Which unicellular protists have silica shells consisting of top and bottom halves that fit together like pillboxes?
A) Apicomplexans
B) Amoebas
C) Diatoms
D) Euglenids
E) Slime molds
C
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The end result of meiosis in animals is ______
A. two diploid cells B. two haploid cells C. four diploid cells D. four haploid cells E. None of the answers are correct
How is binary fission similar to mitosis with cytokinesis?
A. Both are modes of sexual reproduction. B. Both occur only in eukaryotes. C. Both occur only in prokaryotes. D. Both involve replication of DNA and separation of DNA equally into two daughter cells. E. Both give rise to offspring that are genetically different from the parent.
The difference between deoxyribose and ribose sugars is...?
a. One sugar is single-stranded b. DNA is a 5-carbon ring, whereas RNA is a 6-carbon ring c. A carboxylic acid group is present on the 2' carbon of DNA d. A hydroxyl group is present on the 2' carbon of RNA
Paramecia use cilia for locomotion and for gathering organic matter. How are rotifers similar?
A. Rotifers are single-celled protists B. The corona is made of cilia, and used for swimming and feeding. C. Rotifers and ciliates are thought to have given rise to all other animal phyla. D. Both lack a gut. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about rotifers and ciliates? 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?