PBS

Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and the nucleus

• deoxyribose sugar and phosphate

Which part of the nucleotide is labeled 2?

• nitrogen base

• phosphate

• deoxyribose

Tags

NGSS.HS-LS1-1

Which part of the nucleotide is labeled 3?

• deoxyribose

• nitrogen base

• phosphate

Which of the following is the most common presumptive blood test that uses phenolphthalein which reacts with hemoglobin?

• Luminol

• Leucocrystal Violet

• Kastle-Meyer

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

• Bob

• Sue

• John

• Lisa

Tags

NGSS.MS-PS1-2

The force of blood on the vessels during contraction and relaxation of the heart.

• Heart Rate

• Skin Conductivity

• Blood Pressure

• Respiration Rate

A soap manufacturer wants to prove that their detergent works better to remove tough stains. What is the dependent variable?

• Amount of detergent

• Type of detergent

• Stain removal

• Length of time washing

The amount of breaths someone takes per min

• Heart Rate

• Skin Conductivity

• Respiration Rate

• Blood Pressure

Tags

NGSS.HS-LS1-3

NGSS.HS-LS1-7