As you climb a flight of stairs, what type of energy are your legs in motion using?

a. kinetic energy
b. thermal energy
c. chemical energy
d. electrical energy
e. potential energy


a

Biology & Microbiology

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Which of these are spore-producing structures?

A) sporophyte (capsule) of a moss B) antheridium of a moss or fern C) archegonium of a moss or fern D) gametophyte of a moss

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What is the primary function of Dynamic Study Modules?

A. Normalize student learning so the teacher knows what to focus on in lecture. B. Give students real-life applications of the concepts they are currently learning in class. C. Assess what a student already knows, and where he or she may want to focus additional study. D. Allow students to collaborate with each other on assignments in Mastering.

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In mitosis, the main difference between plant and animal cells is that

A. plants have a central vacuole, while animal cells do not. B. plants do not undergo cytokinesis. C. plants produce a cell membrane in cytokinesis, while animals form a cell plate. D. in plants, kinetochore microtubules shorten and draw chromosomes toward the poles; in animals, polar microtubules lengthen to push chromatids apart. E. plants produce a cell plate to segregate the daughter nuclei, while animals form a cleavage furrow.

Biology & Microbiology

Which of the following events does not put you at risk for contracting a Francisella tularensis infection?

A) adopting a dog from an animal shelter B) a tick bite while out camping C) taking away a wounded rabbit your cat brought back for you D) cleaning a deer that you just shot E) removing an injured squirrel from the road in front of your house

Biology & Microbiology