Which of the following are accessory pigments
in photosynthesis?
a. carotenoids
b. phycobillins
c. anthocyanins
d. chlorophyll b
e. all of these
E
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One of the steps in converting normal cells into cancerous cells may be the ____________________ and silencing of both copies of the NOEY2 gene
Fill in the blank(s) with correct word
A cell is in metaphase if:
a. the chromosomes are visible as threadlike structures. b. the nuclear envelope is clearly visible. c. the chromosomes are aligned at the midplane of the cell. d. the chromosome are separated into distinct groups at opposite poles of the cell. e. cytokinesis is occurring.
Epstein-Barr virus has all of the following characteristics except.
A) is only found to infect 5% of the world's population. B) is transmitted by direct,oral contact and saliva. C) produces sudden leukocytosis. D) has a 30-50 day incubation E) can be transmitted by contaminated blood transfusions and organ transplants.
What is one characteristic of the Verrucomicrobia that can differentiate it from the Planctomycetes?
a. membrane-bound compartments b. cellular appendages c. peptidoglycan in the cell wall d. reproduction by budding