Which group of protists includes photosynthetic, individual cells that lack a rigid cell wall and move via a flagellum?
A) Amoebas B) Diatoms C) Euglenids D) Water molds E) Slime molds
C
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Where do the enzymatic reactions of the Calvin cycle take place?
A) stroma of the chloroplast B) thylakoid membranes C) matrix of the mitochondria D) cytosol around the chloroplast E) thylakoid space
If a mutation rendered the signal recognition particle receptor nonfunctional, what would be the most obvious effect on the cell?
A. Translation of most proteins would be incomplete. B. All proteins normally secreted by the cell would remain partially formed and attached to the endoplasmic reticulum. C. Proteins destined for the nucleus would remain in the cytosol. D. No proteins would arrive at their proper destinations within the cell. E. All proteins normally secreted by the cell would remain in the cytosol.
A consensus sequence in the untranslated leader sequence of a prokaryotic mRNA, which serves as a ribosome binding site is called the ________ - ________ sequence.
What will be an ideal response?
Marine bony fishes have blood that is just as salty as seawater
Indicate whether the statement is true or false