If you were asked to provide a "ballpark estimate" of global atmospheric CO2 concentrations at the beginning of the industrial revolution (17501850), you would choose:
A) 3 ppm.
B) 30 ppm.
C) 300 ppm.
D) 3000 ppm.
Ans: C) 300 ppm.
Biology & Microbiology
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Twenty different types of amino acids are used to make proteins
a. True b. False Indicate whether the statement is true or false
Biology & Microbiology
Which hormone causes a decrease in fat storage and an increase in synthesis of muscle proteins?
a. growth hormone b. oxytocin c. prolactin d. adrenaline e. epinephrine
Biology & Microbiology
The era during which the earliest signs of life appeared was the
a. Archean b. Paleozoic c. Mesozoic d. Cambrian e. Cenozoic
Biology & Microbiology
In an analysis of a new bacterial species, a microbiologist finds that the bacteria has an outer layer comprised primarily of proteins. This layer of proteins is known as a glycocalyx.
Answer the following statement true (T) or false (F)
Biology & Microbiology