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Inessa [10]
3 years ago
7

The cell membrane helps to control what enters and leaves a cell. Which of these substances, which accounts for about two-thirds

of a cell's mass, is constantly moving in and out of the cell?
Biology
1 answer:
antoniya [11.8K]3 years ago
7 0

<span>There are other avenues to find the cure to diseases that do not involve exploiting fetuses.

</span>
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What is a simple definition of the noun "complex" in Biology?
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Explanation:

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When a boxer is hit in the head by a moving fist, what type pf concussion injury does this,?
mr Goodwill [35]

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6 0
3 years ago
In a plant called jimsonweed, flowers can be white or purple. A jimsonweed plant with white flowers is crossed with a jimsonweed
STALIN [3.7K]

<u>Answer:</u>

Although statements are not given in the question, we could make the most possible deduction as follows:

The allele for purple flowers is dominant whereas allele for white flowers is recessive.

<u>Explanation:</u>

According to the question,

  1. Purple flower plant was crossed with white flower plant.
  2. All offsprings have purple flowers.

Here we have one possibility that both parents were homozygous but in their own traits. <u>Purple flower</u> plants were "PP" and white <u>flower plants</u> were "pp" So, the <u>first progeny</u> (direct offsprings) would have "Pp". So, as per considerations, purple is dominant allele which will mask the recessive allele thus defining the color of all offsprings as purple. However, further cross of their generation will definitely end up into purple and white flowers (3:1) but this condition is not mentioned in the statement.

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A crayfish’s swimmerets are used only for swimming.<br> a. True<br> b. False
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