Which is the normal start codon for protein synthesis?
a. AUG
b. UAA
c. UAG
d. UGA
e. GGU
a
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How did Briggs and King move the nuclei between cells?
A. with a glass pipet B. with a dissecting needle C. with a scalpel D. with forceps
Steroid hormone-receptor complexes act in _____.
Fill in the blank(s) with the appropriate word(s).
Until asked, most people are not aware of the texture of the shirt that they have been wearing all day on their shoulders. What is the term for this phenomenon?
A) action potential B) threshold level C) sensory adaptation D) mechanical accommodation
The protist Stentor contracts when it is touched for the first time but gradually stops retracting if the touching is continued. This behavior is called
A) habituation. B) a sensitive period. C) imprinting. D) insight learning. E) operant conditioning.