________ are cell adhesion proteins that some cells use in the process of differentiation during development.

A. Receptors
B. Cadherins
C. Phospholipids
D. Glycospheres


Answer: B

Biology & Microbiology

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An epitope is part of an antibody's:

A. constant region of a heavy chain. B. antigen. C. hypervariable region. D. fab fragment.

Biology & Microbiology

Match the reactant in the TCA cycle on the left with the appropriate enzyme on the right.

A) fumarate dehydrogenase B) malatase C) succinyl CoA synthetase D) malate dehydrogenase E) citrate synthase F) fumarate hydratase G) succinate dehydrogenase H) aconitase 1. Oxaloacetate 2. malate 3. citrate 4. fumarate 5. succinyl CoA

Biology & Microbiology

Which provides a more stable genome, DNA or RNA?

What will be an ideal response?

Biology & Microbiology

Retroviruses have a DNA polymerase called reverse transcriptase which transcribes the RNA

genome into a DNA intermediate. ____________________ Indicate whether the statement is true or false.

Biology & Microbiology