7433671
Descrição
Quiz por Stefania Schoen, atualizado more than 1 year ago
|
Criado por Stefania Schoen
aproximadamente 8 anos atrás
|
|
Questão 1
Questão
Which of the following statements about the image shown below is NOT an observation?
Responda
-
the insect has three legs on the left side
-
the insect has a pattern on its back
-
the insect's pattern shows that it is poisonous
-
the insect is green, white, and black
Questão 2
Questão
A scientific theory is
Responda
-
the same as a hypothesis
-
a well-tested explanation that unifies a broad range of observations
-
the same as the conclusion of an experiment
-
the first step in a controlled experiment
Questão 3
Questão
When shaking sugar and sand together in a test tube, you cause them to form a
Responda
-
mixture
-
compound
Questão 4
Questão
In many cells, the structure that controls the cell's activities is the
Responda
-
cell membrane
-
nucleolus
-
organelle
-
nucleus
Questão 5
Questão
To be useful in science, a hypothesis must be correct.
Responda
- True
- False
Questão 6
Questão
A skeptical attitude in science prevents scientists from accepting new ideas.
Responda
- True
- False
Questão 7
Questão
The process in which two cells from different parents unite to produce the first cell of a new organism is called sexual reproduction.
Responda
- True
- False
Questão 8
Questão
The basic unit of matter is a cell.
Responda
- True
- False
Questão 9
Questão
An enzyme speeds up a reaction by lowering the activation energy.
Responda
- True
- False
Questão 10
Questão
The positively charged particle of an atom is called a proton.
Responda
- True
- False
Questão 11
Questão
Which of these make up atoms? (check all that apply)
Responda
-
protons
-
neutrons
-
cells
-
electrons
-
genes
-
alleles
Questão 12
Questão
Which of the following are biomolecules?
Responda
-
protein
-
lipid
-
macromolecule
-
amino acid
-
carbohydrate
-
nucleic acid
Questão 13
Questão
Despite differences in size and shape, at some point all cells have DNA and a
Responda
-
cell wall
-
mitochondrion
-
cell membrane
-
nucleus
Questão 14
Questão
In eukaryotic cells, chromosomes carrying genetic information are found in the
Responda
-
ribosomes
-
nucleus
-
lysosomes
-
cell membrane
Questão 15
Questão
The organelles that breeak down lipids, carbohydrates, and proteins into small molecules that can be used by the cell are called
Responda
-
vacuoles
-
lysosomes
-
ribosomes
-
microfilaments
Questão 16
Questão
Cell membranes contain a central bilayer formed by
Responda
-
lipids
-
carbohydrates
-
protein pumps
-
proteins
Questão 17
Questão
The movement of water molecules across a selectively permeable membrane is known as
Responda
-
exocytosis
-
endocytosis
-
phagocytosis
-
osmosis
Questão 18
Questão
A substance that moves by passive transport tends to move
Responda
-
away from the area of equilibrium
-
away from the area where it is less concentrated
-
away from the area where it is more concentrated
-
toward the area where it is more concentrated
Questão 19
Questão
Which of the following is true of ALL single-celled organisms
Responda
-
they are all prokaryotes
-
they are all bacteria
-
they all reproduce
-
they all have a nucleus
Questão 20
Questão
A tissue is composed of a group of
Responda
-
similar cells
-
organ systems
-
related organelles
-
related organs
Questão 21
Questão
Which of the following are autotrophs?
Responda
-
deer
-
plants
-
leopards
-
mushrooms
Questão 22
Questão
Which of the following is used by cells to store and release the energy needed to power cellular processes?
Responda
-
DNA
-
ATP
-
H2O
-
CO2
Questão 23
Questão
The amount of energy stored in a molecule of ATP compared to the amount stored in a molecule of glucose is
Responda
-
greater
-
less
-
the same
-
variable
Questão 24
Questão
When a candle burns, energy is released in the form of
Responda
-
carbon dioxide and water
-
the chemical substance ATP
-
light and heat
-
electricity and motion
Questão 25
Questão
In addition to light and chlorophyll, photosynthesis requires
Responda
-
water and oxygen
-
water and sugars
-
oxygen and carbon dioxide
-
water and carbon dioxide
Questão 26
Questão
The leaves of a plant appear green because chlorophyll
Responda
-
reflects blue light
-
reflects green light
-
absorbs blue light
-
absorbs green light
Questão 27
Questão
The first process in the light-dependent reactions of photosynthesis is
Responda
-
light absorption
-
electron transport
-
oxygen production
-
ATP formation
Questão 28
Questão
Light dependent reactions begin in photosystem II, [blank_start]absorbing light[blank_end]. Next comes the [blank_start]ETC[blank_end]. After that, comes the next photosystem, [blank_start]photosystem I[blank_end]. Finally comes the [blank_start]Hydrogen Ion movement and ATP formation[blank_end].
