How much plastic enters the ocean each year?

a. 500 million metric tons
b. 500 thousand metric tons
c. 1 billion metric tons
d. 1 million metric tons


d

Biology & Microbiology

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A parent has a genotype of RrYy. What is the probability of this individual producing a gamete with the RY genotype?

a. 1/2 b. 1/4 c. 3/4 d. 1/8 e. 0

Biology & Microbiology

Compare and contrast DNA synthesis in prokaryotes and eukaryotes. What will be an ideal response?

Biology & Microbiology

Constructing which of the following types of food web would require an experimental approach?

A) connectedness web B) energy flow web C) functional web

Biology & Microbiology

Myosin is a contractile protein found in muscles that is composed of three pairs of subunits, two heavy chains, and two pairs of two different types of light chains, for a total of six subunits. Myosin contains what level(s) of protein structure?

A) primary only B) primary and secondary only C) primary, secondary, and tertiary only D) primary, secondary, tertiary, and quaternary

Biology & Microbiology