8th grade summer Friday quiz 1

Capillary action is the result of adhesion. Which aspect of water is responsible for this?

• Nonpolar covalent bonds that enable water to dissolve other substances
  
• Polar covalent bonds that join molecules of water to other substances
• Hydrogen bonds between water and another substance
• Ionic bonds that enable electrons to flow through water and into another substance

Fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.

• temperature and pH

• Lipids

• Prokaryote

• organelles

A cell structure that controls which substances can enter or leave the cell.

What are the building blocks of proteins called?

• DNA

• RNA

• Ribosomes

• Amino Acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

What ratio of the offspring from the cross shown will be homozygous recessive for the  trait of tallness? 

• 0 in 4
• 1 in 4
• 2 in 4
• 4 in 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Mutations can be negative because

• They can cause cancer

• They can cause birth defects

• They can help an organism thrive in its environment.

• They can affect offspring.

Tags

NGSS.HS-LS3-2

The flower of the yucca plant provides the only location where the yucca moth can lay her eggs. In the process, the moth pollinates the yucca flower. What type of symbiotic relationship is this?

• mutualism
• commensalism
• parasitism
• predation

Tags

NGSS.MS-LS1-4

• A

• B

• C

• D

• F

• G

• H

• J

Tags

NGSS.HS-PS1-2

The physical appearance of an organism.

• homozygous

• heterozygous

• genotype

• phenotype