Biology
What will be an ideal response?
the study of living organisms
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The virus structure indicated by the arrow labeled A is the
Use the labeled arrows to answer questions related to these five viruses.
A. genetic material, DNA or RNA.
B. the bacteriophage.
C. the bacterial membrane.
D. the lipid-rich envelope.
E. the protein coat, or capsid.
What is the most probable hypothesis about these intermediate forms of cell division?
A) They represent a form of cell reproduction, which must have evolved completely separately from those of other organisms. B) They rely on totally different proteins for the processes they undergo. C) They may be more closely related to plant forms that also have unusual mitosis. D) They show some but not all of the evolutionary steps toward complete mitosis.
Which of the following activities is not a way that unicellular organisms maintain homeostasis?
A. Reproduction B. Growth C. Response to the environment D. Cell specialization
Which of the following help neutralize free radicals that form in the body?
A) Amino acids B) Antioxidants C) Lipids D) Minerals E) Monosaccharides