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WorksheetsAdvanced Bio 1st 9 Weeks Tests (Stump)
Total questions: 141
Worksheet time: 1hrs 14mins
biology is the study of:
minerals
energy
pluto
life
In multicellular organisms, cells are organized into:
organs
organisms
organ systems
tissues
About 12-24 hours after the last meal, a person’s blood sugar level normally varies from 60 to 90 milligrams per 100 milliliters of blood, although it may rise to 130mg/ 100 ml after meals high in carbohydrates. That the blood sugar level is maintained within a fairly narrow range despite uneven intake of sugar is due to the body's ability to carry out:
adaption
inheritance
metabolism
homeostasis
all of these
tree finches and ground finches are descended from a common ancestor. This example represents which theme in biology?
interdependence
homeostasis
unity and diversity
evolution
organisms that make their own food through photosynthesis are called:
autotrophs
heterotrophs
homeostasis
bacteria
Ecology:
refers to change in a group of animals over time
refers to the delicate internal balance within organisms
is a study of rocks and minerals
is the study of the relationship between an organism and its environment
the chemical processes in the living cells are collectively called:
adaptation
homeostasis
respiration
metabolism
the principal point of Charles Darwin's Theory of evolution was that:
organisms that are the strongest survive
organisms will evolve during their lifetime to better fit their environment
organisms with adaptations that better fit their environment will more likely survive to pass the adaptations to their offspring
all of the above
none of the above
the smallest units that can carry on all the functions of life are called:
molecules
organelles
cells
atoms
a scientist noticed that in acidic pond water some salamanders developed with curved spines. This was a(n)
hypothesis
theory
control
observation
a butterfly is ____________. choose all that apply.
an organism
a species
heterotroph
multicellular
autotroph
you have been injured in the laboratory (cut, burned, etc.) First you should:
visit the school nurse
tell the teacher at once
apply first aid yourself
text your mother
The American researchers Martha Chase and Alfred Hershey wanted to determine whether it was DNA or protein that was the hereditary material for life. Based on their observations and research, they suggested that DNA was the causative agent for hereditary. This suggestion was a:
hypothesis
inference
theory
conclusion
Development occurs by:
mitosis and meiosis
cell division and cell enlargement
organization and reproduction
cell division and cell differentiation
The word theory used in a scientific sense means:
a highly tested, generally accepted principle
an educated guess
an absolute scientific certainty
none of the above
During a controlled experiment, a scientist isolates and tests
a conclusion
a mass of information
a control group
a single variable
Who reviews articles for peer-reviewed journals?
lawmakers
anonymous and independent experts
the scientist that did the experiments
the company that paid for the experiments
the resolution of a microscope refers to:
its ability to increase an objects apparent size
its ability to show detail clearly
its series of interchangeable objective lenses
its power to scan the surface of an object
A _______ ________ microscope passes a beam of electrons through a thin slice of the specimen (no acronyms)
(a)
A ________ ________ microscope passes a beam of electrons over a specimen's outer surface (no acronyms)
(a)
A light microscope that has an ocular lens of 10X and an objective lens of 20X has a total magnification of:
200X
2000X
30X
300X
To observe a small living organism, a scientist might use a(n);
electronic balance
compound light microscope
electron microscope
telescope
The presence of viruses inside a cell can best be seen using a:
compound light microscope
trnasmission electron microscope
scanning electron microscope
MRI
What kind of ion forms when an atom gains an electron?
neutral
positive
negative
compared to 31P, the radioisotope 32P has:
a different atomic number
one more neutron
one more proton
one more electron
a different charge
The way in which elements bond to from compounds depends on which of the following?
the model of the atom
the structural formula of the compoud
the dissociation of the ions in the compound
the number and arrangment of electrons in the atoms of the elements
a molecule that has a partial negative charge on one side and a partial positive charge on the other side is called a(n);
polar molecule
nonpolar molecule
ion
bipolar molecule
Why does a water molecule hydrogen bond like this?
because polar molecules bond positive to positive
because polar molecules bond positive to negative
because polar molecules bond negative to negative
because non-polar molecules bond negative to positive
the hydogen atoms and the oxygen atoms have (a) charges which make the attracted to each other
Give an example of a biological base:
(a)
acidic solutions have a pH that is:
less than 7
between 0 and 14
more than 7
neutral
a solution with a pH of 8 has how many times fewer hydrogen ions than a solutionwith pH of 6?
