FREE AND STUDY GAMES ABOUT AP CHAP 2 EXAM

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FREE AND STUDY GAMES ABOUT AP CHAP 2 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -54 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: which of the following is not a role of molecular chaperonins?

Answer:

act as a biological catalyst

Question 2: which of the following is an example of a suspension

Answer:

blood

Question 3: what happens in redox reactions?

Answer:

both decompostion and electron exchange occur

Question 4: which of the following is the major positive ion outside cells?

Answer:

sodium

Question 5: ____is fat soluble, produced in the skin on exposure to uv radiation and necessary for normal bone growth and function

Answer:

vitamin d

Question 6: which of the following is a neutralization reaction

Answer:

HCL+NaOh-NaCL+H2O

Question 7: atom x has 17 protons how many electrons are in its valence shell?

Answer:

7

Question 8: which of the following does not describe the ATP molecule

Answer:

pigments

Question 9: sucrose is a

Answer:

diasaccharide

Question 10: what is the ratio of fatty acids to glycerol in neutral fats

Answer:

3:1

Question 11: what does the formula C6H12o6 mean

Answer:

there are 12 hydrogen, 6 carbon and 6oxygen atoms

Question 12: what is a dipole

Answer:

a polar molecule

Question 13: which bonds often bind different parts of a molecule into specific three dimensional shape?

Answer:

hydrogen Question 14: 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

Answer:

2, 8, 1

Question 15: two good examples of a colloid would be jello and ___

Answer:

cytosol Question 16: carbohydrates and proteins are built up from thier basic building blocksby the ___.

Answer:

removal of a water moleculre between each two units

Question 17: which of the following statments if false

Answer:

larger partilcles move faster than smaller ones and thus collide more frequently and more forcefully Question 18: which of the following is not considered a factor in influencing a reaction

Answer:

time

Question 19: choose the answer that best describes HCO3-

Answer:

a biocarbonate ion

Question 20: which statment about enzymes is false

Answer:

enzymes raise the activation energy needed to start a reaction

Question 21: which of the following elements is necessary for proper conduction of nervous impulses

Answer:

NA

Question 22: which of the following would be regarded as an organic molecule

Answer:

CH4

Question 23: an atom with a valence of 3 may have a total of ___ electrons.

Answer:

13

Question 24: an example of a coenzyme is___.

Answer:

riboflavin

Question 25: which of the following is not an electrolyte

Answer:

h2o

Question 26: select the correct statment about isotopes

Answer:

isotopes of the same element have the same atomic number but differ in theri atomic masses

Question 27: the single most abundant protein in the body is

Answer:

collagen Question 28: select which reactions will usually be irreversible regarding chemical equilibrium in living systems

Answer:

glucose to co2 and h2o