When a cell grows, it must produce more plasma membrane material. How does the cell do this?
What will be an ideal response?
An ER vesicle is sent off to the Golgi apparatus. The Golgi apparatus repackages the contents and sends a new vesicle to fuse with the plasma membrane, which helps to create more plasma membrane.
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Which of the following is/are secondary lymphoid organ(s)?
A. Thymus B. Spleen C. Lymph nodes D. Bone marrow E. Spleen AND lymph nodes
You are genetic counselor, and a couple comes to you with concerns that if they have a child together, he or she could
have sickle-cell anemia. Genetic tests reveal that both the man and woman are carriers for sickle-cell anemia. How should you advise them?
a. Half of their children will have sickle-cell anemia, and the other half will be carriers. b. All of their children will have sickle-cell anemia. c. There are no concerns, because none of their offspring have a chance of inheriting the sickle-cell allele. d. While none of their children will have sickle-cell anemia, each child will have a 50% chance of being a carrier. e. All of their children will have a 25% chance of having sickle-cell anemia.
The cuticle
a. conserves water. b. reduces absorption of carbon dioxide by the plant. c. relegates transpiration to the stomata. d. helps prevent wilting. e. does all of these.
What effect would mutational damage of the following genes or gene regions have on the induction of an integrated lambda phage virus? a. damage to the cI gene b. damage to the cro gene c. damage to the xis gene
What will be an ideal response?