BIOLOGY HIGH SCHOOL

Bone marrow produces _____________
Enzymes
Insulin
Red and White blood cells

Answers

Answer 1
Answer: Red and White blood cells:

These are produced by the stem cells in the bone marrow. There are two types of stem cells for producing white blood cells - Myeloid stem cells (producing phagocytes such as neutrophils and monocytes - the undeveloped version of macrophages) and Lymphoid stem cells (responsible for production of lymphocytes such as B and T cells).

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Which type of bacteria causes tetanus?
If animal cells contained chlorophyll, how would animal life be different?
Why is diffusion and osmosis important to the cell
Body composition has little to do with cardiorespiratory fitness. True or Faulse.
This diagram shows a lunar eclipse. During a lunar eclipse, the Earth isA) behind the Sun and the Moon. B) in between the Sun and the Moon. C) in front of the Sun and the Moon. D) next to the Sun but not the Moon.

What are peanuts considered?, grains, meats?

Answers

they are considered as nuts
peanuts are considered as a type of grain in the nut grouping

If a new species of honeycreeper were discovered, and it had a short, straight beak, which bird in this puzzle would likely be its closest living relative?

Answers

Answer:

The bird species that share the closest phenotypic characteristics are likely closest relatives.

Explanation:

Evolution theory states that species evolve gradually trough mutations (many of them are neutral), thereby those honeycreeper populations closest are more likely to share phenotypic features with each other.

Answer:

Po'oull

Explanation:

Which is an example of reverse polarity?a. Earth's magnetic field lines up in the same direction as the present magnetic field.
b. The south magnetic pole lines up with the present south magnetic pole.
c. Earth's magnetic field lines up in a direction opposite of the present magnetic field.
d. The north magnetic pole is aligned with the present north magnetic pole.

Answers

Answer:

The Answer Is C

Explanation:

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Answer: its C cuh

Explanation: im always right

how does the manipulation of an independent variable during a scientific experiment allow a scientistto find a cause and effect relationship between the variables

Answers

The manipulation of an independent variable during a scientific experiment allows a scientist to find a cause and effect relationship between variables.This is because the manipulation changes the results and measurements.

Which animal will have more parental care?A. frog
B. toad
C. penguin
D. snake

Answers

C- Penguin because, snakes are on their own ones they hatch, frogs also don't have any parental care and a toad is basically a frog so. Penguins need the warmth from their parents while they are in the egg and even when they hatch.
i think that it is c penguin  lol hope it helps

what does mechanical digestion in the stomach involve ? ( 1point ) A. absorption of nutrients by villi B. pepsin and bile C. smooth muscle contractions D. bile and pancreatic fluid

Answers

The mechanical digestion in the stomach involves the contractions of muscle smoothly. Thus, the correct answer is C.

What is digestion?

The process of converting food into nutrients to use it as energy and for development is called as digestion. The digestion takes place mechanically and chemically.

In the chemical process of digestion, food is broken down with the help of enzymes whereas in the mechanical process of digestion food is broken down with the help of chewing from teeth or tearing.

Therefore, option C is correct as this breakdown through teeth involves contractions and relaxation of muscles.

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Final answer:

Mechanical digestion in the stomach involves the physical breakdown of food through smooth muscle contractions, which churns and mixes the food, preparing it for further chemical digestion.

Explanation:

Mechanical digestion in the stomach involves the breaking down of food into smaller bits using physical force. This process includes the smooth muscle contractions of the stomach to churn the food. This mechanical churning of food in the stomach serves to further break it apart and expose more of its surface area to digestive juices, creating an acidic soup called chyme.

These contractions isolate small sections of the stomach, moving the contents back and forth while continuously subdividing, breaking up, and mixing the contents. By moving food back and forth in the stomach, mechanical digestion mixes food with digestive juices and facilitates the further process of chemical digestion.

Learn more about Mechanical Digestion here:

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When you squeeze lime juice onto sliced avocado or drip orange juice over your sliced apples, you are using citric acid as a competitive inhibitor to prevent oxygen from binding to the active site of polyphenol oxidase (PPO), the enzyme that causes fruit to turn brown.Which model best shows this inhibition?