A&P quiz 2

Which of the following statements is false?

Larger particles move faster than smaller ones and thus collide more frequently and more forcefully.

Select which reactions will usually be irreversible regarding chemical equilibrium in living systems.

glucose to CO2 and H2O

Carbohydrates are stored in the liver and muscles in the form of ________.

glycogen

Which property of water is demonstrated when we sweat?

high heat of vaporization

The numbers listed represent the number of electrons in the first, second, and third energy levels, respectively. On this basis, which of the following is an unstable or reactive atom?

2,8,1

Choose the statement that is false or incorrect.

A key feature of the body's metabolism is the almost exclusive use of exergonic reactions by the body.

Which of the following is not true of proteins?

They appear to be the molecular carriers of the coded hereditary information.

Which of the following is not a role of molecular chaperonins?

act as a biological catalyst

What happens in redox reactions?

both decomposition and electron exchange occur

The four elements that make up about 96% of body matter are ________.

carbon, oxygen, hydrogen, nitrogen

An example of a coenzyme is ________.

riboflavin (vitamin B2)

A chemical reaction in which bonds are broken is usually associated with ________.

the release of energy

What does CH4 mean?

there is 1 carbon and 4 hydrogen atoms

Which of the following is not considered a factor in influencing a reaction?

time

________ is fat soluble, produced in the skin on exposure to UV radiation, and necessary for normal bone growth and function.

vitamin D