Polymers that contain sugars ... (3)
What will be an ideal response?
1 may store hereditary information.
2 may store energy
3 may protect cells
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During a period of low water availability, the prokaryotic structure that would protect a cell from desiccation (drying out) is the rev: 09_22_2014
A. pili. B. plasma membrane. C. nucleus. D. glycocalyx.
The ____ is a Gram-negative bacterium
a. Clostridium b. Staphylococcus c. Streptococcus d. Salmonella e. Lactobacillus
Which is incorrect about the Fc region of an immunoglobulin?
A. It contains an effector molecule that can bind to cells such as macrophages and mast cells. B. It is called the crystallizable fragment. C. It determines the class to which the immunoglobulin belongs. D. It contains an effector molecule that can fix complement. E. It forms the antigen binding sites.
An inactivating mutation in the progesterone receptor gene would likely result in _____
A) the absence of secondary sex characteristics B) the inability of the uterus to support pregnancy C) enlarged and hyperactive uterine endometrium D) the absence of mammary gland development