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lesya692 [45]
3 years ago
8

Can some one help me plss ill give extra if right and u have to explan

Biology
1 answer:
bonufazy [111]3 years ago
8 0
1. It contains oxygen which we need to sustain life.
2. The ozone layer protects us from deadly UV rays.
3. The atmosphere makes up the water cycle which makes life sustainable for all living things.
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A blockage of the ducts from the parotid glands would
nasty-shy [4]

Answer:

interfere with carbohydrate digestion in the mouth..

Explanation:

A blockage of the ducts from the parotid glands would interfere with carbohydrate digestion in the mouth.

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3 years ago
When referring to cell division, oncogenes are most like ________ while tumor suppressor genes are most like ________. the brake
Inga [223]

Oncogenes are most like the gas pedal on a car, while tumor suppressor genes are most like the brakes on a car. Oncogenes and tumor suppressor genes are mutated in cancer cells.

Oncogenes are genes overexpressed in cells in which they should not be expressed, thereby leading to cancer.

Some examples of oncogenes are growth factors such as, for example, the  Platelet-derived growth factor (PDGF) or Epidermal growth factor (EGF).

Conversely, tumor suppressor genes are genes that act to regulate cell division and replication, thereby their inactivation also leads to cancer.

A well-known example of a tumor suppressor gene is the p53 gene that acts to control cell division and apoptosis (programmed cell death).

Learn more in:

brainly.com/question/14662375

5 0
2 years ago
If your blood sugar level is low from skipping lunch what reaction will occur in your liver cells
Vadim26 [7]
The answer is Glycogenolysis

When we are hungry or skipped a meal our  glucagon, <span>an hormones</span> that regulates blood-sugar levels, is released to avoid glucose levels in the blood to decrease to a risky value.

Glucagon makes the liver, but also the muscle, to breakdown accumulated glucose called glycogen into glucose to increase blood-sugar levels. This process is called Glycogenolysis and can also be  stimulated by an increase in epinephrine during  fight-or-flight responses.
8 0
3 years ago
Read 2 more answers
During Anaerobic respiration, cells make energy without:
LenKa [72]

During anaerobic respiration , cells make energy without <u>Oxygen</u>

the energy obtained during anaerobic respiration is 2 ATP

3 0
2 years ago
The concentration of carbon dioxide in the atmosphere has been gradually increasing for many years. How might this increase affe
Assoli18 [71]

Answer:

It will increase the rate of photosynthesis as there will be more carbon dioxide ... however there may be a limiting factor which will limit the rate to keep it constant... Such as the opening if the stomata to receive more CO2 which in turn causes loss of water by transpiration.

5 0
2 years ago
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