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Luba_88 [7]
3 years ago
9

Which feature of a membrane describes whether molecules can cross the

Biology
1 answer:
anyanavicka [17]3 years ago
5 0

Answer:

A

Explanation:

If it's a permeable membrane then it will allow certain molecules in. If it's impermeable then it won't allow molecules in. Therefore it is the deciding feature of whether something can go into the membrane.

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Plaque assays are often used to estimate the number of virions in a sample of a particular volume (the titer). The count is give
kherson [118]

Answer:

c) The largest problem is that single viruses may create multiple plaques, resulting in overestimates of the number of viruses present.

Explanation:

  • Plaque-based assays are the accepted method used for finding virus concentration in terms of infectious dose.
  • Viral plaque assays determine the number of plaque forming units (pfu) in a virus sample, which is one measure of virus quantity.
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3 years ago
In subduction what plate would be on top and what plate would be on the bottom?
Alex73 [517]

Answer:

oceanic plate would slide under the continental plate

Explanation:

continental is on top, oceanic on bottom

5 0
3 years ago
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A recessive allele inherited in a Mendelian manner causes the disease cystic fibrosis. A phenotypically normal man whose father
igor_vitrenko [27]

Answer:

The chance that the couple's first child will have cysitc fibrosis is equal to  0.005

Explanation:

The probability of man having cystic fibrosis is equal to 100 percent

The probability of his wife having cystic fibrosis is equal to  \frac{1}{50}

In case if both have them allele for cystic fibrosis, then the probability of their children having a child with cystic fibrosis

\frac{1}{4}

The chance that the couple's first child will have cysitc fibrosis is equal to

1* \frac{1}{50} *\frac{1}{4} \\= \frac{1}{200}\\= 0.005

8 0
3 years ago
Drawing a conclusion from an experiment means that a scientist
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Drawing a conclusion would be D rejects or confirms a hypothesis.
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After glycolysis occuers,the products may enter the krebs cycle.Which major products result from these reactions?
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The major products that result from the Krebs cycle are NADH,  FADH and ATP in that order.  

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