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CA6 Live Bell-Ringer Challenge

Total questions: 21

Worksheet time: 16mins

Name
Class
Date
1.
Important to the structural integrity of plant cells, this is the single most popular polysaccharide in the world.
a)
Starch
b)
Glycogen
c)
Cellulose
d)
Chitin
2.
surrounds the cell; controls what enters/leaves cell; maintains homeostasis
a)
vacuole
b)
cell wall
c)
cell membrane
d)
lysosome
3.

It is a long chain of sugar, that make the cell wall elastic

a)

Glucose

b)

Pectin

c)

Lignin

d)

Cellulose

4.
This polysaccharide is important to the structure of plant cell walls, 
a)
Starch
b)
Glycogen
c)
Cellulose
d)
Chitin
5.

What is denaturation?

a)

bonds that hold large protein molecules together in compact, folded bundles

b)

the chemical bonds have broken and the protein molecule has unfolded and changed shape

c)

the joining together of lots of denatured proteins molecules, which changes the appearance and texture of the food.

6.

a protein molecule that has unfolded and changed shape has:

a)

Denatured

b)

Coagulated

7.

the amount of energy needed to start the reaction

a)

activation energy

b)

catalyst

c)

specificity

8.

a substance that speeds up a chemical reaction without being consumed or changed in the process

a)

activation energy

b)

catalyst

c)

specificity

9.
What is the correct order of the phases of mitosis?
a)
Prophase
 Anaphase
Metaphase
Telophase
b)
Prophase
Metphase
Anaphase
Telophase
c)
Interphase
Cytokinesis
Metaphase
Prophase
d)
Interphase
Prophase
Metphase
Telophase
10.

During which of the following stages shown in the image does cytokinesis take place?

a)

gap 1

b)

synthesis

c)

gap 2

d)

mitosis

11.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
12.

According to the image, where does Passive Diffusion take place?

a)

1

b)

2

c)

3

d)

4

13.

The polymer called Proteins are made of the monomers....

a)

Nucleic Acids

b)

Amino Acids

c)

Glucose/Monosaccharides

d)

Glycerol

e)

Fatty Acids

14.

The monomer Amino acids make up the polymer....

a)

Proteins

b)

Lipids

c)

Nucleic Acids

d)

Carbohydrates

15.

The monomer Nucleotides make up the polymer....

a)

Proteins

b)

Lipids

c)

Nucleic Acids

d)

Carbohydrates

16.

The monomer Glucose/Monosaccharides make up the polymer....

a)

Proteins

b)

Lipids

c)

Nucleic Acids

d)

Carbohydrates

17.

The diagram illustrates an embryonic stage of two organisms. Which of the following can be determined by observing the embryos shown in the diagrams?

a)

The organisms share a common ancestry

b)

The organisms belong to the same genus

c)

The organisms are native to the same geographic areas

d)

The organisms will grow into anatomically similar adults

18.

In the diagram, the dotted line is a membrane only permeable to water. What would happen to the liquid levels over time?

a)

Water will travel to side B, making the level higher on side B.

b)

Water will travel to side A, making the level higher on side B.

c)

Water will travel to side B, making the level higher on side A.

d)

Water will travel to side A, making the level higher on side A.

19.
What is the most abundant substance in a living cell?
a)
protein
b)
water
c)
calcium
d)
yolk
20.
Perhaps we could attach a color dye to the salt to see if it can make it through the semi-permeable membrane.  What do you think:  Can salt move through the membrane into the egg?
a)
yes (molecule is small enough)
b)
no (molecule is too large)
21.

Information in DNA is transcribed to RNA and then translated to make specific proteins in which process?

a)

Gene expression

b)

Gene technology

c)

Eukaryotic expression

d)

Prokaryotic expression