Into to Biology/Chemistry

Question 0

List the seven steps of the scientific method.

Answer 0

1. Observation
2. Ask a question
3. Form a Hypothesis
4. Consult existing information
5. Design an experiment to test your hypothesis
6. Collect data
7. Draw a conclusion (accept or reject your hypothesis)

Question 1

What is Science?

Answer 1

An attempt to describe/define our world. From the smallest particle to the largest organism.

Question 2

What are variables?

Answer 2

Parts of the experimental enviroment

Question 3

What are Controlled variables?

Answer 3

Variables that stay the same between experiments.

Question 4

What are Dependent variables?

Answer 4

Variables thats Outcome is changed by the Independent variable

Question 5

What are Independent variables?

Answer 5

The variable that the scientist is manipulating

Question 6

What are the two rules of an experiment in order for it to be considered validated data?

Answer 6

1. It has to be Repeatable by the experimenter (x3)

2. It has to be Reproducible by others given the same materials

Question 7

What are the 3 Considerations of experimental design?

When designing an experiment what are 3 good things to concider?

Answer 7

1. Is it Nessesary? (What will be the Advancement?)
2. Is it Feasible? (Is this Reasonable to try?)
3. Is it Ethical? (Is it within the social convictions of the time?)

Question 8

What are model organisms?

Answer 8

Organisms used in place of preferred organisms that usually are cheaper, easier & more ethical to use.

Question 9

What are some common model organisms?

Answer 9

Bacteria, Drophila, Mus Musculus

Question 10

What is Drophila?

Answer 10

Fruit flys

Question 11

Are Bacteria Procaryotes or Eucaryotes?

Answer 11

Procaryotes

Question 12

What is Mus Musculus?

Answer 12

A common house mouse

Question 13

What are Procaryotes?

Answer 13

Single celled organisms

Question 14

What are Eucaryotes?

Answer 14

Multicellular Mammals

Question 15

What are the benefits of Bacteria?

Answer 15

They reproduce rapidly (x1/hr)
Small, cheap, easy to use.
don’t require much room to grow
we understand their genetics

Question 16

What are the disadvantages of bacteria?

Answer 16

Not directly comparable to Eucaryotes.

Question 17

What does Bacteria require to survive?

Answer 17

37*C & a nutrient broth

Question 18

What do Drophila require to survive?

Answer 18

Constant controlled temperature & nutrient broth

Question 19

What are the benefits of using Drophila?

Answer 19

quick reproduction rate, sexually reproduce, small, cheap, we understand their genetics.

Question 20

What are the disadvantages of Drophila?

Answer 20

small, mobil easy to lose, limited applications to humans

Question 21

What are the benefits of Mus Musculus?

Answer 21

Quick production rate, smallish, dont require a ton of care, we understand their genetics.

Question 22

What are the disadvantages of Mus Muculus?

Answer 22

Ethics, can be a bit more costly, have to take care of them

Question 23

What makes up a Nuculus?

Answer 23

Proton + Neutron

Question 24

What is an Orbital?

Answer 24

Circular orbit view of electrons (representative model) (section)

Question 25

What is an electron cloud?

Answer 25

It shows the behavior of electrons. Full 3D model

Question 26

How many Electrons can the first orbital hold?

Answer 26

A maximum of 2 Electrons

Question 27

How many Electrons can the Subsequent orbital hold?

Answer 27

A maximum of 8.

Question 28

What are Ionic Bonds?

Answer 28

Somewhat strong, not too stabile.
Positively charged atoms are attached to negatively charged atoms.
They go together simply because opposites attract.
Subsequent, superficial no not last very long

Question 29

Hydrogen Bonds?

Answer 29

Weakest bonds. Short lived. They make up for this w/ #’s & strength.
Blending of Covenant & Ionic Bonds