extrinsic eye muscles that control each eye in a cow. They can look up, down, left, and right, but they can't roll their eyes as you can.
what would happen if organisms did not have enzymes?
Explain how the bacteria and animals around the hydrothermal vents showed scientists that life was much more adaptable than they had believed.
Explanation:
Well, its extremely hot in the hydrothermal vents. Scientists simply believed it would be impossible for anything to survive due to the heat. Bacteria and micro-organisms were able to adapt to growing there, though. So in short words, they survived extreme conditions teaching scientists that life was quite adaptable.
Weird fun fact: In Switzerland it is illegal to own just one guinea pig. Felt the need to mention that ^ Sorry, I know it has nothing to do with the question but i felt it was worth speaking of.
Why do scientists classify organisms?
To more easily sequence their genetic material
To create scientific names that only scientists can learn
To have common names that everyone can remember
To organize them and speak about them accurately
Answer:
To organize them and speak about them accurately
Answer:
d
Explanation:
edge 2022
what molecule of carbon has the least energy?
By what factor (how much) does the milli- unit differ from the centi- unit?
earth science
Answer:
By a factor of 0.1.
Explanation:
Hello,
In this case, since the milli- unit has a factor 0.001 and the centi- unit a factor of 0.01 we can apply the following division in order to compute by what factor they actually differ from:
[tex]\frac{milli}{centi}= \frac{0.001}{0.01} =0.1[/tex]
It means that the milli- unit differ from the centi- unit by a factor of 0.1. Conversely, the centi- unit differ from the milli- unit by a factor of 10:
[tex]\frac{centi}{milli}= \frac{0.01}{0.001} =10[/tex]
Regards.
Which statement is false?Orthologs are homologs found in the same species.The function of a protein is a result of its amino acid sequence.Protein structure is commonly described at four levels.It is possible to change the amino acid sequence of a protein and have no effect on its functio
Answer:
The correct answer is "Orthologs are homologs found in the same species".
Explanation:
Orthologs, or orthologous genes, are defined as genes found in different species that evolved from a common ancestry. Therefore, It is false to affirm that orthologs are homologs found in the same species. Orthologous genes have the same function and often share common nucleotide sequences, however, they must be found in different species to be considered orthologs.
Question 6
How many
extrinsic eye muscles control each eye in a cow?
O 12
6
O 5
4
Answer:
12 jdjdjmrmrkkdmmuscles
Answer:
4
Explanation:
Cows have only four muscles that control their eyes. They can look up, down, left, and right, but they can't roll their eyes like you can.
organs in different animal locomotion
Answer:
cilia, legs, wings, arms, fins, or tails are sometimes referred to as locomotory organs or locomotory structures.
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Which of the following is not part of the circulatory system? Group of answer choices Heart lungs Blood Vessels Blood
Explanation:
Lungs is not a part of circulatory system as it is the part of respiratory system.
Certain kinds of shells are always found in rock layers lower than layers with plant fossils. Dinosaur fossils show up only in layers above or with plant fossils what does this tell you about When these organisms lived
Answer:
This shows that once animals were on the surface there were plants for them to eat.
Dinosaur fossils show up only in layers above or with plant fossils. This shows that dinosaurs were animals that lived with plants and feed on plants.
What are fossils?Fossils are the remains of plants, animals, and other substances that are preserved under the layers of rocks and earth. They are the preserved form that gives the knowledge of organism present in before times.
Dinosaurs lived 65 million years ago, but still, their bones and remains are found on earth. They were found with the fossils of plants, so this tells us that plants were also present at the time of their presence, and they fed on plants.
Thus, only strata above or in conjunction with plant fossils do dinosaur fossils appear. This demonstrates that dinosaurs were also plant-eating and lived with plants.
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Which statement describes the focus of an earthquake?
Answer:
B. It develops in the lithosphere.
Explanation:
the other person was right :)
Answer:
B
Explanation:
what is the relationship between gens , cromosomes, and DNA
Answer:
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.
What advantages do diatoms obtain from sexual reproduction?a. increased genetic variability.b. increased ability of populations to respond to environmental change.c. evolutionary potential.d. regeneration of maximal cell size for the species.d. all of the above.
Answer:
The correct answer is: option D. all of the above.
Explanation:
In sexual reproduction, two opposite gender gametes are fused together to form a zygote by the process called fertilization which forms the new organism that is genetically unique.
In diatoms, sexual reproduction caused various types of advantages such as higher or enhanced genetic variability as recombination occurs. It also helps the ability to responding to environmental change Increasing the population or species size and other.
Thus, the correct answer is: option D. all of the above.
The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane-bound carrier proteins is called The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane-bound carrier proteins is called
Answer:
Facilitated diffusion
Explanation
Generally when molecules undergo passive diffusion along their concentration gradient,and aided by the cell membrane which provide hydrophillic areas for the molecules to pass through,this is called facilitate the diffusion.The membrane would be impermeable to these molecules without the proteins,
It is a special transport mechanism for large molecular substances like glucose and Amino acids and ions e.g Na+ and K+.Therefore facilitated mean to aid,thus the membrane proteins aids or help molecules to pass through.
Channel protein and carrier proteins are the two type of protein involved in the transport.They are specific for each molecules,and would only allow the passage of one molecule or ion through.
Energy is not needed for this to occur place the molecules of glucose are moving along the concentration gradient.
Specifically channel proteins are fixed in shape,some are gated.They are water filled pores Carrier proteins are flexible and adjust their shape to the two media for transport.Thus if the concentration of substances to be transported i s higher on on side A of the cell membrane proteins,the carrier protein will be open to that side to convey the molecules across.
The amount of molecules transported depend on the amount of the carries and channel protein available.
. Name the cells that are produced by the testes and ovaries.
Answer and explanation:
In the female of the species the reproductive cells are the egg cells, and in the male the reproductive cells are the sperm. The male gonad, the testicle, produces sperm in the form of spermatozoa. The female gonad, the ovary, produces egg cells. Both of these gametes are haploid cells. The testes contain germ cells that differentiate into mature spermatozoa, supporting cells called Sertoli cells, and testosterone-producing cells called Leydig (interstitial) cells.
why is it harder for a mountain climber to breathe when they are the top of a tall mountain like mount everest
Answer:
Hmm.
Explanation:
Because the air gets thinner the higher the elevation (like on Mount Everest).
It is harder for a mountain climber to breath when they are thr top of a tall mountain because there is lack of oxygen in the high evalation like mount everest