When you look at a pine tree, the plant you see in the _________.
A. diploid sporophyte
B. haploid gametophyte
C. haploid sporophyte
D. diploid gametophyte
A. diploid sporophyte
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One of the buffers that contribute to pH stability in human blood is carbonic acid (H2CO3). Carbonic acid is a weak acid that, when placed in an aqueous solution, dissociates into a bicarbonate ion (HCO3-) and a hydrogen ion (H+), as noted below
If the pH of blood increases, one would expect _____. A) a decrease in the concentration of H2CO3 and an increase in the concentration of HCO3- B) an increase in the concentration of H2CO3 and a decrease in the concentration of HCO3- C) a decrease in the concentration of HCO3- and an increase in the concentration of H+ D) an increase in the concentration of HCO3- and a decrease in the concentration of OH- E) a decrease in the concentration of HCO3- and an increase in the concentration of H2CO3 and H+
Suppose 200 fish are marked and released in a pond. The following week, 200 fish are caught and 100 of them have marks. There are about ________ fish in this pond
Fill in the blank(s) with correct word
Proto-oncogenes are
a. genes that will turn into cancer genes. b. normal genes that promote mitosis. c. genes that produce tumor suppressing proteins. d. cancer genes that back mutate into normal genes. e. normal genes that promote DNA replication.
The sum total of all alleles carried in all members of a population is called the
A) gene pool. B) genome. C) ploidy. D) polygenic sum. E) polymorphism.