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MariettaO [177]
3 years ago
15

Which type of precipitation may contain acidic pollutants?

Biology
1 answer:
SOVA2 [1]3 years ago
4 0
The answer is rain, snow, and sleet.
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The brain uses active transport to move ____ across the blood-brain barrier.
Varvara68 [4.7K]
<h3>the correct answer is glucose</h3>
3 0
3 years ago
Homeostasis is controlled by: (give examples of each)
kramer

Answer:

Homeostasis is controlled by the nervous and endocrine system in mammals

Explanation:

Nervous system when you touch a hot pan the nervouse system sends a message to move or feel pain

Endocrine system releases hormones into the bloodstrram that helps our growth and development,helps our organs work metabolism,and reproduction

Hope this helps!

8 0
2 years ago
A short handled tool used in loosening the soil around the plants.
Natali5045456 [20]
The answer is a trowel.

-Evidence—
•-A trowel is a small hand tool used for digging, applying, smoothing, or moving small amounts of viscous or particulate material. Common varieties include the masonry trowel, garden trowel, and float trowel.
5 0
2 years ago
1. A student conducted research about the roles of molecules in metabolic processes
Vlada [557]

Answer:

Enzyme- Peptidase/protease

Explanation:

According to this question, a student is conducting an experiment to determine the roles of molecules in metabolic processes such as digestion. Based on what she found out that the molecule, which itself can be broken down into amino acids, can also break down proteins into amino acids, this suggests that the molecule being described is a PROTEOLYTIC ENZYME.

This is because an enzyme is made up of proteins which can be denatured or broken down into its simplest unit (amino acids) and also, a substance that breaks down amino acid is said to be PROTEOLYTIC.

However, another observation that the molecule is found in high concentrations in the small intestine was made, hence, the enzyme is a PEPTIDASE OR PROTEASE, which are secreted into the small intestine by the pancreas to aid digestion of proteins.

5 0
2 years ago
1. Which of the following statements about proteins is incorrect?
velikii [3]

Answer: Option A.

Explanation: The correct answer to the question is option A, because not all proteins are made up of some combination of 20 essential amino acids.

3 0
3 years ago
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