What is responsible for primary Down syndrome, which is the type of Down syndrom that tends to NOT run in families?
A. disomy
B. inversion
C. polyploidy
D. nondisjunction
E. translocation
Ans: D. nondisjunction
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Axonemes grow out from a structure called a basal body located at the base of the cila or flagella. Based on this information where would you predict the plus end of the axonemal microtubules are located?
A. near the basal body B. near the tip of the axoneme C. at both ends of the axoneme D. It is not possible to predict from the information provided.
From what organism can green fluorescent protein (GFP) be isolated?
What will be an ideal response?
A nerve consists of:
a. a grouping of dendrites. b. a mass of cell bodies. c. a network of neurons. d. a bundle of axons. e. glial cells.
Which of the following statements concerning bacterial growth at high temperatures is not true?
A) High temperatures denature enzymes B) High temperatures are microbistatic C) High temperatures are microbicidal D) High temperatures destroy lipids