Part 1 Lecture Study Guide

Question 1

Anatomy

Answer 1

The study of structure (parts) of an organism

Question 2

Organization of life

Answer 2

atom, molecule, organelle, cell, tissue, organ, organ system, organism

Question 2

Physiology

Answer 2

the study of activities of structures (parts) of an organism

Question 3

atom

Answer 3

smallest particle of an element with properties of that element

Question 4

what electrical charge does a proton have and whats its mass?

Answer 4

positive electric charge, mass~1

Question 5

what electrical charge does a neutron have and whats its mass?

Answer 5

no electrical charge, mass=1

Question 6

what electrical charge does a electron have and whats its mass?

Answer 6

negative electrcal charge, mass= 1/1600

Question 7

isotopes

Answer 7

atoms of the same element with different numbers of neutrons

Question 8

molecule

Answer 8

particles composed of more than 1 atom

Question 9

compound

Answer 9

molecule containing 2 or more different elements

Question 10

isomers

Answer 10

different molecules with the same chemical formulae

Question 11

ions

Answer 11

particles with a net electrical charge

Question 12

bonds

Answer 12

chemical connections between atoms

Question 13

ionic bond

Answer 13

the attraction between oppositely charged particles

Question 14

covalent bond

Answer 14

shared electrons

Question 15

polar bonds

Answer 15

unequal sharing of electrons

Question 16

non-polar bonds

Answer 16

equal sharing of electrons

Question 17

hydrophillic molecules

Answer 17

dissolves in water

Question 18

hydrophobic moleules

Answer 18

doesn’t dissolve in water

Question 19

Is the body made up of hydrophobic or hydrophilic things?

Answer 19

hydrophobic

Question 20

Acid

Answer 20

a chemical that can donate a proton in a solution

Question 21

base

Answer 21

chemical that can remove a proton from a solution

Question 22

salt

Answer 22

ionic substance that is neither acid nor a base

Question 23

Why is water so important

Answer 23

universal solvent, cohesive, Can absorb energy with minimal temperature change, High heat of vaporization, Most dense at 4, Stable in three states simultaneously

Question 24

What are the primary elements of life?

Answer 24

C(carbon), H(hydrogen), O(oxygen), N(nitrogen)

Question 25

What are the secondary elements of life?

Answer 25

S(sulfur),P(Phosphorus)

Question 26

Primary Ions of life

Answer 26

Na(sodium), Mg(magnesium), CI(chloride), K(potassiam), Ca(calcium), I(Iodide)

Question 27

Primary minerals of life

Answer 27

Fe(iron), Zn(Zinc)

Question 28

Why is carbon important?

Answer 28

• four free electrons
• easily binds to other carbon atoms
• capble of single, double, and triple bonds

(hydrophobic)

Question 29

What can make carbon chains hydrophobic?

Answer 29

Functional groups