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Eddi Din [679]
3 years ago
8

Can someone please help?

Biology
1 answer:
Nadusha1986 [10]3 years ago
4 0
The answer you chose is correct becAuse if both parents are heterozygous for a disease that is recessive there is a 25%chance of the offspring inheriting the trait.Ex: R r R (RR) (Rr) r (Rr) (rr) rr is the only outcome that can inherit the disease.
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When neurons "fire," the first thing that happens is that sodium ions enter the cell. this does not require an input of energy.
Karo-lina-s [1.5K]

Answer;

One can infer that membrane transport proteins are required in order for neurons to fire.

Explanation;

Transport proteins are proteins that transport substances across biological membranes. Transport proteins are found within the membrane itself, where they form a channel, or a carrying mechanism, to allow their substrate to pass from one side to the other.

-Transport proteins transport materials such as; ions such as sodium and potassium; sugars such as glucose; proteins and messenger molecules; and many more. In neurons, they  play a fundamental role in the functioning of nerve cells. These transporters, a third class of membrane transport proteins, move a wide variety of ions and molecules across cell membranes.

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2 years ago
Does high tide happen at full moon?
ki77a [65]

Answer:

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4 0
3 years ago
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What is the primary change that happens to a human during the third trimester of gestation?
True [87]

Answer:

<em>The correct answer is C) The organs mature</em>

Explanation:

During the 3rd trimester, the baby continues with its development. Structures like the bones have completely formed but are soft. The baby is capable of opening and closing its eyes. During the 3rd trimester, the organs of the baby are fully mature and can carry out their own functions. By the end of the third- trimester, the baby turns in head- down position. Hence, the correct option is C.

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3 years ago
The formula for carbohydrates is CnH2nOn. Which statement accurately describes this general formula?
jenyasd209 [6]
Most likely it is C.
6 0
3 years ago
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