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3 years ago

Science is best described as??

Biology

2 answers:

Mariulka [41]3 years ago

8 0

B sounds like the best option.

MAVERICK [17]3 years ago

5 0

Not sure, I would probably go with B) an information-gathering process

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The chemical bonds of carbohydrates and lipids have high potential energy because:

gladu [14]

<span>Their electrons are far away from the nuclei of the atoms. Transfer high-energy electrons from NADH and FADH2 to protein complexes of the electron transport chain. </span>

5 0

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

8 0

2 years ago

What is the composition of hair?

Katyanochek1 [597]

Answer:

The hair is made up of 95% keratin, a fibrous, helicoidal protein (shaped like a helix) that forms part of the skin and all its appendages (body hair, nails, etc.). Keratin is synthesized by keratinocytes and is insoluble in water, thus ensuring impermeability and protection for the hair.

Explanation:

4 0

3 years ago

Cells undergo differentiation during embryonic development. An individual skin cell develops differently from a muscle cell beca

Anni [7]

An individual skin cell develops differently from a muscle cell because the cells express different genes.
All the given cells present in the body, be it skin or muscle cells have the same DNA and the same set of genes. However, these cells are able to develop differently from each other due to the differential expression of their genes.
Differential expression of genes means that the different cells which perform different function although have the same set of genes, express different genes at different times and thus, look and function differently.
Skin and muscles cells also express a different set of genes and thus they develop differently from each other.

6 0

3 years ago

Which of the following bacteria is gram-negative?A) TreponemaB) CorynebacteriumC) BacillusD) StaphylococcusE) Mycobacterium

daser333 [38]

the answer is A)Treponema

7 0

2 years ago