2
4
10
100
1000
substances that cannot be broken down chemically into simpler types of matter
isotope
element
matter
mass
the measure of the amount of matter in an object
ion
proton
neutron
mass
positively charged sub-atomic particle
proton
neutron
electron
element
example of an ionic compound
H20
weight
salt NaCl
mass
an atom or molecule with an electrical charge
proton
neutron
electron
ion
force produced by gravity acting on mass
weight
mass
ion
element
high energy, negatively charged subatomic particles that orbit the nucle
neutron
proton
electron
matter
example of a molecular compound
ion
isotope
salt NaCl
H2O
the bond that forms between the atoms of glucose
covalent
hydrogen
ionic
The bond type that holds 2 molecules of water together
covalent
hydrogen
ionic
the bond that is formed by the sharing of valence electrons
covalent
hydrogen
ionic
the bond that breaks when salt dissolves in water
covalent
hydrogen
ionic
the bond that is formed when atoms are attracted to each other due to opposite charges
covalent
hydrogen
ionic
the bond that holds the sugars and phosphates together on the outside of the DNA ladder
covalent
hydrogen
ionic
the bond that holds a water molecule together
covalent
hydrogen
ionic
BE ABLE TO LABEL THE 10 PARTS OF A MICROSCOPE: eyepiece, arm, coarse adjustment, fine adjustment, base, lamp, diaphram, stage clips, stage, and objective lens
this ones right
this one is wrong
carbon is different from many other elements in that:
it has four valence electrons
it readily forms bonds with other carbon atoms
it readily forms bonds with other carbon atoms
all of the above
The four main categories of macromolecules in in a cell are:
proteins, DNA, RNA, and steroids
proteins, nucleic acids, carbohydrates, and lipids
monosaccharides, lipids, polysaccharides, and proteins
nucleic acids, carbohydrates, monosaccharides, and proteins
the breakdown of polypeptides into amino acids occurs through a process called:
adhesion
cohesion
condensation
hydrolysis
which of the following is NOT true about organic compounds?
a) contain functional groups
b) always contain carbon, hydrogen, oxygen, and nitrogen
c) are drived from living things
d) are produced through condensation reactions
e) both a and b are not true
variations in the properties of different organic molecules are most closely associated with:
the number of carbon atoms comprising the molecules skeleton
the presence or absense of double bonds
the type of functional groups they contain
the orientation of the carbon skeleton, either as a ring or linear
which of the functional groups is water soluble because it has a functional group making it an alcohol
carboxyl
amino
hydroxyl
phosphate
Which functional group reduces the amount of hydrogen ions and is therefore considered an organic base?
amino
phosphate
carboxyl
hydroxyl
Which diagram is the carboxyl functional group?
Which functional group is involved in energy transfer?
hydroxyl
carboxyl
amino group
phosphate group
how can you tell if a molecule is saturated?
double bond between carbon
no carbon double bond
which of the following is a structural polysaccharide?
collagen
chitin
starch
keratin
the monomer of cellulose is:
a monosaccharide
a fatty acid
an amino acid
a nucleotide
carbon, hydrogen, and oxygen are the elements that compose:
carbohydrates
lipids
both a and b
neither a or b
which of the following is a disaccharide?
glucose
galactose
lactose
cellulose
which of the following terms includes all others in the list?
monosaccharide
disaccharide
starch
carbohydrate
polysaccharide
These three molecules are:
monosaccharides
simple sugars
isomers
all choices are correct
none are correct
all the following are lipids except
saturated fats
cellulose
testosterone
triglycerides.
