Peptide bonds form between ____
a. two amino groups
b. two carboxyl groups
c. a carboxyl group and an R group
d. an amino group and a carboxyl group
e. an amino group and an R group
d
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Consider a diploid species where n=5. If an individual of this species was found to have 11 chromosomes, it would be categorized as
A. polyploid. B. aneuploid. C. tetraploid D. monosomic. E. triploid.
Both male and female gonads function to:
1) produce gametes. 2) produce hormones. 3) transfer gametes. 4) nourish the embryo. 5) influence secondary sexual characteristics. a. answers 1 and 2 b. answers 2 and 4 c. answers 3, 4, and 5 d. answers 1, 2, and 5 e. answers 1, 2, 3, 4, and 5
A field biologist finds an unfamiliar single-celled organism in a sample from the surface of a marshy area. What observations or tests would make it possible to determine whether it is a protozoan, fungus, or alga? Assume the PCR machine at the field station is not working, but all other equipment is
What will be an ideal response?
The cyclic nitrogenous base used in transcription, uracil, is a ________.
A. protein B. purine C. porphyrin D. pyrimidine