Answer:
The correct answer is - b. All of the answers occur as a result of CR1 binding of complement-opsonized microbes.
Explanation:
Binding of complement - opsonized to CR1 makes the microbe palatable to the phagocyte for the phagocytosis and removes the microbe from the host cell. The mechanism of the removal takes place by the promotion of phagocytosis by the leukocytes.
Secretion of the pro-inflammatory cytokines also takes place in the clearing of the microbe and the phagocytosis is mediated by the B cells of the C3b-opsonized pathogen.
Answer:
100% black
Explanation:
<em>The allele for black is dominant over that of the grey fur.</em>
Let B represents the allele for black color and b for grey color.
Homozozygous black rabbit will have the genotype: BB
Heterozygous black rabbit will have the genotype: Bb
If the two are crossed;
BB x Bb
Offspring: BB, Bb, BB, and Bb = 2BB and 2Bb
2BB = Black fur
2Bb = Black fur (heterozygous)
Both BB and Bb offspring are black phenotypically.
<em>Hence, all the offspring will appear black, a phenotypical ratio of </em><em>100% black.</em>
Incomplete metamorphosis results in a nymph, which resembles a little adult, whereas complete metamorphosis results in a very active, ravenously hungry larva and an inactive pupa.
In biology, metamorphosis refers to a dramatic change in an organism's form or structure following hatching or birth. The changes appear to be controlled by hormones known as juvenile and molting hormones, which are not species-specific.
Insects have two different types of growth forms: complete and partial metamorphosis. The four phases of the whole metamorphosis are the egg, larva, pupa, and adult. Three phases make to the incomplete metamorphosis: egg, nymph, and adult. During incomplete metamorphosis, the pupa stage is not developed. Humans and other viviparous animals do not undergo metamorphosis since their young are born already complete inside their mother's womb.
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The Embryonic stem cells are capable of limited differentiation.
In Epistatis interactions, the effect of one gene is dependent on the presence of other 2 or more genes. Each gene locus had an independent effect on a single phenotype. Therefore, the R and r alleles affected solely the form of the seed and had no influence on seed color, whereas the Y and y alleles affected solely seed color and had no influence on seed form. during this case, there have been 2 separate genes that coded for 2 separate characteristics.
Thus, Epistasis <span>interaction would account for these results.</span>
