Semester 1 Exam Review

Question 1

#10 represents which organelle that produces the spindle fibers to separate chromosomes

Accepted Answer

centrioles

Question 2

Which is found in greater #s in muscle cells because of their large energy requirement?

Accepted Answer

Mitochondria

Question 3

If a cell does not have nucleus, the organism is a(n)..

Accepted Answer

prokaryote

Question 4

#7 represents which organelle which acts as a barrier by controlling what goes in and out

Accepted Answer

cell membrane

Question 5

A type of active transport when the cell membrane folds in to bring substances in the cell

Accepted Answer

Endocytosis

Question 6

Which macromolecules are made up of building blocks containing amino acids?

Accepted Answer

proteins

Question 7

When are gametes produced in organisms?

Accepted Answer

During meiosis

Question 8

The monomer of a nucleic acid is a nucleotide

Accepted Answer

true

Question 9

In which stage of the cell cycle does the amount of DNA double?

Accepted Answer

S Phase

Question 10

B/c we do cellular respiration, we breathe in O2 as a reactant and exhale what gas as a product

Accepted Answer

carbon dioxide

Question 11

Cytokinesis divides a cell. The fluid-filled space within the cell that cytokinesis divides is

Accepted Answer

cytoplasm

Question 12

What do we call chromosome pairs that contain the same genes, but may have different alleles?

Accepted Answer

Homologous

Question 13

What type of transport requires energy from ATP to move substances across membranes

Accepted Answer

active

Question 14

What is the end result of meiosis?

Accepted Answer

Four haploid cells

Question 15

The variable changed by the scientist is called the..

Accepted Answer

Independent

Question 16

Which process most contributes to genetic variation in a population?

Accepted Answer

Crossing over during meiosis

Question 17

During diffusion, molecules move

Accepted Answer

from higher concentration to lower concentrations

Question 18

Which of the illustrations represents a cell in a hypertonic solution?

Accepted Answer

c. (shrunken red blood cell)

Question 19

Which cellular process converts solar (light) energy from the sun into chemical energy

Accepted Answer

photosynthesis

Question 20

In which stage of the cell cycle does the cell prepare for mitosis?

Accepted Answer

G2 Phase

Question 21

Which indicator test separates into 2 layers with the top red as an indication for lipids?

Accepted Answer

Sudan Red

Question 22

C6H12O6 + 6 O2 --> 6 CO2 + 6H2O + 36 ATP Which process does this equation represent?

Accepted Answer

aerobic respiration

Question 23

Which macromolecule is made of carbon, hydrogen, and oxygen atoms, usually in a 1:2:1 ratio?

Accepted Answer

carbohydrates

Question 24

The elements or compounds that enter into a chemical reaction are called...

Accepted Answer

Reactants

Question 25

The structure is the monomer of which macromolecule?

Accepted Answer

carbohydrate

Question 26

What is the end result of mitosis?

Accepted Answer

Two diploid cells

Question 27

The diagram represents a fat molecule. A fat molecule belongs to which organic molecules?

Accepted Answer

lipid

Question 28

Organelle that modifies, sorts, and packages materials from the ER for storage or secretion

Accepted Answer

Golgi apparatus

Question 29

What are proteins that act as biological catalysts to speed up chemical reactions?

Accepted Answer

enzymes

Question 30

Experiments should be repeated multiple times to test the conclusion

Accepted Answer

true

Question 31

In which stage of the cell cycle is the cell growing and carrying out its normal functions?

Accepted Answer

G1 Phase

Question 32

Which process produces ATP energy by breaking down glucose?

Accepted Answer

Cellular respiration

Question 33

Which of the illustrations represents a cell in a hypotonic solution?

Accepted Answer

b. (swollen red blood cell)

Question 34

Which macromolecule stores and transmits genetic information?

Accepted Answer

nucleic acids

Question 35

Cellular respiration takes place in the mitochondria.

Accepted Answer

true

Question 36

#2 represents which organelle where the DNA is located

Accepted Answer

nucleus

Question 37

Buriets Indicator solution will turn yellow in the presence of proteins.

Accepted Answer

false

Question 38

Which of the following structures is found in all prokaryotic and eukaryotic cells?

Accepted Answer

Ribosome

Question 39

Which organelle does photosynthesis occur in?

Accepted Answer

chloroplast

Question 40

How many total ATP molecules are produced from the breakdown of glucose in aerobic respiration?

Accepted Answer

36

Question 41

Which organelle is found in the cytoplasm or on the rough er and synthesizes proteins?

Accepted Answer

Ribosomes

Question 42

DNA and RNA are examples of which macromolecule?

Accepted Answer

nucleic acids

Question 43

Which molecule listed in the chart is a protein?

Accepted Answer

4

Question 44

Why do our bodies produce more cells using mitosis?

Accepted Answer

To produce identical cells for growth and repair

Question 45

Some microorganisms produce energy in oxygen-free environments through the process of

Accepted Answer

anaerobic respiration

Question 46

Which of the illustrations represents a cell in a isotonic solution?

Accepted Answer

a. (normal red blood cell)

Question 47

What is being measured when grams are the unit of measurement?

Accepted Answer

mass

Question 48

What are chromosomes

Accepted Answer

tightly coiled DNA

Question 49

What is the first step of the scientific method?

Accepted Answer

observe

Question 50

Plant and animal cells are both examples of what cell types?

Accepted Answer

Eukaryotic

Semester 1 Exam Review

Questions 50

Semester 1 Exam Review

Questions 50