biochem test

Question 1

carbohydrates

Answer 1

fast energy, have two hydrogen atoms to every one oxygen atom

Question 2

lipid

Answer 2

long term energy, more then two hydrogen to one oxygen, make up cell membrane

Question 3

protein

Answer 3

made of amino acids, muscle

Question 4

nucleic acid

Answer 4

molecules of heredity DNA

Question 5

elements

Answer 5

atoms

Question 6

compounds

Answer 6

atoms of different elements bonded together

Question 7

organic compounds

Answer 7

carbon based compounds

Question 8

ions

Answer 8

an atom or molecule with a net electric charge due to the loss or gain of one or more electrons

Question 9

isotopes

Answer 9

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons

Question 10

chemical bonds

Answer 10

form between two charged ions

Question 11

chemical reaction

Answer 11

new substance made in a reaction

Question 12

enzyme

Answer 12

made of protein, speeds up reaction rate

Question 13

metabolism

Answer 13

all of the chemical changes within an organism

Question 14

homeostasis

Answer 14

the tenancy of an organism to maintain stable internal conditions

Question 15

solution

Answer 15

mix of solvent and solutes

Question 16

acid

Answer 16

Ph 0-6

Question 17

base

Answer 17

8-14

Question 18

Ph scale

Answer 18

0-14 7=water

Question 19

ex physical change

Answer 19

broken glass

Question 20

ex chemical change

Answer 20

eating chalk

Question 21

atomic mass

Answer 21

mass of nucleus

Question 22

atomic number

Answer 22

number of electrons in stable thing

Question 23

parts of atom

Answer 23

proton neutron nucleus electron

Question 24

chemical reactions

Answer 24

change to a new substance

Question 25

smallest part of matter

Answer 25

atom