Which of the following is true of transposable elements (TEs)?
a. Humans are one of a few organisms that do not contain TE DNA in their genomes.
b. All TEs make a copy of themselves that inserts into a new location (copy and paste).
c. All TEs are removed from one location before moving to another (cut and paste).
d. TEs can be mutagenic.
e. The site into which a TE inserts itself is homologous to the TE itself.
D
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Which structure-function pair is mismatched?
A) nucleolus â€" production of ribosomal subunits B) lysosome â€" intracellular digestion C) ribosome â€" protein synthesis D) Golgi â€" protein trafficking E) microtubule â€" muscle contraction
Is natural selection the same thing as evolution?
A. Yes, they are the same because they both change populations. B. No, they are not the same because natural selection works on individuals, whereas evolution is change in populations. C. Yes, they are the same because they both involve phenotypes and genotypes. D. No, they are not the same because natural selection has never been observed.
Serotonin is produced from the amino acid tryptophan.
a. true b. false
A human reservoir of a disease is also called the carrier of the disease
a. true b. false