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Question 1

Seven properties of life

Answer 1

Order
Reproduction
Growth and development
Energy processing
Response to the environment
Regulation
Evolutionary adaptation

Question 2

Life hierarchy order. List from the broadest category to the category “organ”.

Answer 2

Biosphere
Ecosystem
Community
Population
Organism
Organ system
Organ

Question 3

Fungi

Answer 3

Organisms who decompose other dead organisms and organic waste, absorbing nutrients into cells

Question 4

Animal is

Answer 4

Ingest other organisms

Question 5

Plantae

Answer 5

Photosynthesize

Question 6

Archaea?????

Answer 6

Prokaryotic cells, mostly favour very extreme conditions: salty lakes, boiling hot springs

Question 7

Theory (2 points)

Answer 7

A substantiated and widely-accepted MECHANISTIC EXPLANATION of natural phenomena.

Subject to testing, revision, and refutation.

Question 8

Natural law

Answer 8

Describes events in nature that occur the same way every time under certain conditions.

Question 9

Hypothesis

Answer 9

Proposed explanation for a set of observations

Must be experimentally testable, ie. falsifiable!!

Question 10

Alternative name for independent variable

Answer 10

Experimental.

Question 11

Alternative name for dependent variable

Answer 11

Responding

Question 12

What’s an isotope?

Answer 12

Form of an element with same number of protons but different number of neutrons.

Question 13

Let’s say u have the isotope 14C. How may protons, neutrons, and electrons does it have?

Answer 13

Protons: 6
Neutrons: 14-6 = 8
electrons: same as protons; 6

Question 14

What property does a reactive atom have? (Tbt high school chemistry)

Answer 14

An incomplete valence shell.

Question 15

On the periodic table of elements, which is the most reactive group of elements?

Answer 15

1

Question 16

Name some elements from group 1 and group 8.

Answer 16

1: hydrogen, lithium, sodium
8: helium, neon, argon

Question 17

Valence

Answer 17

The bonding capacity of an atom…the # of electrons required to fill its valence shell. Hydrogen has a valence of 1.

Question 18

Covalent bond

Answer 18

2 atoms sharing 1+ pairs of outershell electrons.

Question 19

Ionic bonds:`

Answer 19

2 atoms transferring electrons, resulting in formation fo ions with opposite charges that are attracted to each other.

Question 20

Which bonds are intramolecular

Answer 20

Ionic And covalent

Question 21

Which bonds are intermolecular

Answer 21

Hydrogen

Question 22

What kinda protein structure do hydrogen bonds have

Answer 22

2* (auxiliary)
B-pleated sheets
Alpha helices

Question 23

Dehydration reaction is _____ used in ______ of polymers

Answer 23

Loss of h20 molecule

Formation of reactions

Question 24

hydrolysis is the _______ during the ____ of a polymer.

Answer 24

Gaining of an H2O molecule during breakdown fo a polymer.

Question 25

Phospholipids: which part is hydrophobic and which part is hydrophilic?

Answer 25

Hydrophilic HEAD

Hydrophobic TAIL.

Question 26

What’s the plasma membrane made out of?

Answer 26

Phospholipid bilayer

Question 27

Outer part of prokaryote

Answer 27

CAPSULE

Question 28

Little bb hairs on prokaryotic cell that aren’t flagella

Answer 28

FIMBRIAE

Question 29

Weird nucleus in prokaryote

Answer 29

NUCLEOID REGION