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devlian [24]
3 years ago
5

What proteins are crucial for creating and maintaining DNA replication forks? Choose the best explanation.

Biology
2 answers:
timurjin [86]3 years ago
7 0

Answer:

Explanation:

The correct answer is (B) Helicase creates the replication fork; single-strand binding proteins keep the single strands from reuniting. The replication fork is established by the enzyme DNA helicase, which separates the two complementary strands of a DNA molecule

Allushta [10]3 years ago
3 0

Answer:

Helicase creates the replication fork; single-strand binding proteins keep the single strands from reuniting.

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Female sex cells are called what
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The female sex cells are called the egg and Male sex cells are called the sperm. Hop this helped.
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Which cell components are responsible for giving the cell its shape and support?
IgorLugansk [536]

Answer: Cytoskeleton and cytoplasm

The cytoskeleton is a network of microfilaments that provide structure and support for the cell. You can think of them as the pillars/columns that hold up a house.

The cytoplasm is the aqueous fluid that fills the inside of the cell. This fluid is very important for giving a cell is shape/support. If the cytoplasm was drained out of a cell its shape would collapse like a water balloon losing its water.

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4 years ago
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Semen creates a(n)__________ environment for sperm to safely travel through both the male and female reproductive tracts.
Assoli18 [71]

Semen creates a(n)<u>alkaline </u>environment for sperm to safely travel through both the male and female reproductive tracts.

In the field of biology, semen can be described as a white, slippery fluid that is released from the male reproductory organ. Semen is also referred to as the seminal fluid.

The semen of males carries the sperm cells which are required for the fertilization of the female egg. The conditions should be favorable for the process of fertilization to occur.

The natural atmosphere of the vagina of a female is acidic in nature. The sperms need a neutral environment for survival. Hence, the semen is produced alkaline in nature to prolong the lifetime of sperm cells. The alkalinity of the semen neutralizes the acidity of the vagina.

To learn more about semen, click here:

brainly.com/question/1385472

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8 0
1 year ago
The body produces antibodies complementary to foreign antigens. The process by which the body comes up with the correct antibodi
lys-0071 [83]

The question is incomplete as it does not have the options which are:

  • going to a tailor and having a suit made to fit you
  • selecting a lottery prize-winner by means of a random drawing
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Answer:

Going to a shoe store and trying on shoes until you find a pair that fits

Explanation:

Antibodies are the immunoglobulin molecules secreted by the B cells which help the body providing the immunity as they interact with the antigen and help immune system to produce a response.

The variety of the B cells are produced by the body in response to different antigens which produce different type of antibodies. This interaction of antigen and antibodies is known as the complementation and just appear like if you are going to a shop to buys a pair of shoes and tries different shoes  to find the best shoe of best size.

Thus, the selected option is correct.

4 0
3 years ago
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