what is the reason why hydrocarbons are not soluble in water
they are large molecules
the C-H bond is polar
the C-H bond is nonpolar
they are hydrophilic
the C-H bond is a high energy bond
the organic macromolecule that stores genetic information for the cell is:
ATP
DNA
RNA
testosterone
which of the following statements concerning saturated fats is correct?
they are more common in plants than animals
they have double bonds in the carbon chains of their fatty acids
they are solid at room temperature
they contain less hydrogen that unsaturated fats having the same number of carbon atoms
which of the following would be considered anabolic effects of abusing steroids
increase in muscle mass
increased body hair
deepening of the voice
male pattern baldness
organic macromolecules that make up the cell walls of a sunflower are:
glucose
gylcogen
fructose
cellulose
which of the following components is NOT part of nucleotide?
nitrogenous base
sugar
carboxyl group
phosphate group
proteins are always composed of which elements
carbon, hydrogen, and oxygen
carbon, hydrogen, oxygen, and nitrogen
carbon, phosphorus, nitrogen, and oxygen
carbon, nitrogen, and oxygen
what would be an expected consequence of changing one amino acid in a particular protein?
a) the tertiary structure might be changed
b) the primary structure would be change
c) the biological activity of the protein might be altered
d) only a and c are correct
e) a, b and c are correct
Lactase breaks down lactose found in dairy products. Some people are lactose intolerant and this can be due to not having enough lactase production. People who are lactose intolerant may not feel well after eating foods containing lactose. Identify the enzyme and substrate in this scenario.
enzyme: lactase
substrate: lactose
enzyme: lactose
substrate: lactase
a change in body temperature or pH may cause enzyme activation because:
enzymes can only function in alkaline conditions
a change in pH or temperature may cause hydrolysis of the enzyme
a change in temperature or pH may change the the shape of the enzyme
pH and temperature have no influence on the activity of an enzyme
for a protein to have a quaternary structure, it must have:
4 amino acids
2 or more polypeptide subunits
4 polypeptide units
at least 50 different R-groups
at least one alpha helix and one beta pleated sheet
the 20 different amino acids found in polypeptides exhibit different chemical and physical properties because of different:
carboxyl groups
amino groups
tertiary structure
side chains (R group)
what would be the molecular formula for a polymer made by linking 10 glucose molecules
C10H20O10
C60H120O60
C20H10C20
C120H60C120
fructose:
a) is a disaccharide
b) is a monosaccharide
c) is found in fruit
d) both b and c
the type of lipid that provides a protective layer on the outside of plat leaves and a protective layer in your ear is:
wax
fat
oil
steroid
the storage form of glucose in animals is:
collagen
starch
fructose
glycogen
KNOW HOW TO LABEL FUNCTIONAL GROUPS
this ones right
this ones wrong
a DNA molecule:
is double stranded and contains the sugar ribose
contains sugar deoxyribose and the nitrogen bases adenine, thymine, cytosine, and guanine
is single stranded and contains the sugar deoxyribose
contains the sugar ribose and the nitrogen bases adenine, thymine, cytosine, and guanine
which lipid is important in the structure of the cell membrane?
cellulose
phospholipid
starch
wax
What type of bond occurs between 2 monosaccharides to make a disaccharide
peptide bond
ionic bond
covalent bond
hydrogen bond
the structural level of a protein least affected by a disruption in hydrogen bonding is the:
primary level
secondary level
tertiary level
quaternary level
all structural levels are equally affected
Hooker's discovery of cells was made observing:
living algal cells
living protist cells
living plant cells
dead plant cells
which of the following is characteristic of eukaryotes?
a) they have a nucleus
b) they were found on earth before prokaryotes
c) they were found on earth after prokaryotes
d) both a and b
e) both a and c
a certain cell has a nucleus, mitochondrion, ribosomes, smooth and rough endoplasmic reticulum, and other parts. Based on this information it could NOT be:
a cell from a pine tree
a grasshopper cell
a cell from a mushroom
a bacterial cell
what is the general term for a group of tissues that carry out a common function?
