stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
LE Midterm Review Flashcards | StudBud
Explore
/
LE Midterm Review
LE Midterm Review
149 terms
·
StudBud Administration
·
46 plays
Imported from external platform
Flashcards
149 cards
F
Practice quiz
P
Host live
L
Questions
149
Answers
1
Deoxygenated blood travels to the lungs via which blood vessel?
Pulmonary Artery
Aorta
Vena Cava
Pulmonary Vein
2
In a model or diagram of the heart, blue vessels indicate
blue blood
arteries
oxygen poor blood
capillaries
3
What was the dependent variable?
color of slime
Slime growth
Type of liquid sprayed in shower
4
Where is the highest concentration of oxygen?
IN the cell
OUTSIDE of the cell
5
A variable that can be affected by changes in the independent variable
dependent variable
independent variable
constant variable
variable
6
Digestive System function
pushes food through intestines and out as waste
helps boost metabolism and blood flow
Changes food into nutrients and or waste
aids in skin plumpness
7
What is the term for testing your hypothesis?
Observation
Bingo
Variables
Experiment
8
What is the dependent variable?
Their car
Time
Distance
40 miles per hour
9
What is the best description of the Regulation life function?
building and repairing body parts
producing or obtaining food
responding to changes in surrondings
breathing, digesting, and disposing of wastes
10
What does the life function RESPIRATION mean?
Maintaining an internal equilibrium
Energy
Increasing in Size
Making new individuals
11
Function of the villi in small intestine
absorbtion
elimination
digestion
12
The air sacs inside ones lungs are called
bronchioles
alveoli
bronchi
trachae
13
To report the final results, which label would be most appropriate for the third column of the data table?
Acidity of Tomatoes (pH)
Average Weight of Tomatoes per Plant (grams)
Average Ripening Time (days)
Height of Tomato Plants (cm)
14
Name two organelles that are only found in plant cells
cell membrane and ribosome
cell wall and nucleus
cell wall and chloroplast
chloroplast and mitochondria
15
Symptoms of a stroke
Facial weakness, unable to raise arms, slurred speech
Dizziness, feeling of impending doom, anxiety, slurred speech
Facial weakness, unable to raise arms, holding throat
Facial weakness, unable to walk, slurred speech, biceps feel hard and tight
16
What are the symptoms of a diabetes attack?
Uncontrollable shaking, staring into space, becoming stiff.
Feeling thirsty & hungry, extreme fatigue & tiredness.
Chest tightness, shortness of breath, coughing, wheezing.
17
At what temperature has the enzyme started to denature?
30 degrees
41 degrees
11 degrees
18
air sacs?
balloons
ovaries
alveoli
bladders
19
Which is
true
of a hydrolysis reaction?
It is a reaction that breaks down polymers into monomers
It is a reaction that combines monomers into polymers
It occurs only after dehydration reactions
It requires the removal of water
20
Diffusion through a membrane protein
Exocytosis
Osmosis
Diffusion
Facilitated diffusion
21
Organic compounds are used building blocks for
water, proteins, and oxygen
proteins, starches and fats
22
What is a Stroke?
When your heart stops pumping blood to your brain.
When blood cells in the brain die.
Reaction to a seizure.
When a blood vessel bursts or the blow flow is cut off.
23
What is the approximate diameter of one cell?
250um
100 um
500um
50um
24
The top chambers of the heart
Arteries
Ventricles
Valves
Atrium
25
In order to make the conclusions more valid the student could
change the data to match the hypothesis
add more variables
repeat the experiment multiple times
reduce the sample size
26
How are the digestive system and circulatory system related?
Blood carries nutrients from food to the body's cells
Food is digested in the bloodstream
Food moves from the stomach directly into arteries
27
In a saline solution, the cell will _____
expand
burst
shrink
None of the above
28
Cell structures that perform life processes are called...
organisms
cell wall
organs
organelles
29
Which laboratory procedure is represented in diagram below?
Adding stain to a slide without removing the coverslip
Removing a coverslip from a slide
Placing a coverslip over a specimen
reducing the size of air bubbles under a coverslip
30
Regulation is the life function of keeping
sweat
hydrated
temperature
homeostasis
31
What is the total magnification?
40X
50X
10X
400X
32
Larger sample size increases reliability
True
False
33
Movement of molecules from high concentration to low concentration.
Concentration gradient
Endocytosis
Concentration
Vacuole
34
Organization of living things
Cells -- Tissues -- Organs -- Organ Systems -- Organism
Organism--Organ Systems--Organs--Tissues-- cells
Tissues--Cells--Organ Systems-- Organism
Organ Systems-- Tissues--Cells--Organism
35
In order for an experiment to be reliable, it must have
multiple trials
have a control group
all of the above
everything constant except the IV
36
For an experiment to be reliable you need
inconsistent results
lots of variables
a large sample size
37
How does the diaphragm help breathing?
