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Questions from units 1,2,3,&4

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What reaction is degradative--Breaking the bonds of larger molecules into smaller molecules. While doing this it releases energy?

a)

Hydraulic

b)

Anabolic

c)

Catabolic

d)

Caloric

2.

Both Eukaryotic and Prokaryotic cells have contain all the following, except:

a)

Cytoplasm

b)

DNA

c)

Ribosomes

d)

Miochondria

3.

During alcohol fermentation, pyruvate is broken down into what two compounds?

a)

Water & Oxygen

b)

lactate acid & glucose

c)

ethanol & carbon dioxide

d)

water & carbon dioxide

4.

Which is not necessarily a characteristic of living things?

a)

homeostasis

b)

metabolism

c)

complexity

d)

reproduction

5.

Sister Chromatids separate and become individual chromosomes during which phase?

a)

Anaphase

b)

Prophase

c)

Metaphase

d)

telophase

6.

In plant cells, a structure known as _________ forms midway between the two nuclei and eventually becomes part of the cell membrane once division is complete.

a)

cell wall

b)

cell membrane

c)

cell plate

d)

cell boundary

7.

__________ is the phase where a nuclear envolope forms around chromosomes at each end of the poles and the cell pinches in the middle

a)

metaphase

b)

telophase

c)

anaphase

d)

prophase

8.

During prophase ________ move to the opposite ends of the cell and ___________ forms extending out toward the middle of the cell.

a)

cytoplasm / organelles

b)

centrioles / spindle fibers

c)

centrioles / chromatids

d)

chromatids / spindle fibers

9.

Which is not a part of the cell theory?

a)

All living things are composed of one or more cells

b)

All presently existing cells came from previously existing cells

c)

cells are free from harmful mutations

d)

cells are the basic unit of structure and function in living things.

10.

Salt (NaCl) is a form of what bonding

a)

ionic

b)

covalent

c)

free

d)

mixed

11.

Comes in two forms, rough and smooth.

a)

endoplasmic reticulum

b)

vacuoles

c)

golgi apparatus

d)

lysosomes

12.

Where in the cell does glycolysis take place?

a)

chloroplasts

b)

nucleus

c)

cytoplasm

d)

mitochondria

13.

What type of organic molecule is an enzyme?

a)

nucleic acid

b)

protein

c)

carb

d)

lipid

14.

Which is NOT an effective method to slow the spread of diseases like Cholera?

a)

Education to prevent spread

b)

Vaccination

c)

Protect / purify drinking water

d)

Condense human population into smaller area

15.

The word theory used in a scientific sense means

a)

highly tested, generally accepted principle

b)

a guess made with little knowledge to support it

c)

an absolute scientific certainty

d)

none of the above

16.

All the following are nucleic acids except

a)

A= Adenine

b)

I= Iodine

c)

G= Guanine

d)

C= Cytosine

17.

What is neutral on the pH scale

a)

1

b)

20

c)

7

d)

14

18.

The name of the process that takes place when sugars are broken down in the absence of oxygen

a)

photosynthesis

b)

oxidation

c)

fermentation

d)

respiration

19.

How many ATP molecules does it take to start glycolysis?

a)

2

b)

34

c)

1

d)

4

20.

An organic molecule contains what element?

a)

silicon

b)

carbon

c)

sodium

d)

nitrogen