Which of the following is/are secondary lymphoid organ(s)?
A.
Thymus
B.
Spleen
C.
Lymph nodes
D.
Bone marrow
E.
Spleen AND lymph nodes
E
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Some bacteria develop resistance to groups of drugs because the drugs are all structurally similar to each other; this is a phenomenon known as (cross/multiple/synergistic) resistance
What will be an ideal response?
What is the correct graphical representation of the organizational levels of a biological system
In a certain breed of chicken, an incompletely dominant gene controls color. The homozygous black,
when crossed with the homozygous splashed-white, produces an intermediate gray color pattern called blue. A second gene controls the shape of the comb. The dominant allele (R) produces rose, while the recessive allele (r) produces single. Give the F1 and F2 genotypic and phenotypic ratios of a cross between a pure-breeding, black single and a pure-breeding, splashed-white rose. What will be an ideal response?
In ________, ribosomes can attach to the mRNA and begin translation even though transcription has not been completed.
A. fungi B. eukaryotes C. protozoa and some plants D. bacteria