All seed plants are described as ________ because their sporophytes have two types of sporangia that produce sexually different spores.

A. Heterosporous
B. Polypoids
C. Homosporous
D. Monoecious
E. Dioecious


Ans: A. Heterosporous

Biology & Microbiology

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Experiments with bacteria and ____________________ offered solid evidence that deoxyribonucleic acid (DNA), not

protein, is the hereditary material.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The process by which cell lineages become specialized in composition, structure, and function is referred to as

a. apoptosis. b. cytoplasmic localization. c. differentiation. d. embryonic induction.

Biology & Microbiology

Given what is known about the minimal essential functions of cellular life, if you could create an artificial cell, what cellular structures must you include?

A. mitochondria B. nucleus C. cell wall D. ribosomes

Biology & Microbiology

In which type of incident is the rehab center located farthest from the operational area?

a. confined space b. wildland c. high-rise d. hazardous materials

Biology & Microbiology