Which type of plant tissue is considered primarily photosynthetic?
a. vascular tissue
b. dermal tissue
c. ground tissue
d. root tissue
Answer: c. ground tissue
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Entamoeba histolytica can cause amoebic dysentery. It moves using pseudopodia, can only feed by phagocytosis, and is unicellular. Entamoeba histolytica is classified as
A. an alga. B. an apicomplexan. C. a protozoan. D. a diatom. E. a slime mold.
The DNA fragments generated by some restriction enzymes ____
a. have fused ends b. have RNA ends c. have sticky ends d. form a circle e. cannot be used to make recombinant DNA
The displacement loop (D-loop) may be a characteristic of
A) centromeres. B) telomeres. C) A-DNA. D) B-DNA. E) Z-DNA.
The third line of defense against pathogens is also known as the primary response
a. true b. false