Where are proteins in the chloroplast synthesized?
(a) in the cytosol
(b) in the chloroplast
(c) on the endoplasmic reticulum
(d) in both the cytosol and the chloroplast
(d) Proteins in the chloroplast are synthesized in the cytosol and in the chloroplast. The chloroplast proteins that are encoded by the nuclear DNA are synthesized in the cytosol, and the sorting signals on the protein direct them to the chloroplast. The chloroplast proteins encoded by the chloroplast DNA are synthesized on ribosomes inside the chloroplast.
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A diploid organism that has two identical alleles for a given trait is called _______ for that trait.
A. homozygous B. heterozygous C. dominant D. recessive E. codominant
A phage that can carry a larger piece of a bacterial chromosome would have what type of effect on cotransduction frequencies?
A. Raise the cotransduction frequency B. Lower the cotransduction frequency C. Have no effect on the cotransduction frequency
Select all of the following that are characteristics of chordates.
_____ notochord. _____ protostome development. _____ dorsal hollow nerve cord. _____ post anal tail. _____ pharyngeal slits.
In bird embryos, the pathway for cell migration into the blastocoel is formed by the ____, while in frog embryos, the
pathway for cell migration into the blastopore is formed by the ____.
a. archenteron; dorsal lip of the blastopore b. epiblast; dorsal lip of the blastopore c. primitive groove; ventral lip of the blastopore d. primitive groove; dorsal lip of the blastopore e. hypoblast; ventral lip of the blastopore