What is the name for a single cell or a few large cells that contain more than one nucleus and surround a relatively large vacuole?

a. Coenocytic thallus
b. Thallus
c. Holdfast
d. Stipe


a

Biology & Microbiology

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You are performing an experiment to assay phosphorylation of a substrate by a protein kinase. Based on the data in the table below, what do these experimental results suggest?



A. GTP is not required for phosphorylation.
B. The substrate can undergo autophosphorylation.
C. The substrate is not required for phosphorylation.
D. The protein kinase is required for phosphorylation.

Biology & Microbiology

The DNA of an organism is studied and found to contain 14% guanine. This organism should have

____% thymine and ____% cytosine in its DNA.

a. 86; 14 b. 14; 36 c. 36; 36 d. 14; 86 e. 36; 14

Biology & Microbiology

When a diabetic injects insulin, what does this accomplish?  

A.  promotes glucose release from cells, raising blood glucose B.  promotes uptake of glucose into cells, lowering blood glucose C.  promotes hydrolysis of glycogen, raising blood glucose D.  improves the ability of the body to sense blood glucose levels

Biology & Microbiology

Four of the five choices listed below are involved

directly in water movement through plants. Select the exception. a. negative pressure b. transpiration c. cohesion-tension d. tension in xylem e. photosynthesis

Biology & Microbiology