It pushes against the abdominal organs which improves air flow.
It releases a chemical that captures carbon dioxide.
It forces oxygen into the lungs and carbon dioxide out of the lungs.
It circulates oxygen through the alveoli.
38
Which contains oxygenated blood?
Pulmonary vein
Right atrium
None of the above
Pulmonary artery
39
Which life activity is not required for the survival of an individual organism?
Respiration
Synthesis
Nutrition
Reproduction
40
Capillaries....
.
carry blood from the heart under high pressure
are thin walled vessels with valves
carry blood to the heart under low pressure
allow nutrients to diffuse to the body's cells
41
What is the independent variable?
the math test
stress levels
two groups of 15 students
spending time with pets
42
Alveoli or Air sacs are surrounded by thin walled blood vessels called _______.
veins
channels
bronchi
capillaries
43
Main function of the villi in the small intestine
Secretion of digestive enzymes
Production of bile
Mixing food with digestive juices
Increase the surface are for absorption
44
A hypothesis must be ______________.
testable
written in caps
1000 words and double spaced
a question
45
Energy is released when mitochondria break down glucose or sugar in a process known as _______.
cellular respiration
osmosis
tissue
cellular regeneration
46
Capillaries
<p>Only allow Carbon Dioxide through</p>
Only allow oxygen through
Allow gaseous exchange
47
What is the best definition for the life function "Nutrition"?
Growing into an adult
Sweating
Consumption and digestion of nutrients/food
Making new proteins in a cell
48
What does a vacuole do in a cell?
gives a cell its shape
creates energy
nothing
stores food, water and waste
49
which contains deoxygenated blood
pulmonary arteries
left atrium
celiac trunk
umbilical veins
50
does a virus have any type of cellular structure?
no
yes
51
Molecules move from high to low
True
False
52
In order for an experiment to be reliable, the experiment must be repeatable and have multiple trials.
True
False
53
Trachea is also known as?
voice box
throat
windpipe
54
Which contains deoxygenated blood?
Celiac trunk
Right atrium
Umbilical veins
Pulmonary veins
55
Which contains oxygenated blood
Pulmonary artery
Left ventricle
Right ventricle
Right atrium
56
What is the volume of liquid in the graduated cylinder below?
25 mL
22 mL
20 mL
21 mL
57
What is the dependent variable?
Length of time itching
Subject B
Type of itching powder
Subject A
58
Diarrhea results from decreased water absorption in this organ.
Large Intestine
Small Intestine
Gall Bladder
Stomach
59
During the "Diffusion through a Membrane Lab" which conclusion was true?
Neither substance diffused out of the bag
Only glucose diffused out of the bag
Glucose and starch both diffused out of the bag
Only starch diffused out of the bag
60
Diffusion Through a Membrane Lab - what substances DID diffusion through the membrane?
iodine and starch
glucose only
starch only
iodine and glucose
61
What happens in the large intestine?
water absorption
waste leaves body
food digested
nutrient absorption
62
Air travels down the trachea into two branching tubes call _________?
winslow tubes
bronchi
lungs
larynx
63
What is the function of the ribosome?
produce proteins
manufactures ribosomes
protects the cell
directs the cells activities
64
Which laboratory procedure is represented in the diagram?
Placing a coverslip over a specimen
Adding stain to a slide without removing the coverslip
Reducing the size of air bubbles under a coverslip
65
When the diaphragm contracts and the chest expands, what happens?
the panda sneezes
air goes into the lungs
air is pushed out of the lungs
the epiglottis closes
66
What is the independent variable
The variable measured
The variable being tested and changed
When you hold something constant
The outcome
67
The diagram below represents a process that occurs in human systems.
excretion
digestion
ATP
circulation
68
Why is the mitochondria known as the powerhouse of the cell?
Because it is the powerhouse of the cell
It releases glucose for the cell
It releases energy for the cell
It makes electricity for the cell
69
A control group helps an experiment because it give the scientist
A group to compare experimental results to
None of the above
More participants
More work
70
What procedure in the
Diffusion through a Membrane
lab is being shown?
adding salt solution to a specimen under the cover glass
making a thin sample to prepare a slide of red onion cells
make an artificial
adding distilled water to the top of a cover glass on a slide
71
In the following diagram, which color corresponds to the right side of the heart?
Blue
Brown
Red/pink
72
What is a stroke?
Lack of oxygen to the heart
Angina
Myocardial Infarction
Lack of oxygen to the brain
73
A hypothesis is a(n) _____________ guess based on _______________ and your knowledge.
uneducated, news
wild, supersitition
funny, jokes
educated, observations
74
Which substance diffused through the membrane in the
Diffusion Through a Membrane
lab?
