A Cell That Is Alive at Maturity but Lacks a Nucleus

question 11

Multiple Choice

A cell that is alive at maturity but lacks a nucleus and certain organelles is the:

• A)companion cell.
• B)forisome.
• C)albuminous cell.
• D)Strasburger cell.
• E)sieve element.

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Definitions:

Bases

Substances that can accept hydrogen ions (protons) or more generally, donate electron pairs, in chemical reactions.

Complementary Strand

A nucleic acid strand that forms a sequence match according to the base pairing rules with another strand.

Base Sequence

The order of nucleotide bases in a DNA or RNA molecule that encodes genetic information.

Uracil

A nitrogenous base found in RNA that pairs with adenine during RNA synthesis.