Responda
-
absorbing light
-
ETC
-
photosystem I
-
Hydrogen Ion movement and ATP formation
Questão 29
Questão
Which substance from the light-dependent reactions of photosynthesis is a source of energy for the Calvin cycle?
Responda
-
ADP
-
H2O
-
NADPH
-
pyruvic acid
Questão 30
Questão
The light-independent reactions of photosynthesis are also known as the
Responda
-
Calvin cycle
-
carbon cycle
-
sugar cycle
-
ATP cycle
Questão 31
Questão
ATP synthase in the chloroplast membrane makes ATP, utilizing the energy of highly concentrated
Responda
-
chlorophyll
-
hydrogen ions
-
electrons
-
NADPH
Questão 32
Questão
CAM plants are specialized to survive under what conditions that would harm most other kinds of plants?
Responda
-
low temperatures
-
hot, dry conditions
-
excess water
-
long day lengths
Questão 33
Questão
Cells use the energy available in food to make a final energy-rich compound called
Responda
-
water
-
glucose
-
ATP
-
ADP
Questão 34
Questão
Each gram of glucose contains approximately how much energy?
Responda
-
1 calorie
-
4 calories
-
1 Calorie
-
4 Calories
Questão 35
Questão
The process that releases energy from food in the presence of oxygen is
Responda
-
synthesis
-
cellular respiration
-
ATP synthase
-
photosynthesis
Questão 36
Questão
The first step in releasing the energy of glucose in the cell is known as
Responda
-
fermentation
-
the Krebs cycle
-
glycolysis
-
electron transport
Questão 37
Questão
The net gain of energy in glycolysis from one molecule of glucose is
Responda
-
4 ATP molecules
-
8 ADP molecules
-
2 ATP molecules
-
3 pyruvic acid molecules
Questão 38
Questão
In eukaryotes, the Krebs cycle takes place within the
Responda
-
chloroplast
-
nucleus
-
mitochondrion
-
cytoplasm
Questão 39
Questão
The electron transport chain uses the high-energy electrons from the Krebs cycle to
Responda
-
produce glucose
-
move H+ ions across the inner mitochondrial membrane
-
convert acetyl-CoA to citric acid
-
convert glucose to pyruvic acid
Questão 40
Questão
Because fermentation takes place in the absence of oxygen, it is said to be
Responda
-
aerobic
-
anaerobic
-
cyclic
-
oxygen-rich
Questão 41
Questão
The process carried out by yeast that causes bread dough to rise is
Responda
-
alcoholic fermentation
-
lactic acid fermentation
-
cellular respiration
-
yeast mitosis
Questão 42
Questão
During heavy exercise, the buildup of lactic acid in muscle cells results in
Responda
-
cellular respiration
-
fermentation
-
oxygen debt.
-
the Krebs cycle
Questão 43
Questão
The rate at which materials enter and leave the cell depends on the cell's
Responda
-
volume
-
speciation
-
weight
-
surface area
Questão 44
Questão
In order for a cell to divide successfully, the cell must first
Responda
-
duplicate its genetic information
-
decrease its volume
-
increase its number of chromosomes
-
decrease its number of organelles
Questão 45
Questão
The process that increases genetic diversity within a population is
Responda
-
asexual reproduction
-
cell division
-
sexual reproduction
-
binary fission
Questão 46
Questão
Sister chromatids are attached to each other at an area called the
Responda
-
centriole
-
spindle
-
centromere
-
chromosome
Questão 47
Questão
If a cell has 12 chromosome, how many chromosomes will each of its daughter cells have after mitosis and cytokinesis?
Responda
-
4
-
6
-
12
-
24
Questão 48
Questão
In plant cells, what forms midway between the divided nuclei during cytokinesis?
Responda
-
nuclear membrane
-
cell membrane
-
centromere
-
cell plate
Questão 49
Questão
The timing in the cell cycle in eukaryotic cells is believed to be controlled by a group of closely related proteins known as
Responda
-
chromatids
-
centromeres
-
cyclins
-
centrioles
Questão 50
Questão
Which statement does NOT describe external regulatory proteins?
Responda
-
They respond to events occurring inside a cell
-
Growth factors are one group of external regulatory proteins
-
They can speed up or slow down the cell cycle
-
Some can cause cells to slow down or stop their cell cycles
Questão 51
Questão
Bone marrow cells that produce blood cells are best categorized as
Responda
-
embryonic stem cells
-
pluripotent
-
adult stem cells
-
totipotent cells
Questão 52
Questão
Which type of cell has the potential to develop into any type of cell?
Responda
-
totipotent
-
pluripotent
-
multipotent
-
differentiated
Questão 53
Questão
Unlike mitosis, meiosis in male mammals results in the formation of
Responda
-
one haploid gamete
-
three diploid gametes
-
four diploid gametes
-
four haploid gametes
Questão 54
Questão
A gene map shows
Responda
-
the number of possible alleles for a gene
-
the relative locations of genes on a chromosome
-
where chromosomes are in a cell
-
how crossing-over occurs
Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.