Answer:
Thymus
Explanation:
T cells mature in the thymus
Heterotrophs are consumers, cannot make their own foods, and have some of them have the capacity to consume autotrophs. Hence, they are not at the base of most food webs.
Heterotrophs are organisms that have no capacity to manufacture their own foods, unlike autotrophs.
They depend on other organisms for their foods. Hence, they are known as consumers, unlike autotrophs that are called producers.
Heterotrophs are of different types:
- Herbivores: those that consume autotrophs only
- Carnivores: those that consume meat only
- Omnivores: those that consume both autotrophs and meat.
Thus, heterotrophs do not occupy the base of food webs. The base of food webs are mostly occupied by autotrophs, the producers.
More on heterotrophs can be found here: brainly.com/question/13420317?referrer=searchResults
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Answer:
If mother 1 is a carrier of hemophilia, it is likely that her son would in fact have hemophilia while the son of mother 2 does not. Mother 1 would have the genotype XᴴXʰ, meaning she has one recessive allele for hemophilia, while the father would have the genotype XᴴY, and would neither be afflicted with hemophilia nor carry it. If you do a punnett square, it shows that the son of mother 1 would have a 50% chance of having hemophilia, since he wouldn't have a second X chromosome with a dominant allele to mask the recessive hemophilia allele. Also, if mother 2 has the homozygous dominant genotype XᴴXᴴ despite the father having hemophilia and the genotype XʰY, a punnett square for this couple proves that their son would have a 0% chance of having hemophilia. Therefore, it is very likely that their sons were not switched at birth and the correct answer is D: The fact that the father in couple 2 has hemophilia would not predispose his son to hemophilia. The first couple has no valid claim. Hope this helped!
Answer:
In DNA replication for a TTACG sequence the complementary strand would have the AATGC sequence.
Explanation:
DNA replication is the production of a new strand from an existing strand. The order of the sequence of nitrogenous bases of the new strand is complementary to the original base sequence, taking into account the complementarity of bases, where a purine binds to a pyrimidine:
Accordingly, if the sequence on the original strand is TTACG, the sequence on the new complementary strand is AATGC.
