Many Algal Species Have Life Cycles Consisting of Alternating Haploid

question 34

Multiple Choice

Many algal species have life cycles consisting of alternating haploid and diploid generations. Which sentence describes the organisms that comprise the most common life cycle in green algae?

• A)They are multicellular in the haploid stage and unicellular in the diploid stage.
• B)They are unicellular in the haploid stage and multicellular in the diploid stage.
• C)They are unicellular in both the haploid and diploid stages.
• D)They are multicellular in both the haploid and diploid stages.

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Definitions:

Bacteriophages

Viruses that infect and replicate within bacteria, often used in molecular biology and genetics.

Viruses

Microscopic infectious agents that replicate only inside the living cells of organisms, causing a range of diseases in humans, animals, and plants.

DNA-Degrading Enzymes

Enzymes that break down deoxyribonucleic acid (DNA), essential in processes such as DNA repair and the recycling of genetic material.

Nucleic Acids

Biomolecules essential for all known forms of life, including DNA and RNA, which carry genetic information and are involved in protein synthesis.