BSL-1 bacteria are very dangerous
a. true
b. false
Answer: b. false
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Red blood cells are bi-concave. Their shape is determined by interior proteins anchored to the membrane termed
A. clathrins. B. phospholipids. C. cytoskeleton. D. spectrins. E. actin filaments.
Genetic analysis indicates that an unknown organism contains a gene that codes for a defective form of telomerase. Based on this information alone, you can conclude that this organism
A. is prokaryotic. B. is eukaryotic. C. has unusually long telomeres. D. has an increased risk of developing cancer. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about telomerase? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
In humans, structures that show developmental homology include
A. eyes and nose. B. temporary gill slits and bony tail. C. legs and arms. D. lungs and stomach. E. both eyes and nose and lungs and stomach.
The process that makes an exact copy of a cell's DNA is called
A.) conservation B.) preservation C.) replication D.) synthesis