The correct answer is: E) cleavage furrow formation and cytokinesis
Cytochalasin B (cytos-cell and chalasis-relaxation) is a molecule which inhibit network formation by actin filaments by blocking monomer addition. As a result, itshortens actin filaments. This molecule is involved in cytoplasmic division where it blocks the formation of contractile microfilaments. One of the microfilament’s function includes cytokinesis and formation of cleavage furrow so these functions are affected by cytochalasin B.
Answer:
1. A block start in 50M freestyle:ATP-CP
2. An all day walkathon - Fats
3. A marathon- carbohydrates and ATP-CP
4. A soccer match - carbohydrates and fats
5. A 5KM run - carbohydrates
Explanation:
Creatine phosphate, CP is a small source of energy which depletes ver fast but is backed up by ATP storage. This is why they are used in very low exercises that is, it can be resynthesized to ATP by the enzyme creatine kinase to replenish depleted ATP levels.
But the major sources of energy during exercise are carbohydrates and fats.
During the medium to low intensity exercise, the bulk of energy required by the muscle is provided by oxidation of fatty acids while for high intensity exercises, carbohydrates are needed so as to be broken down to give glycogen with the generation of ATP.
The myometrium is our correct answer. it is the middle muscular component of the uterine wall and it is not shed during menstruation. the endometrium is the inner mucosal coat of the uterus. it exhibits many characteristic changes during the menstrual cycle and all but its stratum basalis is shed during menstruation.
The richer scale hope it helps
Given the characteristics of hereditary genetics, if a person is heterozygous for a given allele, of the four daughter cells produced, the amount that would have the gene is dependent on the spouse's genetic makeup but ranges from 50-100%.
When we say that an individual is heterozygous for a given trait, we mean that of the two alleles that this individual possesses for the given trait, one is of the desired type and one is not. Whereas an individual who is hom-ozygous for a given trait will have both alleles of the same kind.
For example, if we were to look at the allele for blue-colored eyes, a heterozygous individual will have one allele which corresponds to blue coloration, and one allele that corresponds to another color, and a hom-ozoygous will have both alleles for blue eyes. In order to accurately predict the expression of the gene in the offspring of an individual, we use a punnet square (see attached image).
Assuming that the allele in question is dominant in nature, this allows us to see that of the four daughter cells of an individual that is heterozygous for the given allele, the number that will have the triangle32 allele are:
- 50% (2) if crossed with a spouse who does not have the allele
- 75% (3) if crossed with a spouse who is also heterozygous for the allele
- 100% (4) if crossed with a spouse who is hom-ozygous for the allele
In conclusion, we can say that the outcome of the cross is entirely dependent on the genetic makeup of the spouse, as well as the dominant or recessive nature of the allele in question, but can accurately predict an outcome in the range of 50-100%.
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