Cytokinesis in plant cells involves the formation of
A.) a belt of protein threads
B.) a cell plate
C.) spindle fibers
D.) centrioles
Answer: B.) a cell plate
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Methanogens often grow in association with
A. nitrifying bacteria. B. lithotrophic bacteria. C. photosynthetic bacteria. D. fermentative bacteria.
In the Hershey and Chase experiment, the pellet was radioactive after bacteria had been infected with
32P-labeled viruses and centrifuged. Why?
a. Bacteria were centrifuged to form the pellet, and they had incorporated radioactive proteins into their DNA. b. Bacteria were centrifuged to form the pellet, and they had incorporated radioactive DNA. c. Viruses were centrifuged to form the pellet, and they had incorporated radioactive proteins from the bacterial DNA. d. Bacteria were centrifuged to form the pellet, and they had incorporated radioactive proteins into their cell membranes. e. Viruses were centrifuged to form the pellet, and they had incorporated radioactive DNA.
Describe two or more ethical issues arising from sequencing the genomes of individuals
What will be an ideal response?
A(n) (photosynthetic/algae/plant) organism makes its own food using light energy
What will be an ideal response?