Lab Test 1

Question 1

If an atom loses electron, it becomes a positively charged ______

Answer 1

Cation

Question 2

Transfer of electrons from one atom (donor) to another atom (acceptor).

Answer 2

Ionic Bond

Question 3

Occurs when atom shares electrons

Answer 3

Covalent Bond

Question 4

Atomic number and Mass of Potassium

Answer 4

Atomic Number = 19 Atomic Mass = 20

Question 5

How many atoms bond to chlorine?

Answer 5

1 Calcium, 2 Chloride

Question 6

How many pairs of hydrogen are bonded to the single carbon atom share? ____ What kind? _______

Answer 6

4, 4 Covalent Bonds

Question 7

_______ is a polar molecule

Answer 7

Water

Question 8

Fats are ______

Answer 8

Hydrophobic

Question 9

When same molecules stick together

Answer 9

Cohesion

Question 10

When different molecules stick together

Answer 10

Adhesion

Question 11

_______ lowers water tension

Answer 11

Detergent

Question 12

is the data of the experiment

Answer 12

Dependent Variable

Question 13

Other aspexts of experimental design to consider include the need to have a

Answer 13

Large sample size, repeating the same experiment and getting the same results

Question 14

What color would monosaccharides turn if you warmed it up with benedicts solution?

Answer 14

Redish Brown/ Greenish

Question 15

What color would polysaccharides or potato be with lugol’s solution?

Answer 15

Black

Question 16

What color would a protein with ninhychen?

Answer 16

Purple

Question 17

What are building blocks of protein?

Answer 17

Amino Acids

Question 18

Site of protein synthesis

Answer 18

Ribosome

Question 19

Powerhouse of the cell and arobic phase of the cellular respiration

Answer 19

Mitochondria

Question 20

Suicide bag of the cell

Answer 20

Lysosome

Question 21

Processes/sorts and delivers secratary

Answer 21

Golgi Apparatus

Question 22

Entracellular circular system

Answer 22

Endoplasmic Reticulum

Question 23

Differences in structure of transport proteins are largely responsible for membranes being

Answer 23

Selectively Permeable (different)

Question 24

The solute more from an area of high concentration to an area of low concentration

Answer 24

Diffusion

Question 25

If red blood cells shrink in a solution it is a

Answer 25

Hypertonic

Question 26

If the red blood cells swells and burst it is a

Answer 26

Hypotonic

Question 27

_______ are proteins and catalyst

Answer 27

Enzymes

Question 28

Illustrate an enymatic conversion reaction

Answer 28

heat, ph and salt concentration after protein structure

Question 29

Breaks down proteins in the stomach and best in the stomach

Answer 29

Pepsin

Question 30

The inhibitor binds to the active site of the enzyme; the substrate inhibitor are “competing for the same spot.

Answer 30

Competitive inhibition

Question 31

The site of substrate building

Answer 31

Active Site

Question 32

does not bind to the active site of an enzyme, but rather to another site on the enzyme

Answer 32

Non-Competitive inhibitors

Question 33

is also commonly applies to cuts and scrapes as a household disinfectant

Answer 33

Hydrogen Peroxide