Which of the following is a possible future benefit of stem cell research?
A) developing a vaccine for cancer
B) reversing damage from a heart attack
C) generating embryos from nonliving tissue
D) increasing a person's intelligence quotient
Ans: B) reversing damage from a heart attack
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Water held behind a dam would best reflect ______.
A. heat energy B. mechanical energy C. chemical energy D. potential energy E. kinetic energy
While conducting a plant diversity survey in a temperate rainforest in Washington state, you come across a number of individuals of a low-lying plant species. Back at the lab, tests indicate that the majority of the plant material is haploid. The plant you discovered is likely most closely related to
A. complex streptophyte algae. B. sphagnum moss. C. lycophytes. D. conifers. E. daisies.
Air pollution over a long period of time can cause this condition
A) malaria B) influenza C) emphysema D) measles
Which of the following leukocytes are classified as granulocytes?
a. monocytes b. lymphocytes c. macrophages d. natural killer cells e. neutrophils