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Unit 4 AP Bio

Total questions: 47

Worksheet time: 24mins

Name
Class
Date
1.

Immune cells, specifically Antigen presenting cells, was an example of which type of communication

a)

Direct contact

b)

Local signaling (paracrine)

c)

Long distance signaling

d)

Local signaling (synaptic)

2.

Ligands, such as growth factors, was an example of which type of communication

a)

Direct contact

b)

Local signaling (paracrine)

c)

Long distance signaling

d)

Local signaling (synaptic)

3.

Seritonine is a neurotransmitter that is extremley important for healthy sleep. This is an example of which type of communication

a)

Direct contact

b)

Local signaling (paracrine)

c)

Long distance signaling

d)

Local signaling (synaptic)

4.

A popular product for fruit and vegetable fans are 'Debbie green bags' which can be purachsed almost anywhere. Produce is placed in a bag that allows for the escape of ethylene gas, a hormone released by plants to ripen other nearby produce. This is an example of what type of communication?

a)

Direct contact

b)

Local signaling (paracrine)

c)

Long distance signaling

d)

Local signaling (synaptic)

5.

Hormones released in the bloodstream is an example of what type of cell communication?

a)

Direct contact

b)

Local signaling (paracrine)

c)

Long distance signaling

d)

Local signaling (synaptic)

6.

Small ions or non-protein moelcules that help amplify a signal during transduction

a)

Protein phophatase

b)

Protein kinase

c)

Secondary messangers

d)

Ligands

7.

Cyclic AMP (cAMP) was an example of...

a)

Protein phophatase

b)

Protein kinase

c)

Secondary messangers

d)

Ligands

8.

A molecule respsonsible for phosphorylating intracellular signaling molecules

a)

Protein phophatase

b)

Protein kinase

c)

Secondary messangers

d)

Ligands

9.

A molecule respsonsible for de-phosphorylating intracellular signaling molecules

a)

Protein phophatase

b)

Protein kinase

c)

Secondary messangers

d)

Ligands

10.

A molecule that is recieved by either a membrane bound or intracellular receptor. Also known as a messenger

a)

Protein phophatase

b)

Protein kinase

c)

Secondary messangers

d)

Ligands

11.

Hydrolysis reaction

a)

A reaction that breaks down a moelcule by adding water

b)

A reaction that builds a moelcule by adding water

c)

A reaction that breaks down a molecule by removing water

d)

A reaction that builds a molecule by removing water

12.

Dehydration reaction

a)

A reaction that breaks down a moelcule by adding water

b)

A reaction that builds a moelcule by adding water

c)

A reaction that breaks down a molecule by removing water

d)

A reaction that builds a molecule by removing water

13.

What is the term for maintaining balanced internal environments

a)

Set points

b)

homeostasis

c)

Positive feedback

d)

Negative feedback

14.

When the effects of a stimulus is reduced this is known as

a)

Set points

b)

homeostasis

c)

Positive feedback

d)

Negative feedback

15.

When the effects of a stimulus is enhanced this is known as

a)

Set points

b)

homeostasis

c)

Positive feedback

d)

Negative feedback

16.

Example of negative feedback

a)

blood clotting

b)

Glucose levels

c)

Fruit ripening

d)

Child birth

17.

Example of positive feedback

a)

blood clotting

b)

Glucose levels

c)

Fruit ripening

d)

Child birth

18.

How many chromosomes are in this image?

a)

3

b)

6

c)

8

d)

12

19.

How many chromatins are in this image?

a)

3

b)

6

c)

8

d)

12

20.

How many centromeres are in this image?

a)

3

b)

6

c)

8

d)

12

21.

Looking at the DNA in this image, it is clear that the cells is

a)

undergoing apoptosis

b)

going about its normal function

c)

Going through meiosis

d)

going through mitosis

22.

If a skin cell undergoes 3 rounds of mitosis, how many daughter cells will there be after the 3rd round

a)

2

b)

6

c)

8

d)

10

23.

What stage of mitosis is shown

a)

Metaphase

b)

Telophase

c)

Anaphase

d)

Prophase

24.

What stage of mitosis is shown

a)

Metaphase

b)

Telophase

c)

Anaphase

d)

Prophase

25.

What stage of mitosis is shown

a)

Metaphase

b)

Telophase

c)

Anaphase

d)

Prophase

26.

What stage of mitosis is shown

a)

Metaphase

b)

Telophase

c)

Anaphase

d)

Prophase

27.

Identify the stage of mitosis:

Chromain condenses

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

28.

Identify the stage of mitosis:

Nucleoli disappears

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

29.

Identify the stage of mitosis:

Duplicated chromosomes appear as sister chromatids

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

30.

Identify the stage of mitosis:

Mitotic spindle begins to form

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

31.

Identify the stage of mitosis:

Centrosomes move away from each other

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

32.

Identify the stage of mitosis:

Nuclear envelope fragments

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

33.

Identify the stage of mitosis:

Microtubules enter nuclear area and some attach to kinetochores

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

34.

Identify the stage of mitosis:

Centrosomes are at opposite poles

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

35.

Identify the stage of mitosis:

Chromosomes line up at the metaphase plate

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

36.

Identify the stage of mitosis:

Microtubules are attached to each kinetochore

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

37.

Identify the stage of mitosis:

Sister chromatids separate and move to opposite ends of the cell due to the microtubules shortening

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

38.

Identify the stage of mitosis:

Cell elongates

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

39.

Identify the stage of mitosis:

Two daughter nuclei form

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

40.

Identify the stage of mitosis:

Nucleoli reappear

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

41.

Identify the stage of mitosis:

Chromosomes become less condensed

a)

Prophase

b)

Prometaphase

c)

Metaphase

d)

Anaphase

e)

Telophase/Cytokinesis

42.

a cleavage furrow appears due to a contractile ring of actin filaments

a)

Telophase (Animals)

b)

Telophase (Plants)

c)

Cytokinesis (Animals)

d)

Cytokinesis (Plants)

43.

vesicles produced by the Golgi travel to the middle of the cell and form a cell plate

a)

Telophase (Animals)

b)

Telophase (Plants)

c)

Cytokinesis (Animals)

d)

Cytokinesis (Plants)

44.

Cells will enter G0 state during this checkpoint

a)

G1

b)

G2

c)

G3

d)

M phase

45.

Stage where completion of DNA replication AND damage is checked

a)

G1

b)

G2

c)

G3

d)

M phase

46.

Checkpoint for microtubule attachment to chromosomes at the kinetochores at metaphase

a)

G1

b)

G2

c)

G3

d)

M phase

47.

All of the following are examples of external cell cycle regulators, except...

a)

Growth factors

b)

contact/density inhibition

c)

anchorage dependancy

d)

All of these are examples

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