Elastic cartilage is found in
a. the ends of long bones.
b. the outer flaps of the ears.
c. intervertebral discs.
d. the trachea.
e. the ribs.
B
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Growth factors cannot by synthesized by the bacteria that use them and include amino acids, pyrimidines, and vitamins.
Answer the following statement true (T) or false (F)
A tRNA molecule is "bilingual" because it "speaks the language of" or binds to
amino acids and DNA DNA and mRNA codons promoters and amino acids codons of mRNA and amino acids promoters and terminators
Simple diffusion across a plasma membrane is called passive transport because it ________.
a. requires transport proteins b. requires energy from the cell c. does not require energy from the cell d. does not require control by the nucleus
From the perspective of population growth, what three major age groups does a population contain? Draw three age structure diagrams that roughly depict the proportion of these three age groups in an increasing population, a stable population, and a decreasing population.
What will be an ideal response?