organ
organism
system
tissue
which of the following is part of cell theory?
all cells have cell walls
cells only come from other living cells
all cells are prokaryotic
all cells are eukaryotic
a cell membrane is composed of:
cellulose and protein
carbohydrates and protein
lipid and protein
amino acids and protein
surface area is an important factor in limiting cell growth because:
the cell can burst if the membrane becomes too large
materials cannot enter the cell if the surface area is too large
the cell may become too large to take in enough food and to remove wastes
waste products cannot leave the cell if the cell is too small
the phospholipid molecules of most membranes have:
a hydrophobic head and a hydrophilic tail
a hydrophobic head and a hydrophobic tail
a hydrophobic head and two hydrophobic tails
a hydrophilic head and two hydrophobic tails
the dispersal of ink in a beaker of water is an example of:
diffusion
osmosis
active transport
endocytosis
glucose enters a cell usually by:
active transport
osmosis
facilitated diffusion
diffusion
which of the following occurs in phagocytosis?
fluids move into the cell
solid molecules move into the cell
fluids move out of the cell
solid particles move out of the cell
which of the following is NOT TRUE of facilitated diffusion?
it requires a carrier protein
it moves substances against a concentration gradient
it requires no energy output
it moves substances along a concentration gradient
placing a plant cell into a hypertonic environment will:
cause turgor pressure to increase
cause the plant cell to take in water
cause cytolysis
cause turgor pressure to decrease
a particularly active cell might contain large numbers of:
chromosomes
vacuoles
mitochodria
endoplasmic reticulum
which of the following scientists first stated that all animals are made of cells?
Matthias Schleidan
Robert Hooke
Theodor Schwann
Anton van Leeuwenhoek
How are chloroplasts similar to mitochondria?
a) they are both found in prokaryotic and eukaryotic cells
b) they are both found in animal cells
c) the both contain their own DNA
d) both a and b
which type of cell would probably provide the best opportunity to study lysosomes
muscle cell
nerve cell
bacterial cell
leaf cell of a plant
phagocytic white blood cell
a channel protein that assists with osmosis is a
aquaporin
membrane pump
proton pump
ATP receptor protein
numerous hair-like organelles that protrude from the surface of a cell and help with movement:
cillia
flagella
microtubules
actin filaments
diffusion of a water across a semipermeable membrane:
is called osmosis
always involves a carrier molecule
requires energy from the cell
occurs from lesser concentration to greater
which of the following activities of the cell membrane requires energy from the cell?
diffusion
osmosis
passive transport
endocytosis
which of the following processes includes all others on the list?
osmosis
diffusion
facilitated diffusion
passive transport
both active transport and facilitated diffusion involve:
a) movement up (against) the concentration gradient
b) movement down (with) the concentration gradient
c) carrier proteins
d) both a and c
when a biologist takes an egg from a fresh water fish and places it in salt water the egg will probably:
swell
shrink
stay the same
plasmolysis may occur in a plant cell:
a) in a hypertonic solution
b) in a hypotonic solution
c) is an isotonic solution
d) both b and c are correct
use of carrier molecules (channel proteins) to move particles from a region of greater concentration to a region of lesser concentration is called:
osmosis
plasmolysis
active transport
facilitated diffusion
the process by which a cell in the pancreas would release insulin is:
pinocytosis
phagocytosis
endocytosis
exocytosis
the theory of endosymbiosis explains the:
differences in prokaryotic and eukaryotic cells
the differences between chloroplasts and mitochondria
the evolution of the prokaryotic cell from the eukaryotic cell
the evolution of the eukaryotic cell from the prokaryotic cell
which of the cells below is the result of a hypotonic solution?
In which solution would water potentially enter the cell?
isotonic solution
hypotonic solution
hypertonic solution
which cell scientist stated that all plants are made of cells?
