A cell that makes up the body structure of an organism and is diploid is _______
A. a gamete
B. a somatic cell
C. an allele
D. rare
E. a sperm cell
B
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The breakdown of larger molecules into smaller ones
What will be an ideal response?
A covalent bond is formed between an anion and a cation.
Answer the following statement true (T) or false (F)
Eyelash length is an inherited trait. In the human population, there is an eyelash length gene. There are two possible variants of this gene-an allele for long eyelashes (> 1cm) and an allele for short eyelashes (1 cm or less). How many eyelash length alleles does an individual have in one of her/his somatic cells?
A. 46 B. 3 C. 2 D. 23 E. 1
A newly-generated T cell can recognize MHCs and is not self-reactive. What is its fate?
A) It is signaled for destruction via apoptosis. B) It will migrate to the lymphoid tissues to await activation by its antigen. C) It will undergo genetic shuffling to change its receptor to increase self-tolerance. D) It will become part of an autoimmune attack in the body's tissues at some time in the future. E) It will migrate to the bone marrow for screening for the ability to make antibodies against self-antigens.