Helix-turn-helix and zinc fingers are secondary structural motifs in DNA and RNA, respectively.

Answer the following statement true (T) or false (F)


False

Biology & Microbiology

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The accumulation of amino acids and sugars in animal cells can occur through  

A.  ATP pumps. B.  sodium-potassium pumps. C.  glucose pumps. D.  coupled transport. E.  proton pumps.

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. When a molecule of NAD+ gains a hydrogen atom, the molecule becomes reduced. 2. Proteins and fats may be used as energy sources to drive aerobic respiration. 3. During the energy investment phase of glycolysis, glucose has a decrease in free energy. 4. The rate of photosynthesis is much greater in green light than red light.

Biology & Microbiology

A(n) _____disease is an infectious disease that does not arise from host to host transmission

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The first animals to show cephalization have several characteristics. Which of the following is NOT one of them?

a. These animals were triploblastic. b. These animals had a proboscis. c. These animals were in phylum Platyhelminthes. d. These animals are placed in the group Lophotrochozoa. e. These animals followed the protostome pattern of embryonic development

Biology & Microbiology