Matthias Schleidan
Robert Hooke
Theodor Schwann
Anton van Leeuwenhoek
cell membrane proteins that relay chemical messages across the cell membrane are called:
marker proteins
channel proteins
receptor proteins
superficial proteins
A paramecium is placed in a dish that contains distilled water. Which statement describes the cell processes that allow the paramecium to achieve homeostasis?
water leaves the cell by osmosis, and contractile vacuoles obtain water to maintain homeostasis
water leaves the cell by osmosis, and the central vacuoles obtain water to maintain homeostasis
water enters the cell by osmosis and the contractile vacuoles eliminate excess water
water enters the cell by osmosis and the central vacuoles eliminate excess water
the form of active transport that is important in the functioning of our nervous system is:
proton pumps
sodium-potassium pump
facilitated diffusion
endocytosis
the interior portion of the cell membrane forms:
a polar zone that allows molecules to pass through it
a nonpolar zone that prevents polar molecules from passing through
a nonpolar zone that allows polar molecules to pass through
a polar zone that prevents nonpolar molecules from passing through
which of the following is INCORRECT when properly storing a microscope
put the low power objective in place
raise the stage all the way up
wrap the cord around the base
put the cover over the microscope
during diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will:
move across the membrane to the outside of the cell
stop moving across he membrane
continue to move across the membrane in both directions
move across the membrane to the inside of the cell
BE ABLE TO LABEL THE CELL MEMBRANE (receptor protein, channel protein, marker protein, cholesterol)
this one is correct
this is not correct
if a blood cell is placed in pure water:
water diffusing out will dehydrate it
water diffusing in will cause it to burst
carbon dioxide will be unable to diffuse out
cell organelles will diffuse through the cell membrane
cellulose fibers are present in:
both plant and animal cells
neither plant nor animal cells
animal cells but not plant cells
plant cells but not animal cells
a detailed picture of the inside of a very small cell can best be obtained from a(n)
light microscope
scanning electron microscope
transmission electron microscope
telescope
energy for active transport is provided by:
voltage across a cell membrane
an ATP molecule
the Sodium-potassium pump
going against the concentration gradient
the cell membrane contains channels and pumps that help move molecules from one side to the other. what are these channels and pumps made of?
carbohydrates
lipids
proteins
nucleic acids
of the following organelles, which group is involved in manufacturing substances needed by the cell?
lysosomes, vacuoles, ribosomes
ribosomes, rough endoplasmic reticulum, smooth endoplasmic reticulum
vacuoles, rough endoplasmic reticulum, smooth endoplasmic reticulum
rough endoplasmic reticulum, lysosomes, vacuoles
Which of the following is an INCORRECT match
cardiac muscles cells - heart
skeletal muscle cells - lungs
smooth muscle cells - digestive tract
none of the choices are incorrect
nuclear structure where ribosomes are synthesized
nucleolus
Mitochondrion
chromosome
chromatin
membrane bound organelle in the cytoplasm that is involved with the production and transport of substances made by the cell
golgi apparatus
lysosome
endoplasmic reticulum
flagella
rigid structure that surrounds a plant cell and is made of cellulose
cell membrane
endoplasmic reticulum
choloroplasts
cell wall
contain chlorophyll that is necessary for photosynthesis
nucleolus
golgi apparatus
lysosomes
chloroplasts
organelle that functions in the synthesis of proteins
ribosomes
endoplasmic reticulum
golgi apparatus
lysosomes
fluid-filled organelle that stores enzymes or metabolic wastes in a plant cell
ribosome
vacuole
vesicle
lysosome
cell organelle of a eukaryotic cell that consists of a system of membranes and modifies protein for export from the cell
golgi apparatus
vacuole
vesicle
ribosome
receives materials from the ER and transports them to other parts of the cell; also releases material outside the cell
golgi apparatus
vacuole
vesicle
chromosome
cell organelle that is the site of aerobic respiration (energy production)
chromosomes
nucleolus
mitochondrion
chromatid
contains chemicals that break down food particles and worn-out cell parts
lysosome
ribosome
chromosome
vesicle
