PBS Unit 1

This laboratory procedure is known as

• CLONING

• gel electrophoresis

• chromatography

• use of a dichotomous key

Tags

NGSS.MS-PS1-2

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

• convert the DNA into gel

• cut the DNA into fragments

• change the color of the DNA

• produce longer sections of DNA

Based on these results whose blood was found in the blood stain at the crime scene?

• Bob
• Sue
• John
• Lisa

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

• restriction enzymes

• gel agarose

• clotting factors

• electric shock

What are the proper complementary base-pairs?

• A--T and G--C

• A--G and C--T

• G--T and A--C

• A--C and T--G

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

• 39% Adenine

• 39% Guanine

• 39% Thymine

• 39% combined Cytosine and Guanine

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

• 22% C, 22% G, 28% A, and 28%T

• 22% C, 28% G, 22% A, and 28%T

• 28% C, 28% G, 28% A, and 28%T

• 22% C, 22% G, 22% A, and 22%T

Tags

NGSS.HS-LS3-1

Irregularly shaped cell fragments that help clot blood

• Platelets

• Lymph

• Plasma

• White Blood Cells

Contains hemoglobin, supplies body with oxygen

• Plasma

• Platelet

• White Blood Cell

• Red Blood Cell

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

• White Blood Cells

• Red Blood Cells

• Platelets

• Plasma