Which of the following organism is not a consumer?
A. A human
B. A lion
C. A mushroom
D. A oak tree
Answer: D
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Of the organisms mentioned in this study, which is an autotroph?
a. soybeans b. bacteria c. bean bugs d. both bacteria and bean bugs
Phosphorus has ____ electron vacancies
a. 1 b. 2 c. 3 d. 5 e. 8
The main difference between therapeutic cloning and reproductive cloning is that
A. in therapeutic cloning, embryonic stem cells are extracted from the blastocyst, while in reproductive cloning, the blastocyst is kept intact and implanted into a surrogate mother. B. unlike cells used for reproductive cloning, cells grown for therapeutic purposes do not display genetic imprinting problems. C. somatic cell nuclear transfer is used for therapeutic cloning, while gametic cell nuclear transfer is used in reproductive cloning. D. unlike cells used for reproductive cloning, cells grown for therapeutic purposes do not require the destruction of embryos.
Which type of membrane transport is most important for nutrient acquisition in nutrient poor environments?
A. Simple diffusion B. Active transport C. Facilitated diffusion through membrane carrier proteins D. Facilitated diffusion through channel proteins