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Dominik [7]
3 years ago
5

Because the majority of cell differentiation occurs during the ____ phase, this is the time when exposure to teratogens can do t

he most damage.
Biology
1 answer:
Greeley [361]3 years ago
3 0
Because the majority of cell differentiation occurs during the EMBRYONIC phase, .................. The embryonic stage of pregnancy is the period after implantation during which all the important organs and structures in the growing fetus is formed. Tetratogens are factors that caused malformation of embryo. Exposure to tetratogens during embryonic stage cause most destructive damages.
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The process of diffusion of solvent particles from the region of less solute Concentration to a region of High solute Concentrat
pogonyaev

Answer:

The process of diffusion of solvent particles from the region of less solute Concentration to a region of High solute Concentration through semi-permeable Membrane is known as (osmosis)

3 0
3 years ago
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The frequency of sickle-cell anemia, an autosomal recessive condition, is 0.007. Assuming that the population is in H-W equilibr
damaskus [11]

Answer:

The correct answer is - 0.084

Explanation:

Sickle cell anemia is a autsmal recessive blood disorder of RBCs where RBC shape altered to the sickle shape or cresecent moon that obstruct and damage the veins and artries.

Normal allele is represented by - HbA - p

sickel cell allele is represented by - HbS - q

genotype frequency of normal allele HbA in the population = p2

genptype frequency of HbAHbS in the population = 2pq

genotype frequency of autosomal recessive HbS = q2 = 0.007 (given)

So, the allelic frequency of the recessive allele =

q =  √ 0.007 = 0.08366 or 0.084

5 0
3 years ago
Place the particular characteristic into the correct corresponding type of dna replication. each characteristic may be used once
torisob [31]

Answer:

This is the remaining incomplete part of the question.

Requires separation of template strand Uses helicase Occurs during interphase of cell cycle Require primers Occurs in nucleus Requires dNTPs Produces Okazaki fragments Requires DNA polymerase Requires Primase Requires Taq DNA polymerase Requires cycles of heating Occurs in cytoplasm Occurs during anaphase of mitosis

Explanation:

Cellular DNA replication                            Polymerase chain reaction

Requires separation of template            Requires separation of template

strand                                                       strand

Requires dNTPs                                       Requires dNTPs

Uses helicase                                           Requires cycles of heating

Requires Primase                                     Require primers

Requires DNA polymerase                      Requires Taq DNA polymerase

Occurs during interphase of cell cycle  

Occurs in nucleus                                    Occurs in test tube

Produces Okazaki fragments

6 0
3 years ago
Conception is the moment a sperm meets an egg resulting in pregnancy. <br> a. True<br> b. False
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A. True
Conception is basically the action of conceiving a child.
In conclusion, when a sperm meets an egg, the egg gets fertilized leading to pregnancy.
8 0
4 years ago
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What area of the brain associated with attention and concentration is completely myelinated by the time a child is about 5 years
dusya [7]
Corpus callosum is the answer



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3 years ago
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