Which type of cellular proteins internally support the axopods of radiolarians?
a. microfilaments
b. microtubules
c. actin filaments
d. lysosomal proteins
Ans: b. microtubules
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The cells that surround stomata are:
a. endodermal cells b. guard cells c. mesophyll cells d. vascular bundle cells e. vessel cells
One of the major characteristics of life is reproduction. There are two types of reproduction: asexual and sexual reproduction. Compare the advantages and disadvantages of both types of reproduction. What do you think is the benefit of sexual reproduction that makes it so much more prevalent among living things?
What will be an ideal response?
A scientist performs an experiment in which they create an artificial cell with a selectively permeable membrane through which only water can pass. They inject a 5 M solution of glucose into the cell and then place the cell into a beaker of water. After an hour, what effect do you expect to observe?
A. water moves out of the cell B. glucose moves out of the cell C. glucose moves into the cell D. water moves into the cell E. no net change in cell weight
The structure of C3 plants allows RuBP carboxylase to bind with ____ during photorespiration.
What will be an ideal response?