The body needs what in only small amounts, but these organic molecules are an important part in helping perform cellular reactions?

Answers

Answer 1
Answer:

Answer:

Vitamins

Explanation:

Vitamins are the organic compounds that are needed by body in small amounts. Most of the vitamins are not synthesized in human body and should be supplemented with food. Vitamins serve as coenzymes or part of coenzyme which are required for the activity of respective enzymes. Hence, vitamins an important part in helping perform cellular reactions.

Answer 2
Answer: Vitamins. They are needed in small amounts for chemical reactions in the body, and they are also organic.

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Unlike a scientific theory, a scientific hypothesis describes an observed pattern in nature without attempting to explain it true or false

Answers

Answer:

False

Explanation:

The hypotheses are conjectures, speculations, predictions about a certain phenomenon of nature and how it behaves. Hypotheses should be tested, which is usually accomplished through experiments.  

Theories are well-founded explanations for describing events occurring in nature. They involve hypotheses already thoroughly tested, facts and laws.

Unlike a scientific theory, a scientific hypothesis describes an observed pattern in nature without attempting to explain it true or false

This is false.

Freeze-thaw is an example of this.A. physical weathering
B. chemical weathering
C. biological weathering
D.all of these

Answers

A

This is because it freeze-thaw causes the rock to break down, mechanically.

Explanation:

When water precipitates, it enters the crevices of the rocks. When the water temperatures go below 4 degrees and even turn to ice, the water expands. This causes the supercooled water/ice to push against the walls of the crevices putting great stress on the rock hence increasing the size of the crevices. When water temperature rises the water contracts and stops putting stress on the rock also because it will be occupying less space in the crevices (partly because the crevice has also increased in size from the initial stress). When the crevice again fills with water (and note that this time it will fill with more water because the crevice is bigger), and the water cools to ice, it expands and puts stress, again, on the crevice growing it even larger. When this freeze-thaw continues over time, it ultimately will lead to the rock splitting apart along the crevice.

Learn More:

Learn more about rock weathering;

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Answer:

physical weathering

Explanation:

:)

How do you know that your pregnant? How long does it take to know if you are pregnant

Answers

well usually it takes a couple of weeks and u have to take a test to find out if ur pregnant

Answer:

6 days

Explanation:

It takes 6 days then it will show up on a test

(1) What transports oxygen through the body?(2) Which proteins catalyze chemical reaction?
‚Äč

Answers

Answer:

(1) Red Blood Cell

(2) Enzymes

Explanation:

(1) Oxygenated Red Blood cells transport oxygen from the lungs through the body using the arteries as a channel of movement to all organs.

(2) Enzymes are proteins that catalyze chemical reaction in the digestion of food so as to break food down into a form which can be absorbed by the body.

How does Newtons first law apply in wearing seat belts in a car wreck

Answers

The Car and The Wall. According to Newton's first law, an object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force. ... Any passengers in the car will also be decelerated to rest if they are strapped to the car by seat belts. hope this helps


You move forward and stay in motion until an unbalanced force.An unbalanced force is one that is not opposed by an equal and opposite force operating directly against the force intended to cause a change in the object's state of motion or rest. So, when you come to a stop, you wouldn't stop motion unless a force is caused to change your motion and put you at rest. If you were wearing a seat belt, the seat belt would act as the unbalanced force, it would stop you from being in motion.

Why is an energy required for the passenger molecule to be carried across the cell membrane by the carrier molecule

Answers

because energy is so powerful that it just carries along with it.

hope that helped.