In an antibody-mediated immune response, cytokines induce ____
a. mitosis
b. meiosis
c. DNA replication
d. protein synthesis
e. gene splicing
ANSWER: a
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The most common leukocyte in the blood is
(a) a lymphocyte. (b) an eosinophil. (c) a basophil. (d) a neutrophil.
Answer the following statements true (T) or false (F)
1. A time of great adaptive radiation for mammals occurred during the Tertiary period. 2. The coding region of chimpanzee genes and human genes are 99% identical. 3. According to the evolutionary tree, humans share a common ancestor with other groups of apes. 4. According to Marjorie Weber and Anurag Agrawal research, a relatively young plant family with many species would have a low diversification rate; and an old plant family with just a few species would have a high diversification rate.
Which of the following is NOT true of CAM
plants?
a. they are most like C4 plants in their photosynthetic metabolism b. the light-independent reactions begin at night c. they fix carbon only during the night d. they include the cacti and succulents e. they use rubisco
Which Ecdysozoan phylum includes many important decomposers, but also many damaging plant and animal parasites?
a. Arthropoda b. Annelida c. Nematoda d. Nemertea