Benedict's solution
salt
glucose
starch
75
Site of cellular respiration
ribosome
chloroplast
vacuole
mitochondria
76
What causes an enzyme to ‘denature’?
If it is produced in the wrong place in the body.
If the environment is below 0*c.
There is not enough water so it shrivels up and dies.
Extreme Ph’s or a too high temperature.
77
Function of Stomach?
Passageway for food
Temporary "storage", muscles churn to breakdown food more
4m long, chemical digestion of fats, protein & CHO
1.5m long, delivers undigested food to exterior of body
78
The reaction indicated by arrow
E
illustrates
Photolysis
Aerobic respiration
Hydrolysis
Dehydration Synthesis
79
Which contains Oxygenated blood?
Capilliaries
Vena Cava
Pulmonary artery
Pulmonary vein
80
In a saline solution, a cell will:
a. Swell
c. Burst.
b. Shrink
81
What are the main functions of the large intestine?
Absorbs water and minerals into bloodstream, collects waste
absorbs proteins and carbohydrates into the bloodstream
produces chime
It crushes the food, and stores it for energy
82
Diarrhea results from decreased water absorption in this organ.
liver
large intestine
stomach
small intestine
83
Where does the substrate bind to?
The actual site
The abical site
The active site
84
What did we learn in the
diffusion through a membrane
lab
Small molecules can diffuse through a membrane on their own
Big molecules can't diffuse through a membrane on their own
You can use indicators to see specific substances
85
What is the volume of liquid in the graduated cylinder?
43 mL
41 mL
48 mL
46 mL
86
Dehydration Synthesis is
How water is formed
The reaction that forms lipids
The formation of monomers
A reaction that forms polymers
87
To release the energy stored in ATP, the cell sends an enzyme to break bonds
Between the phosphates
Ribose and a phosphate
Between adenine and a phosphate.
Adenine and Ribose
88
Which describes the life process regulation?
Responding to changes in the internal or external environment
Taking in food
Breaking down food into molecules useable by cells
Taking in or releasing oxygen or carbon dioxide
89
What is the independent variable?
plane without paper clip
mass of the plane
distance the plane flies
the paper clips
90
What is a catalyst?
A substance that speeds up reactions
A substance that changes the products of a reaction
A substance that doesn't affect the speed of a reaction
A substance that decreases the speed of a reaction
91
DIFFUSION THROUGH A MEMBRANE
OSMOSIS
FACILITATED DIFFUSION
DIFFUSION
92
What is an
INDEPENDENT
variable?
Factors in an experiment that remain the same
Factors that respond to the independent variable
Factors in an experiment changed by the experimenter
93
What is the main function of a cell membrane?
Regulate what enters & leaves the cell
Burn glucose for energy
Control the actions of the cell
Package proteins
94
Enzymes are catalysts for chemical reactions in living organisms?
True
False
95
What is the approximate length of the crayon?
7 inches
8 cm
7.5 cm
7 cm
96
Which plant is the control group?
The plant without the fertilizer.
The plant receiving 10 ml of fertilizer.
97
In the diagram, which chambers of the heart pump blood to the lungs and all other body areas?
3 & 4
2 & 3
1 & 2
2 & 4
98
Storage bubbles found in cells. Plant cells have one big one.
cell wall
vacuole
cell membrane
mitochondria
99
Which section of the graph includes the point at which the enzyme
started
to denature?
I
II
III
IV
100
Diffusion through a membrane protein
Facilitated diffusion
Osmosis
Diffusion
Exocytosis
101
A hypothesis must be ______________.
1000 words and double spaced
a question
testable
written in caps
102
What is the approximate diameter of each cell?
250
50
500
4500
103
What did you observe in diffusion through a membrane lab?
starch was too big to diffuse out of cell into the beaker
starch diffused out of the cell into the beaker
Glucose was too big to diffuse out of cell into the beaker
There was no way to know any of this
104
What is the life function transport?
Release energy from food
To go somewhere
Movement of materials in an organism or its cells
Remove cell waste
105
Starch indicator turns starch
yellow
brown
green
black
106
Oxygen rich blood travels from the lungs to the
left ventricle
right atrium
left atrium
right ventricle
107
Air sacs that exchange oxygen and carbon dioxide
lungs
trachea
alveoli
bronchi
108
For an experiment to be reliable it must be:
always include a control
valid
large
repeated
109
Which contains Oxygenated blood ?
pumonary artery
Left Ventricle
right atrum
right ventricles
110
Is a virus alive?
Yes
No
111
What is the area called where the substrate and enzyme bind together? (Represented by C)
Active site
Substrate
Enzyme
Product
112
What does the mitochondrea do in a cell?
