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yarga [219]
3 years ago
11

What happens in humans? internal vs external

Biology
1 answer:
Maslowich3 years ago
5 0

Answer:

internal

Explanation:

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Suppose a polymerase chain reaction (PCR) amplification process begins with exactly one double-stranded template DNA. How many D
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Answer:

1. Number of DNA molecules after 30 Cycles of PCR = 1.02 x 10^9

2. No. of mutant DNA molecules = 1.07 x 10^9

Explanation:

1. You just have to take the exponential of 2 to the power of the number of PCR cycles (2^n)

2. All copies were normal at cycle 10 that are about 1024 copies. At cycle 11 single point error, all further copies are mutated.

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3 years ago
Which statement describes a similarity between meiosis and mitosis
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Mitosis produces 2 daughter cells which are genetically identical to the parent cell. Each daughter cell is diploid. A diploid means containing the normal amount of chromosomes. This is the result of DNA replication and 1 cell division. ... Meiosis is used to produce gametes which are sperm and egg cells, the cells of sexual reproduction.

They are similar because crossing over happens in both.  

6 0
3 years ago
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Why is dna smaller than rna?
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No it’s the other way around .

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7 0
2 years ago
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PS: PLEASE DO NOT PUT A LINK I AM NOT GOING TO OPEN THE LINK THAT IS IN THE ANSWER SECTION! THERE ARE 4 QUESTIONS.
k0ka [10]

Answer: 1. a. logistics model of growth

2. a. environmental conditions

3. b. all limiting factors

4. b. water availability

Explanation:

1. a. logistic model of growth will show the increase in population of a species in accordance with the carrying capacity exponentially but when the population will experience the scarcity of resources it will decline considerably.

Carrying capacity is the total number of members of the population of a species that an ecosystem can sustain by providing resources.

2. b. All environmental conditions which favor the survival of the living beings will contribute to the carrying capacity for example food, water, shelter, and other resources.

3. b. Limiting factor is the one which limit the chances of survival and growth of a particular species in an ecosystem. For example, scarcity of food, here food is the limiting factor.

4. d.  A density dependent limiting factor is the one which affects the population of the species based upon the density. The water availability is a density dependent limiting factor because the more the density or abundance of a population more will be the scarcity of water as it will be required by all organisms. So, the species population may experience decline due scarcity of water.

8 0
3 years ago
Which nacromolecules found within cells do not dissolve in water?
ANEK [815]
D. Lipids would be your answer
5 0
3 years ago
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