A person's energy requirement per kilogram of body weight is highest during this stage of a person's life. 

A. first twelve months of life
B. adulthood
C. adolescence
D. None of these answers is true.


A. first twelve months of life

Biology & Microbiology

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Unique parts of bacterial cells are ___,___ and ___

Fill in the blank(s) with the appropriate word(s).nucleoid region, capsule and pilus

Biology & Microbiology

The resting potential of a typical neuron is approximately +70 mV

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

The ranges of the red-legged frog and the yellow-legged frog overlap in California. The red-legged frog (Rana aurora, left) breeding season lasts from January to March. The closely related yellow-legged frog (Rana boylii, right) breeds from late March through May. What type of reproductive isolating mechanism is mainly responsible for keeping these two species separate?

A. habitat isolation B. mechanical isolation C. temporal isolation D. gamete isolation E. behavioral isolation

Biology & Microbiology

If you want to set up a controlled experiment to determine the effects of caffeine on sleeping behavior in mice, you take a group of mice and divide it into two groups. Both are fed the same food, both are watered, both have 12 hours daylight, and 12 hours dark. Group one is given caffeine. What is appropriate to give to group two? 

A. 2 ´ amount of caffeine B. 1/2 ´ amount of caffeine C. No caffeine D. Caffeine in different form

Biology & Microbiology