In a bacterial cell, the DNA is in the:
A) cell envelope.
B) cell membrane.
C) nucleoid.
D) nucleus.
E) ribosomes.
Ans: C) nucleoid.
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The ____ is self-perpetuating embryonic tissue typically found at the tips of shoots and roots
a. ground tissue b. protoderm c. vascular tissue d. meristem e. dermal tissue
Elaborate on the idea that proteins are the workhorse molecules of the cell. What will be an ideal response?
A novice gardener notices that many plants in his garden look wilted. What osmotic solution would you suggest the novice gardener use to best return the plants to full health?
A. Place the plants in a 5% solute solution so water can diffuse into the plant cells. B. Place the plants in a 15% solute solution so water can be actively transported out of the plant cells. C. Place the plants in a 5% solute solution so water can be actively transported out of the plant cells. D. Place the plants in a 15% solute solution so water can diffuse out of the plant cells.
During eukaryotic transcription, an RNA molecule is formed that is
a. double-stranded and inside the nucleus b. complementary to both strands of DNA c. identical to an entire single strand of DNA d. complementary to part of one strand of DNA