Which of the following is a consequence of human population growth?

a. reduction in life expectancy
b. increased density-dependent growth factors
c. degradation of the natural environment
d. reduced urbanization


c. degradation of the natural environment

Biology & Microbiology

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The Central Dogma of biology can be stated as  

A.  proteins® RNA® DNA. B.  RNA® DNA® proteins. C.  DNA® proteins® RNA. D.  DNA® RNA® proteins.

Biology & Microbiology

Cigarette smoking increases the need for Vitamin C and the requirement for vitamin C for smokers is 35 mg above the DRI. Although smoking is certainly not indicated during pregnancy, if Moyra Doyle were a smoker, what would her DRI for Vitamin C be?

a. 85 mg b. 100 mg c. 120 mg d. 110 mg

Biology & Microbiology

Micro RNAs (miRNAs) are important in ____

a. alternative splicing b. transcriptional activation c. chromatin remodeling d. genomic imprinting e. RNA interference (RNAi)

Biology & Microbiology

Four of the five answers listed below contribute to the semen. Select the exception

a. vas deferens b. prostate c. seminal vesicle d. bulbourethral gland e. seminiferous tubule

Biology & Microbiology