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PLTW Principles of Biomedical Science - Midterm Review

Total questions: 48

Worksheet time: 44mins

Name
Class
Date
1.

This laboratory procedure is known as

a)

CLONING

b)

gel electrophoresis

c)

chromatography

d)

use of a dichotomous key

2.

In preparation for an electrophoresis procedure, enzymes are added to DNA in order to

a)

convert the DNA into gel

b)

cut the DNA into fragments

c)

change the color of the DNA

d)

produce longer sections of DNA

3.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
4.
Which suspect is likely guilty?
a)
Suspect #1
b)
Suspect #2
c)
Suspect #3
5.
In gel electrophoresis, the largest DNA fragment will appear
a)
closest to the starting wells
b)
farthest from the starting wells
c)
three quarters away from the starting wells
d)
it depends on how many fragments there are
6.

Once DNA has been extracted from the nucleus of a cell, it is exposed to ______ ______ that act like biochemical scissors to cut the DNA.

a)

restriction enzymes

b)

gel agarose

c)

clotting factors

d)

electric shock

7.

Gel electrophoresis separates fragments of DNA by:

a)

Size/weight

b)

Genes

c)

Base pairs

d)

Electromagnetic charge

8.

In a DNA fingerprint, lighter-weight fragments can be found at the:

a)

Top

b)

Bottom

c)

Middle

d)

Front

9.

What are the proper complementary base-pairs?

a)

A--T and G--C

b)

A--G and C--T

c)

G--T and A--C

d)

A--C and T--G

10.

If a strand of DNA has 39% Cytosine, it has...

a)

39% Adenine

b)

39% Guanine

c)

39% Thymine

d)

39% combined Cytosine and Guanine

11.

If there is 22% Cytosine, how much of all the other bases are there?

a)

22% C, 22% G, 28% A, and 28%T

b)

22% C, 28% G, 22% A, and 28%T

c)

28% C, 28% G, 28% A, and 28%T

d)

22% C, 22% G, 22% A, and 22%T

12.

Irregularly shaped cell fragments that help clot blood

a)

Platelets

b)

Lymph

c)

Plasma

d)

White Blood Cells

13.

Contains hemoglobin, supplies body with oxygen

a)

Plasma

b)

Platelet

c)

White Blood Cell

d)

Red Blood Cell

14.

Fight bacteria and viruses by entering infected tissue, destroying bacteria/viruses and absorb dead blood cells

a)

White Blood Cells

b)

Red Blood Cells

c)

Platelets

d)

Plasma

15.

Select all answers that represent a "Blood Type"

a)

O

b)

AO

c)

BO

d)

AB

e)

A

16.

The liquid part of blood made of mostly water; nutrients, minerals and oxygen are dissolved

a)

Marrow

b)

Plasma

c)

Proteins

d)

Urea

17.
platelets are also known as
a)
leukocytes
b)
erthryocytes
c)
thrombocytes
d)
monocytes
18.
white blood cells are also known as
a)
thrombocytes
b)
erthryocytes
c)
monocytes
d)
leukocytes
19.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
20.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
mitochondria
21.
I am the outer most layer of an animal cell. What am I?
a)
cell wall
b)
nucleus
c)
cell membrane 
d)
cell skin
22.
What organelle is called the "powerhouse" of a cell?

a)
Endoplasmic Reticulum
b)
Nucleus
c)
Mitochondria
d)
Nucleolus
23.
Consists of a jellylike substance that contains many organelles.
a)
ribosomes
b)
cytoplasm
c)
chloroplasts
d)
cell wall
24.
Controls what enters/leaves a cell
a)
cell membrane
b)
Nuclear membrane
c)
cell wall
d)
cytoplasm
25.
hold/store water, mainly found in plant cells
a)
nuclolus
b)
ribosomes
c)
golgi bodies
d)
vacuoles
26.
jello-like material, fills the space between cell organelles, is where many chemical reactions occur
a)
cytoplasm
b)
chromatin
c)
chloroplast
d)
cell membrane
27.
Converts food into usable energy for the cell
a)
Mitochondria
b)
Chloroplast
c)
Nucleus
d)
Vacuole
28.
Controls the cell and contains DNA
a)
Nucleus
b)
Mitochondria
c)
Chloroplast
d)
Cell Wall
29.

Proteins are produced at this organelle.

a)

golgi body

b)

ribosome

c)

cytoskeleton

d)

cilia

30.

this organelle makes ATP.

a)

chloroplast

b)

mitochondria

c)

ribosome

d)

nucleolus

31.

Yhis organelle packages and processes proteins

a)

Smooth ER

b)

Rough ER

c)

Golgi body

d)

vacuole

32.

Name the primary finger print pattern

a)

Loop

b)

Whorl

c)

Arch

d)

Accidental

33.

Name the primary finger print pattern

a)

Loop

b)

Whorl

c)

Arch

d)

Accidental

34.

Name the primary finger print pattern

a)

Loop

b)

Whorl

c)

Arch

d)

Accidental

35.
This is when the body changes heat after death.
a)
Algor Mortis
b)
Rigor Mortis
c)
Livor Mortis
36.

The major organ of this system is the brain

a)

Circulatory System

b)

Digestive System

c)

Nervous System

d)

Immune System

37.

What does the excretory system do?

a)

gets rid of waste that your body sees as poison

b)

controls what you do

c)

moves blood throughout your body

d)

breaks food down so we can be healthy

38.

What does the digestive system do?

a)

gets ride of the waste in our body that it sees as poison

b)

moves blood throughout the body

c)

breaks down food so we can be healthy

d)

controls the muscles in our body by making them work together

39.
This system transports essentials and removes wastes to and from the cells of the body.
a)
circulatory
b)
respiratory
c)
skeletal
d)
integumentary
40.
This system supplies the body with oxygen and rids it of carbon dioxide.
a)
circulatory
b)
respiratory
c)
muscular
d)
nervous
41.
This system provides a framework for the body.
a)
muscular
b)
integumentary
c)
skeletal
d)
excretory
42.
This system includes the skin, hair, and nails.
a)
integumentary
b)
nervous
c)
skeletal
d)
muscular
43.
This system filters and removes liquid wastes from the body.
a)
endocrine
b)
digestive
c)
circulatory
d)
excretory
44.
This system receives and proccesses information.
a)
respiratory
b)
immune
c)
nervous
d)
endocrine
45.
This system processes food to provide the body with nutrients. 
a)
digestive
b)
excretory
c)
endocrine
d)
circulatory
46.
This system is the body's defense against attack.
a)
endocrine
b)
excretory
c)
muscular
d)
immune
47.
This system allows for movement of the body.
a)
skeletal
b)
nervous
c)
muscular
d)
integumentary
48.
This system secretes chemical messages (hormones) to different parts of the body.
a)
excretory
b)
endocrine
c)
digestive
d)
immune

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