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3 years ago

Describe the structure and function of the plasma membrane and its membrane proteins

Biology

1 answer:

lions [1.4K]3 years ago

8 0

Plasma cells into biological mechanism

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How did cyanobacteria affect Earth's early atmosphere?

hammer [34]

Answer:

The correct answer is option - C. They replaced carbon dioxide with oxygen in the atmosphere.

Explanation:

Cyanobacteria or Blue-green algae is a group of bacteria that is making its own food using water and carbon dioxide in the presence of sunlight, the process of photosynthesis

These organisms release oxygen as a byproduct of photosynthesis in the atmosphere. Through this process, these organisms replaced carbon dioxide with oxygen in the atmosphere in the early earth.

Thus, the correct answer is option C. They replaced carbon dioxide with oxygen in the atmosphere.

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3 years ago

Which of these best describes the process by which these organisms<br> obtain energy ?

katrin [286]

I think its anaerobic respiration

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3 years ago

When blood glucose is low, the pancreas releases glucagon, a peptide hormone which stimulates the liver to produce and excrete g

kipiarov [429]

Answer:

the questionnaire is incomplete, the graph with the options is attached

Explanation:

Glucagon increases:

Adenyl ciclase

Proteinquinase A

Fructose 2,6 biphosfatase

3’5’ cyclic AMP

Phosphorylase b kynase

Glycogen syntetase kinase

Glucagon decreases

Phosphofructokinase 2

Fructose -2,6- biphosphate

Glucagon stimulation decreases followay phatway enzimes

Phosphofructokinase 1

Piruvate kinase

Glycogen syntetase

3. Glucagon stimulates following phathways

Decreases glucolysis

Increases gluconeogenesis

Increases glycogenolysis

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3 years ago

Scientists working in the fields of both genetics and archaeology have made discoveries that help us understand the origin of ma

Damm [24]

I think the answer in this is c because it shows how the scientist worked in feilds

4 0

3 years ago

____ secrete enzymes which break down dead organic matter into smaller molecules that can be absorbed.

sveta [45]

Dinosaurs divided by chickens = xy to the tenth power making that equal 4y * 7x -3
x= -1
don’t use this i’m just depressed

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3 years ago