a single element with same number of protons but differentnumber neutrons

What are the two stages of photosynthesis?

light dependent and calvin cycle

How do you find the mass of an atom

add the number of protons and neutrons

a pure substance made up of one type of atom

a comination of two or more elements

are simpler and do not have a nucleus

The levels of organization in multicellular organisms is

cells, tissues, organs, organ systems

What are the four Macromolecules?

carbohydrates, lipids, nucleic acids, proteins

a compound that prevents sharp, suddent changes in pH

a mixture where teh compoenets are evenly distributed

a compond that forms positive hydrogen ions in a solution

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Biology Review- April

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Questions 31

Answers

1
What is an example of nucleic acids?
glucose
oils
DNA
proteins
2
Photosynthesis takes place in what organelle?
cell wall
nucleus
ribosomes
chloroplasts
3
An isotope is
an example of a covalent bond
a single element with same number of protons but differentnumber neutrons
when two atoms share an electron
a pure substance made up of one type of atom
4
Remember the lock and key example. What two things fit together fit together?
cellular respiration and photosynthesis
lipids and carbohydrates
substrates and enzymes
protons and neutrons
5
What are the two stages of photosynthesis?
light dependent and stroma
light dependent and calvin cycle
thylakoid and calvin cycle
stroma and thylakoid
6
How do you find the mass of an atom
add the number of protons and neutrons
add the number of protons and isotopes
the number electrons
add coffee and pizza
7
An element is
an example of a covalent bond
a pure substance made up of one type of atom
when two atoms share an electron
a single element with same number of protons but differentnumber neutrons
8
When the concentration of two solutions is the same it is called
hypertonic
diffusion
isotonic
hyponic
9
When comparing two solutions, the solution with the lesser concentration of solutes is called
isotonic
hyponic
hypertonic
diffusion
10
What atom is neutral?
neutrons
isotopes
protons
electrons
11
Testing hypotheses often involves designing experiments. The factor that is observed and measured in experiments is the
control group
bias
mitochondria
dependent variable
12
Cellular Respiration takes places in the
nucleus
mitochondria
cell wall
chloroplast
13
A compound is
a comination of two or more elements
a single element with same number of protons but differentnumber neutrons
a type of maze
a pure substance made of one type of atom
14
What are the three stages of cellular respiration?
calvin cycle, krebs cycle, ETC
glycolysis, krebs cycle, ETC
Light Dependent reactions, Calvin Cycle, ETC
ETC, matrix, Krebs cycle
15
Prokaryotes
are more complex and have a nucleus
are plant and animal cells
are simpler and do not have a nucleus
have chloroplasts
16
The levels of organization in multicellular organisms is
nucleic acid, carbohydrates, lipids, proteins
protons, nuetrons, electrons
cells, organs, organ systems, people
cells, tissues, organs, organ systems
17
What are the four Macromolecules?
carbohydrates, lipids, nucleic acids, proteins
acids, lipids, nucleic acids, proteins
proton, neutron, electron, nucleus
carbohydrates, lipids, buffers, proteins
18
What is a buffer?
a compound with an amino group on one end and carboxyl group on the other
a compound that prevents sharp, suddent changes in pH
a compound that produces hydroxide ions in a solution
a compond that forms positive hydrogen ions in a solution
19
When comparing two solutions, the solution with the greater concentrations of solutes is called
hypertonic
isotonic
diffusion
hyponic
20
When an organism makes its own food it is called
a heterotroph
cellular respiration
glucose
an autotroph
21
A solution is
a single element with same number of protons but differentnumber neutrons
a mixture where teh compoenets are evenly distributed
a pure substance made of one type of atom
an example of an isotope
22
Electrons are
negatively charged
doing the electric slide
equal to the mass of an atom
are the best part of an atom
23
What organelle is only found in plant cells(not animal cells)?
nucleus
lysosomes
cytoskeleton
cell wall
24
What is exposed to the same conditions as the experimental group except for the changes in the independent variable
dependent variable
inferences
control group
DNA
25
Diffusion of what through a selectively permeable membrane is called
osmosis
photosynthesis
cellular respiration
glycolysis
26
Where are protons and neutrons found?
in biology class
in the mitochondria
in the nucleus
in the cell cycle
27
After a run, a person feels thirsty. Thirst is the body's way of saying they need more water to maintain
homeostatisis
control group
independent variable
bias
28
What is an acid?
a compound that prevents sharp, suddent changes in pH
a compound with an amino group on one end and carboxyl group on the other
a compond that forms positive hydrogen ions in a solution
a compound that produces hydroxide ions in a solution
29
What is a base?
a compond that forms positive hydrogen ions in a solution
a compound that prevents sharp, suddent changes in pH
a compound with an amino group on one end and carboxyl group on the other
a compound that produces hydroxide ions in a solution
30
What organelle contains the genetic material?
lysosomes
nucleus
ribosomes
cell wall
31
G1, S, G2, and M phase are the
cytokinesis
chromosomes
eukaryotic cell cycle
mitosis

Biology Review- April Flashcards | StudBud