PLTW BIOmed review 1

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

Gel electrophoresis separates fragments of DNA by:

• Size/weight

• Genes

• Base pairs

• Electromagnetic charge

Irregularly shaped cell fragments that help clot blood are…

• Platelets

• Lymph

• Plasma

• White Blood Cells

Contains hemoglobin, supplies body with oxygen

• Platelet

• Plasma

• Red Blood Cell

• White Blood Cell

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

• Marrow

• Plasma

• Proteins

• Urea

This is when the body changes heat after death.

• Algor Mortis

• Rigor Mortis

• Livor Mortis

The major organ of this system is the brain

• Circulatory System

• Digestive System

• Nervous System

• Immune System

Tags

NGSS.MS-LS1-8

This system transports essentials and removes wastes to and from the cells of the body.

• Circulatory

• Excretory

• Respiratory

• Integumentary

What is the structure of purines?

• A single 5 carbon ring

• A single 6 carbon ring

• A double ring with one six carbon and one 5 carbon ring

• A double ring with two four carbon rings