What is the initiating codon for translation and what amino acid does it encode?
What will be an ideal response?
Ans: The initiation codon for both prokaryote and eukaryotes is AUG (encoding methionine). Sometimes bacteria use GUG or UUG, but they still bind the same initiator tRNA for methionine.
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How would you best explain the existence of a mountain range that has abundant conifer trees, ferns, and mosses on the east side, but only sparse shrubby plants on the west side?
A. Adiabatic cooling leads to temperature gradients that produce the differing plant communities. B. Differences in solar intensity produce the differing plant communities. C. Precipitation differences due to a rain shadow on the west side produce the differing plant communities. D. Differences in the specific heat of the two sides of the mountain produce the differing plant communities.
Which of the following organisms can more
likely break down cellulose?
a. a fungus b. a cow c. a human d. a horse e. a plant
The ________ model of population growth assumes that essential resources are unlimited and that the environment is constant
Fill in the blank(s) with correct word
Lysosomes are responsible for ________
A) lipid synthesis B) cellular respiration C) digestion of organic matter inside the cell D) protein synthesis