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Ray Of Light [21]
2 years ago
15

Which statement best describes why half of an individual's genes come from each parent? a during mitosis the number of chromosom

es is reduced by half, creating haploid gamete cells. b during meiosis the number of chromosomes is reduced by half, creating diploid gamete cells. c during mitosis the number of chromosomes is reduced by half, creating diploid gamete cells. d during meiosis the number of chromosomes is reduced by half, creating haploid gamete cells?
Biology
1 answer:
Triss [41]2 years ago
4 0
D is the right answer .
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If a dna analysis reveals that a cell has 60 ng of adenine and 20 ng of cytosine, how much thymine and guanine are in the cell?
Serggg [28]

Answer:

Thymine= 60 ng

Guanine= 20 ng

The complementary base pairing occurs between adenine and thymine and guanine and cytosine bases.

Explanation:

According to the Chargaff rule, a double-helical DNA molecule has an equal number or equal amount of adenine and thymine bases since adenine always pairs with thymine. Similarly, the amount of guanine base is equal to that of the cytosine base.

Chargaff rule is based on the complementary base pairing between purine and pyrimidine bases. According to the given information, the amount of adenine is 60 ng. Therefore, the cell would have 60 ng thymine. Similarly, the amount of the cytosine base in the cell is 20 ng which means that the cell would have 20 ng of guanine base.

5 0
3 years ago
What happens to Earth when it is farthest from the sun?
Levart [38]

Answer:

slower

Explanation:

winter days shorter farther from the sun causes stuff

5 0
3 years ago
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Which of the following is not microscopic description of neurons:
AysviL [449]

Answer:

Star-shaped.

Explanation:

Neurons are the nerve cell that acts as the basic structural unit of the nervous system. Neurons helps in the transmission of nerve impulse and transmit the signal into different parts of the body.

There are basically four types of microscopic neuron : unipolar, bipolar, multipolar and pseuounipolar neuron. Star-shaped neurons are not found in the microscopic description of neuron.

Thus, the correct answer is option (a).  

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A country's knowledge assets are a type of_______
PSYCHO15rus [73]
I think the answer would be d
5 0
3 years ago
Pre-Test
Dmitry_Shevchenko [17]

Answer:

b. Nuclear energy is contained in nuclear bonds.

Explanation:

Nuclear energy is contained in nuclear bonds which is released when these bonds are broken. Nuclear energy is more efficient than other forms of energy because it produces more energy as compared to other sources of energy production. There are some special type of contained in which certain materials are used to control the flow of nuclear energy and also to contained it.

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3 years ago
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