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taurus [48]
3 years ago
9

Under which of these conditions would scientists use the polymerase chain reaction (PCR) before they analyze a DNA sample?

Biology
1 answer:
rusak2 [61]3 years ago
4 0

Answer: C

Explanation:

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Organelles such as ______________________ and ________________________ process<br> energy.
worty [1.4K]

Answer:

mitochondria and chloroplast

Explanation:

Mitochondria : generates energy

Chloroplast : converts energy from solar energy to chemical energy in form of ATP

7 0
2 years ago
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What is probability, and how is it used with Punnett squares to predict the outcomes of genetic crosses?
weeeeeb [17]

Answer:

Probability is the chance that a given event will occur. The principle of probability allows us to predict the possible combinations of phenotypes in a genetic cross by using a diagram called Punnett squares. This diagram represents alleles and gives us the genetic variations formed during a cross. For example, a flower has one dominant allele for a blue color, which is represented by capital T, and one recessive allele for a pink color, which is represented by small t. When this flower is crossed with another flowering plant with the same type of alleles, which is Tt, the combinations produced for their offspring includes TT, Tt, tT, and tt.

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3 0
2 years ago
The navel is located in the ________ region of the abdominopelvic cavity.
Sholpan [36]

The abdominopelvic is composed of the abdominal cavity and the pelvic cavity. This cavity contains the organs such as liver, stomach, spleen, gallbladder, pancreas, kidney and most of the intestines along with the internal reproductive organs and urinary tract. The navel is located in the umbilical region of the abdominopelvic cavity.

Hence, the blank can be filled with 'umbilical region'.

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3 years ago
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7 0
3 years ago
According to the opponent color theory, the perception of color is based on the output of _______ cones, each of them an opponen
antoniya [11.8K]
<h2>1. Three cones</h2><h2>2. Two colors</h2>

Explanation:

  • The opponent process theroy of color vision recommends that our capacity to perceive color is constrained by three receptor complexes with contradicting or opposing activities.
  • These three receptor complexes are as follows:
  • Dark white complex.
  • Blue-yellow complex.
  • Red-green complex.
  • You don't see greenish-red because according to the opponent process theory, the opponent cells can just identify each of these colors at a time.

7 0
3 years ago
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