What advantage do individuals with one sickle cell allele have?
a. no advantage
b. more rigid red blood cells
c. a stronger resistance to malaria
d. immunity to typhoid fever
Ans: c. a stronger resistance to malaria
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If a drug that inhibited transport from the trans face of the Golgi was applied to plant cells, which stage of the cell cycle would be directly affected?
A. G2 B. S C. Metaphase D. Anaphase E. Cytokinesis Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about the role of the Golgi in mitosis in plants? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Anti-A and anti-B antibodies
A. are considered natural antibodies. B. are present at birth. C. are typically IgM. D. easily cross the placenta. E. are considered natural antibodies AND are typically IgM.
Before they enter the blood stream, what
modification occurs to erythrocytes?
a. they are loaded with ant-bacterial compounds b. they lose their nucleus and other organelles c. they absorb oxygen and release carbon dioxide d. they are wrapped in a double plasma membrane e. they absorb nutrients and expel wastes
Species interactions between members of a
community include __________, which harms both species. Fill in the blank(s) with the appropriate word(s).