The rate of fertilization increases with the time that a male spends mating.

a. true
b. false


Ans: b. false
The rate decreases toward a maximum, which is probably the number of eggs that the female has produced.

Biology & Microbiology

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A cell biologist produces a karyotype of mouse somatic cells arrested in mitosis.  She sees 40 chromosomes, which is completely normal for mice.  Based on this information, what is the haploid number of chromosomes for mice?  

A.  10 B.  20 C.  40 D.  80 E.  It cannot be determined from the information provided Clarify Question   · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean?   Gather Content   · What do you know about diploid cells? How does it relate to the question?   Consider Possibilities     · What other information is related to the question? Which information is most useful?   Choose Answer   · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process   · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Which of the following lists of structures is in the correct order from inside to outside of the cell?

A) axoneme, transition zone, basal body B) transition zone, basal body, axoneme C) axoneme, basal body, transition zone D) basal body, transition zone, axoneme E) basal body, axoneme, transition zone

Biology & Microbiology

The fungi with the ability to break down lignin

are the ___ fungi.

a. club b. zygote c. sac d. club and sac e. club and zygote

Biology & Microbiology

The land plants are probably descendants of which of these groups?

a) green algae b) red algae c) brown algae d) angiosperms

Biology & Microbiology