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Lorico [155]
3 years ago
11

Researchers can manipulate the genes of a mouse so that a single gene in a single tissue either produces an inactive protein (a

knockout mouse) or produces a protein that is always (constitutively) active. What effects on metabolism would you predict for mice with these genetic changes?
Biology
1 answer:
s2008m [1.1K]3 years ago
4 0

Answer:

1) The genetic changes can lead to a reduction in the capacity of the mice to move glycogen at its branches points and lowers blood glucose levels between meals.

2) Genetic changed can lead to a decrease in the capacity to lower blood glucose due to the knock out of the hexokinase gene leading to elevated levels in the bloodstream.

(c) A knockout of FBPase2 will result in elevated levels of fructose-2,6-bisphosphate in

liver favoring the glycolytic pathway and inhibiting gluconeogenesis by the decrease of fructose 1,6-

bisphosphatase-1 activity

(d) An active FBPase-2 will now favor gluconeogenesis and this inhibits glycolysis. I.e. a decrease in PFK-1 activity while increasing FBPase-1 activity simultaneously.

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Ethnic skin types contain ______ than caucasian skin types.
Setler [38]
People who have darker skin have more melanin which is a black or dark brown pigment in the skin. When we are out in the sun our skin produces more melanin, which helps our skin be more resistant in the sun. This is why we tan.
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3 years ago
Plants and animals that live in estuaries face a dilemma in maintaining water balance inside their cells. During high tide they
mote1985 [20]

Answer:

The correct answer is - a hypotonic solution as it can pass the cell wall and cell membrane into the cell.

Explanation:

The plant cell has a rigid cell wall that provides support to the plant cell that is not the case in the animals as they lack the cell wall. The low tidewater is an example of the hypotonic solution as it has fewer solutes than the plant cells or animal cells.

When a plant cell is in freshwater it takes up the water with the help of osmosis and begins to swell but the cell wall does not let it burst and become turgid.

Thus, the correct answer is - a hypotonic solution as it can pass the cell wall and cell membrane into the cell.

5 0
3 years ago
Which statement correctly describes a chemical reaction?
11111nata11111 [884]

Bonds between atoms break and new bonds form correctly describes a chemical reaction

<u>Explanation:</u>

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Chemical reactions need to be separated from physical alterations. The physical aspects of a thing will vary during physical conversion befalls, still the chemical identification will endure the equivalent. Chemical bonds are formed or split to formulate a unique molecule. Individual reactions often occur as part of a broader list of reactions.

7 0
3 years ago
Why was the spread of agriculture an important vent in human history?
MrMuchimi

It has given individuals with 1 of their most essential needs, a dependable supply of nourishment.

Glad to help ya!! :)

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14. Karim brings a chair from the backyard into his house and is going to stack it on top of another chair. Both chairs are the
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Answer:

(C.)

Explanation:

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