Building Blocks in Life Science Chapters 13-14

Question 1

The Bible says living things are made of (not by) “dust,” simple “earthly” substances like the hydrogen, oxygen, nitrogen, carbon, and phosphorus that make up over 95 percent of “living matter.” Write the symbols for these five kinds of atoms: _____, _____, _____, _____, _____.

Answer 1

H, O, N, C, P

Question 2

regulate what gets in and out of the cell

Answer 2

membranes

Question 3

large proteins with “active sites” that hold molecules with matching shapes for speedy reaction

Answer 3

enzymes

Question 4

pass hereditary instructions from one generation to the next

Answer 4

DNA

Question 5

consist of proteins in a phospholipid bilayer

Answer 5

membranes

Question 6

used as a code to “tell” the cell how to make proteins, including enzymes

Answer 6

DNA

Question 7

provide energy to make “build up” reactions go faster than “break down”

Answer 7

ATP

Question 8

select which molecules get an “energy boost”

Answer 8

enzymes

Question 9

provides the motion to molecules that make life possible

Answer 9

water

Question 10

provides the motion that destroys structure and can bring death

Answer 10

water