EOC Review

Question 1

If 20%of a DNA sample is made up of thymine what percentage of thesample is made up of cytosine

Accepted Answer

30%

Question 2

Plant cells for cell division are most likely found in what partof the plant?

Accepted Answer

root tips

Question 3

If several species of carnivores are removed from an ecosystem, the most likelyeffect...

Accepted Answer

An increase in the kinds of autotrophs

Question 4

Mutations within a DNA sequence are

Accepted Answer

natural processes that produce genetic diversity

Question 5

Which gas is removed from the atmosphere during photosynthesis?

Accepted Answer

carbon dioxide

Question 6

How can an insect "walk on water"?

Accepted Answer

surface tension

Question 7

Which of the following functions does active transport perform in a cell?

Accepted Answer

moving substances against a concentration gradient

Question 8

One way that humans could have a positive impact on local environments is to:

Accepted Answer

. use resources that are renewable

Question 9

The water cycle would not occur if which of the following were missing?

Accepted Answer

solar energy

Question 10

When an environment has reached its carrying capacity for a certain population....

Accepted Answer

Growth = death

Question 11

Which of the following are the reactants of photosynthesis?

Accepted Answer

carbon dioxide and water

Question 12

If a plant died from lack of food, which structure is most likely missing or damaged?

Accepted Answer

leaves

Question 13

Which of the following contain complex, membrane-bound organelles?

Accepted Answer

eukaryotic

Question 14

Which macromolecule makes up the majority of the cell membrane?

Accepted Answer

lipid

Question 15

Which type of reproduction leads to increased genetic variation on a population?

Accepted Answer

Sexual reproduction

Question 16

A plant species lives in an area with limited sunlight. Which adaptation would be most useful?

Accepted Answer

large leaves

Question 17

Which of the properties of water enable it tomove from the roots to the leaves of plants?

Accepted Answer

Water exhibits cohesive behavior.

Question 18

What is another name for the substance labeled "catalyst"?

Accepted Answer

Enzyme

Question 19

Mushrooms are a type of fungus. What characteristic of fungi makes themdifferent from plants?

Accepted Answer

Fungi are heterotrophic.

Question 20

Which cell structure is correctly paired with its primary function?

Accepted Answer

ribosome - protein synthesis

Question 21

Which process do the animals in the food web use to convert energy from food intoATP?

Accepted Answer

cellular respiration

Question 22

Which type(s) of cells have genetic material that is contained in a nucleus?

Accepted Answer

both plant and animal cells

Question 23

Which of the following would most likely cause a mutation?

Accepted Answer

the insertion of a nucleotide into DNA

Question 24

Which invention from the 17th century allowed for the development of modern celltheory?

Accepted Answer

the light microscope

Question 25

Which statement describes acomponent of the cell theory that was removed?

Accepted Answer

Cells form through spontaneous generation.

Question 26

Which of the following carries amino acids to the site of protein synthesis?

Accepted Answer

tRNA

Question 27

Which choice describes DNA after replication has taken place?

Accepted Answer

wo molecules, each with one original and one new strand

EOC Review

Questions 27

EOC Review

Questions 27