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muminat
3 years ago
5

Please help picture attached I give brainilest

Biology
1 answer:
LUCKY_DIMON [66]3 years ago
6 0
Liquid - A
Plasma - B
Solid - C
Gas - D
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Thermal pollution affects only fish. Please select the best answer from the choices provided T F
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False it affects everyone and anything. Global warming for example my friend :/
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2 years ago
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The PCR reaction mixture does not include: Group of answer choices DNA containing the sequence to be amplified. DNA ligase. all
Anit [1.1K]

Answer: DNA ligase.

Explanation:

Polymerase chain reaction is a technique used in molecular biology by scientists to make several copies of a DNA sample which enable them to take a smaller portions of it and expand it for more detailed study.

PCR mixture is premixed and contain thermostable DNA polymerase, oligonucleotides primer, four deoxynucleodide triphosphates, Magnesium chlorides, a propietary buffer.

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3 years ago
While mutation is random, natural selection is not. In your own words, explain how this is possible
alina1380 [7]

Answer:

Mutation is a alteration in the DNA sequence in a gene during cell divison iwhere gene is coded mitakeny or due to the error. Mutatio is a random process as it can not be determind or known befor bthechange in sequence what gene or DNA would be effected by it or what genes would be transfer from the parents.

Natural selection is a process where some of the traits that are helpful in the surviving and increasing the number of individuals in a population and transfer from one generation to other according the adaption and change over the long timeline. Thus, it is not random and based on the traits that are helpful in a environment or for the survival of  

3 0
2 years ago
Alkaptoneuria is a recessive genetic disorder found among North American populations at a frequency of about 1 in 500,000 births
Dafna11 [192]

Answer:

The correct answer is - 1/41,493

Explanation:

Let assume the frequency of the two possible same allele genotype (dominant and recessive) in an inbred population is p and q. Then the frequency of heterozygotes (H) is denoted as:

2pq + 2pqF.  ( where F is the inbreeding coefficient).

The frequency of the two different hoozygotes in inbred population can be calculated as:

p2 + pqF and q2 + pqF. (Where p and q are the allele frequency of the dominant and recessive phenotype.

Given: Frequency of Alkaptonuria (q 2) = 1:500, 000

=> q = 1/707

p = 706/707 ( Approx values)

solution:

Inbreeding coefficient (F) = 1/64

Therefore,

Frequency of Alkaptonuria in second cousins= q 2 + pqF

= 1/500, 000 + (706/707 x 1/707) x (1/64)

= 1/500, 000 + 1/45, 248

= 1/41,493 (approx)

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3 years ago
Which of the following is not associated with the renal corpuscle?
Black_prince [1.1K]
A vasa recta is not associated with the renal corpuscle, whereas a podocyte, a fenestrated capillary, and an efferent arteriole are.
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3 years ago
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