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
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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
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.
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.
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