Cellulose is a polymer of ________, a common monosaccharide
Fill in the blank with correct word.
Answer: glucose
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How would cellulose-degrading bacteria in the rumen (stomachs) of a cow benefit the animal?
A. The bacteria would produce, secrete, and incorporate organic molecules as they obtain energy from the cellulose in grass and replicate. The cow could then digest both the secreted organic molecules AND the bacteria that synthesized them. B. The bacteria would produce sugars as they digested the cellulose. These sugars would be given off to the cow as a symbiotic relationship in exchange for the protected location of the stomachs of the cow for the bacteria to grow and replicate in. C. They wouldn't benefit the animal-they would replicate and cause disease in the animal, leading to its death. D. They wouldn't benefit the animal-only the bacteria within the animal. This is why cows must have food sources other than grass in order to survive.
During a polymerase chain reaction,
a. a DNA template is mixed with primers, nucleotides, and Taq polymerase. b. the sample is heated in order to allow the two strands of DNA to separate completely. c. some of the primers base-pair with template DNA. d. Taq polymerase performs DNA synthesis from the primers. e. all of these occur
For polymerase chain reaction to occur,
a. isolated DNA molecules must be primed. b. all DNA fragments must be identical. c. the DNA must be separated into single strands. d. a "sticky end" must be available for the ligase enzyme to function. e. isolated DNA molecules must be primed and the DNA must be separated into single strands.
What are peripheral membrane proteins?
What will be an ideal response?