The alternative form of a gene controlling a given characteristic is called:

1. a mutation

2. gene b

3. an allele

Within a narrow range of temperatures, S. marcescens produces a red pigment called prodigiosin. Although the ultimate purpose of the pigment is a mystery, it is known that at least 10 enzymes are required for its production.

The half-life of tritium or hydrogen-3 is it 12.32 years, after about 24.6 years how much of a sample of tritium remain unchanged? A 1/3 B 1/2 C 1/8 D 1/4

Whitch of the following countries uses the English system

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Write a paragraph that explains how cells in a many-celled organism are like teammates on a sports team.

What soil properties are influenced by microorganism activity?

After an accident, steve's heart is not beating and he has stopped breathing. steve is

Select the phrases that accurately describe properties of the most common form of the DNA double helix. a. The phosphodiester bonds between nucleotide residues run in opposite directions in the two strands. b.

Which of the following aids in the weathering and transportation of rocks? A. ice B. electricity C. sunlight D. clouds

Geest p, mohseni m, linssen j, duran s, de jonge r, groeneveld a. the intensive care infection score - a novel marker for the prediction of infection and its severity. critical care (2016) 20: