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Biology A Final Flashcards | StudBud
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Biology A Final
Biology A Final
33 terms
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StudBud Administration
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scientific method, photosynthesis, energy synthesis, cellular respiration, macromolecules
Flashcards
33 cards
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Practice quiz
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Questions
33
Answers
1
Males and females must inherit 2 mutated alleles to have a disease. The mode of inheritance is:
sex-linked dominant
sex-linked recessive
autosomal recessive
autosomal dominant
2
Why must chromosomes condense before cell division?
to assist in chromosome movement
to assist in cytokinesis
to assist spindle fiber formation
to assist in replication
3
What statement is a fundamental principle of the cell theory?
the genetic material in cells is DNA.
living organisms are composed of cells
all cells have a plasma membrane.
eukaryotic cells have larger nuclei than prokaryotic cells.
4
In what phase do chromosomes line up in a single row along the equator of a cell?
interphase
telophase
anaphase
metaphase
5
Which structures push and pull the chromosomes into place during cell division?
centromeres
chromatid
magnets
spindle fibers
6
Cholesterol molecules are repelled by water. What can we conclude from this information?
a high cholesterol diet should be avoided
cholesterol is non-polar
cholesterol is polar
cholesterol is repelled by the polar tails
7
List two organelles that you would find in a plant cell but NOT an animal cell.
mitochondria & chloroplast
cell wall and nucleolus
cell wall & chloroplast
cell wall & chromosome
8
What exactly happens in the mitochondria?
energy in the glucose bonds is transferred to ATP
energy is required for CO2 to make sugar
oxygen releases energy in the form of heat thru combustion
water and sunlight are needed for anaerobic respiration
9
What is it called when the flow into and out of a cell is balanced?
hypertonic
isotonic
hypotonic
lysed
10
Which body systems work together to protect the body from pathogens?
digestive & excretory
Endocrine and reproductive
Muscular and vascular
circulatory and immune
11
The function of ribosomes:
synthesize DNA
synthesize proteins
convert sunlight to sugar
break down cellular invaders
12
What are amino acids?
the building blocks of lipids
The building blocks of proteins
The building blocks of nucleic acids
The building blocks of carbohydrates
13
What ingredients (raw materials) are used by green plants for photosynthesis?
carbon dioxide & water
carbon dioxide & carbon monoxide
carbon dioxide & hyrogen
oxgen and water
14
Where is ATP made during respiration?
matrix & outer membrane
matrix & inner membrane
cytosol only
cytosol, matrix & inner membrane
15
What is the diffusion of water through a cell membrane called -----
osmosis
water running
active transport
facilitated diffusion
16
What type of solution is it when the red blood cells swell because the flow is into the cells?
hypotonic
hypertonic
lysed
isotonic
17
When spindle fibers pull apart homologous chromosomes
mitosis II
mitosis I
meiosis II
meiosis I
18
The breakdown of glucose without oxygen is known as _____.
aerobic
binary fission
carbon cycle
anaerobic
19
In what cell organelle does cellular respiration take place?
golgi aparatus
chloroplast
endoplasmic reticulum
mitochondria
20
Where is sugar made in plants?
in the thylakoid membranes
in the matrix
outside the chloroplast
in the stroma
21
Is a virus a living organism?
Yes, because they are made of cells
Yes, because they can reproduce
No, because they are not made of cells
No, because they cannot adapt to their environment
22
What type of cell (prokaryote or eukaryote) has organelles like Golgi apparatus)?
eukaryote
prokaryote
23
How does an acid affect pH & H+ concentration
both pH and H+ increase
pH decreases and H+ increases
pH increases and H+ decreases
both pH and H+ decrease
24
TTYy crossed with Ttyy, how many offspring would be TTYy
9/16
4/16
6/16
2/16
25
An experiment on whether temperature effects heart rate, what is the dependent variable?
heart rate
color
pressure
temperature
26
Humans have ______ chromosomes in the nucleus of their SEX CELLS.
22
46
23
64
27
What are membrane—bound spaces that store water and other substances within a cell?
pocket
chloroplast
vacuole
nucleus
28
A covalent bond shares:
1 proton
2 protons
2 electrons
1 electron
29
An experiment on whether temperature effects heart rate, what is the independent variable?
pressure
magnitism
temperature
heart rate
30
What is the primary function of a lipid macromolecule?
Make up cell membranes
all of these
Store energy
Insulate
31
Particles that are too large to go out of a cell through protein channels in the cell membrane
exocytosis
endocytosis
cytokinesis
crenate
32
Red is dominant to white. Two heterozygotes mate. What is the chance to get a red flower?
50 %
25 %
100 %
75 %
33
Which of the following are true for enzymes?
Enzymes can operate in a wide range of conditions
Enzymes are found in all life forms
Enzymes are activated by neighboring molecules
Enzymes must be specific to the substrate
