EOC Spiral 5

While cleaning a saltwater aquarium, students placed the aquarium plants in a container of distilled water. What effect will this have on the plants?

• The plant cells will separate.

• The plant cells will shrink.

• The plant cells will swell.

• The plant cells will remain the same.

The bacteria that cause tetanus can survive in a puncture wound that has healed on the outer surface of the skin. Through what process do these bacteria acquire the eergy they need to survive?

• aerobic respiration

• anaerobic respiration

• chemosynthesis

• photosynthesis

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which cell process will move substances against a concentration gradient?

• diffusion

• facilitated diffusion

• osmosis

• active transport

What is the purpose of transfer RNA?

• It unzips the double helix so transcription can begin.

• It retrieves amino acids from the cytoplasm from protein construction.

• It carries genetic information to the ribosome.

• It produces a complementary copy of a strand of DNA.

A human skin cell contains 46 chromosomes. How many chromosomes are present in a human sperm cell?

• 23

• 46

• 92

• 138

Tags

NGSS.HS-LS3-1

A segment of a DNA strand has the following bases: TAC GAT. What is the complementary strand of DNA?

• UAG CAU

• TAG CAT

• ATG CTA

• AUG CUA

A paleontologist is comparing the fossilized remains of two primates. Both animals had a prehensile tail. What can be concluded from this evidence?

• They were not related.

• They lived on the ground.

• They evolved from a common ancestor.

• They had bipedal locomotion.

Tags

NGSS.HS-LS4-1

What is the primary cause of variation in the offspring of sexually reproducing organisms?

• cytoplasmic division

• environmental changes

• mutation

• recombination of alleles

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

By what process is carbon dioxide removed from the atmosphere?

• combustion

• decomposition

• respiration

• photosynthesis

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which interaction best illustrates the concept of mutualism?

• aphids feeding on rose leaves

• nitrogen-fixing bacteria in root nodules of legumes

• infectious bacteria living on the blood of a host

• wolves and arctic foxes feeding on snowshoe rabbits