__________________, is the first number listed in blood pressure readings, measures the force of the left ventricle contraction.
Fill in the blank(s) with the appropriate word(s).
Answer: Systolic pressure
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In a population of 100 four-o'clock flowers there are 40 red-flowered plants (CRCR), 38 pink-flowered plants (CRCW), and 22 white-flowered plants (CWCW). What is the frequency of the CW allele in this population?
A. 0.32 or 32% B. 0.6 or 60% C. 0.41 or 41% D. 0.09 or 9% E. 0.52 or 52%
What is the molecular mechanism by which reverse transcriptase inhibitors, such as AZT, prevent viral replication?
What will be an ideal response?
In algae, gametangia are generally unicellular
_________________ Indicate whether the statement is true or false.
Sulfolobus are archaea that are commonly found in geothermal environments, with an optimum growth temperature of about 80°C. What feature allows archaea to thrive at such temperatures?
A. Archaea are highly adaptable to changing environmental temperatures. B. Archaeal membranes contain special lipids. C. Archaea use the heat from their environment to produce ATP. D. Archaea have two cell walls that helps prevent heat absorption.