Which one of the following types of organisms most closely resembles the original prokaryotes?
A. algae
B. bacteria
C. fungi
D. plants
E. animals
Answer: B
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The part of interphase after chromosomes are duplicated is the ____
a. G1 phase b. S phase c. G2 phase d. M phase e. R phase
Hari is experiencing intense pain in one point in his body. Maryam has the perfect solution! She has a wonderful drug that is guaranteed to take away all pain, and she wants Hari to take it before going to the doctor. Why should Hari not take the drug,
according to the information in this chapter? What will be an ideal response?
Gene therapy is currently used to treat all of the following diseases EXCEPT
A) severe combined immunodeficiency disease (SCID). B) Duchenne's muscular dystrophy. C) cystic fibrosis. D) LDL-receptor deficiency. E) colon cancer.
Capsaicin is a compound in chili peppers that produces a burning sensation in mammalian tissues. In mammals, capsaicin binds to the TRPV1 transmembrane channel. Interestingly, the TRPV1 channel in birds does not respond to capsaicin. What implications could this have for chili pepper plants?
A. Chili pepper seeds cannot be dispersed. B. Mammals are likely responsible for the dispersal of chili pepper seeds. C. Birds are likely responsible for the dispersal of chili pepper seeds. D. Birds will avoid eating chili peppers.