It is the "jelly-like" liquid in a cell
It creates energy
It stores food and water
It is the "brain" of the cell
113
The field of view under high power is ______ than the field of view under low power.
larger
same
smaller
114
This body system includes the lungs, trachea, and diaphragm.
Muscular
Nervous
Respiratory
Skeletal
115
Which life process exchanges gas between the environment and organism?
Transport
Nutrition
Respiration
Synthesis
116
What is the dependent variable?
Types of pizzas
Amount of people attending the party
Number of pizzas
Location of the party
117
X represents a process that causes a protein to unfold and stop functioning. Process X is most likely caused by
an internal factor in the body, such as a temperature increase
removal of the gene that codes for the production of the protein
the synthesis of a protein with different simple sugars
the digestion of the amino acids that make up the proteins
118
Cause of diarrhea is:
increased peristalsis causes too much water absorption
increased peristalsis causes less water absorption
119
the process of life; digestion
acidic
metabolism
benign
hospitable
120
What is the dependent variable?
Number of houses
Number of bags of cement
Color of the house
Type of cement
121
In the
DIFFUSION THROUGH A MEMBRANE
lab, which molecules passed through the membrane?
glucose, iodine
starch, water
starch , iodine
glucose, starch
122
Hierarchy of Organization
Cell - Tissue - Organ - Organ System - Organism
DNA - RNA - Protein
Evolution if the main theme of biology
Sequence - Structure - Function
123
what do ulcers do to the digestive system
Damages the lining of the stomach
Inflammation of the appendix
124
A tripple beam balance...
view small objects
measure mass
dispens distilled water
used to grind solids into fine powders
125
What colour is iodine solution in the presence of starch?
browny-orange
brick red
blue-black
126
In which life process is digestion?
Circulation
Reproduction
Nutrition
Sensitivity
127
Which structure in the given diagram represents the chamber of the heart that receives oxygenated blood from the lungs?
4
6
5
3
128
what do gallstones do to the digestive system?
create small stones of unwanted bile in the gallbladder
bowel symptoms
cause rectal bleeding
129
During the "Diffusion through a Membrane Lab" which conclusion was true?
Neither substance diffused out of the bag
Glucose and starch both diffused out of the bag
Only glucose diffused out of the bag
Only starch diffused out of the bag
130
what is the total magnification?
20x
10x
not enough information to tell
100x
131
What factors effect enzyme activity?
Temperature
ATP
Ion concentration
pH
132
What is involved in the life function of regulation?
moving materials
autotrophic nutrition
coordination and control
production of offspring
133
Total magnification =
Eyepiece Magnification X Eyepiece lens Magnification
Objective Magnification X Objective lens Magnification
Eyepiece Magnification X Objective lens Magnification
All magnification of the microscope together
134
What is the function of the nucleus?
packages, modifies, and ships molecules
makes and transports proteins
control center of the cell; contains the genetic information
creates sugar
135
What does the life process "TRANSPORT" do?
makes new cells
obtains food
moves materials across the cell membrane
moves from place to place
136
In a good experiment,
your hypothesis must be correct
you should only complete one trial.
two variables can be changed
only one variable can be changed
137
What is the independent variable?
Itching
Time spent itching
Type of itch powder
138
Organic compounds are the building blocks for
starches, fats and water
proteins, carbohydrates and water
water, starches and DNA
Proteins, starches and fats
139
What is the approximate size of one cell, if the field of view diameter is 1mm?
1000 micrometers
50 micrometers
100 micrometers
140 micrometers
140
In a good experiment,
you should only complete one trial.
your hypothesis must be correct
two variables can be changed
only one variable can be changed
141
In order to make the conclusion of an experiment more valid a student could
use a larger sample size
carry out an experiment for a shorter period of time
change the constants
alter the variables
142
The end products of digestion must enter the circulatory system. Where ?
Through the villi of the small intestine
Inside the mouth
Through the stomach lining
Through the lining of the large intestine
143
What is The cell Thoery ?
All living organisms are made up of cells.
Cells come from per-existing cells.
Basic unit of life.
All of the adove.
144
What colour is iodine solution in the presence of starch?
Blue-purple
Blue-red
Blue-brown
Blue-black
145
*Molecules move from high to low concentration
Respiration
Flowmeter
Diffusion
Molecular infusion
146
The control group is:
the variable that remains the same
the changed variable
the group that has a changed variable
the group that is not changed
147
Diffusion Through a Membrane Lab - what substances DID diffusion through the membrane?
iodine and starch
starch only
iodine and glucose
glucose only
148
Which cell has a cell membrane?
BOTH!
PLANT!
ANIMAL!
NEITHER!
149
Increased water absorption in the large intestine, peristalsis is too slow
Celiac
Diarrhea
Ulcer
Constipation
