A(n) ____________________ is a partly enclosed coastal region where seawater mixes with nutrient-rich fresh water from rivers and streams.
Fill in the blank(s) with the appropriate word(s).
estuary
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Albinism is a recessive trait controlled by a single gene. If the frequency of albinos in a population is
0.25, what is the expected frequency of heterozygotes for this trait? (Hint: use the Hardy-Weinberg formula) A. 0.25 B. 0.50 C. 0.75 D. 0.90 E. It is not possible to determine with the information provided.
What term describes nucleotides in opposing strands of DNA that bind to each other?
A) semiconservative B) complementary C) conjoined D) sister chromatids
What do hydrolases catalyze?
a. splitting water b. oxidation-reduction reactions c. splitting a molecule using water d. the transfer of a phosphate group e. reactions in which double bonds are formed
Sclereids are cells that:a
are found in wood and bark. b. conduct water and dissolved minerals. c. are usually found in nut shells and pits of stone fruits. d. conduct dissolved sugars. e. form cytoplasmic connections between cells.