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WorksheetsBiology Fall Final
Total questions: 90
Worksheet time: 45mins
A deductive question works to narrow the scope of research.
True
False
Scientific questions are based on observations, research, and judgements.
True
False
A monomer is a repeated unit within a macromolecule.
True
False
Lipids are unhealthy no matter what food they are found in.
True
False
The most important use for carbohydrates is structural support.
True
False
What is true of all hypotheses?
They are true
They are false
They are testable
They are not able to be argued
Some toads that live in a hot & dry environment bury themselves in the soil during the day. What characteristic of life is this?
Heredity
Reproduction
Need for Energy
Respond to Environment
Which of the following is NOT a characteristic of life?
Ability to reproduce
Ability to move
Displays organization
Requires energy
What are the 3 components of atoms?
Matter, electrons, and ions
Matter, compounds, and ions
Nucleus, electrons, and isotopes
Protons, electrons, and neutrons
Water dissolves salt because water is
non-polar
neutral
partially charged at each end
acidic
Acidic solutions have a pH that is
More than 7
Between 7 & 14
Less than 7
A negative number
Which of the following are classified as carbohydrates?
Sugars
Nucleotides
Amino Acids
Fats
Long chains of amino acids are found in
Nucleic Acids
Proteins
Carbohydrates
Lipids
In this image above, what is the charge of the blue part of the atom?
Positive
Negative
Neutral
Which of these are a characteristic of life? Check all that apply.
Movement
Made of cells
Organized
Reproduce Asexually
Responds to stimuli
What is the purpose of lipids?
Quick energy source
Long term energy source
Store genetic information
Structural support
Acids do what with protons?
Receive them
Donate them
Based on the macromolecules lab, animal derived food produces what?
Starch
Protein
Carbohydrate
Lipids
A catalyst
Raises the activation energy
Raises the chemical temperature
Lowers the activation energy
Lowers the chemical temperature
Which of the following is an example of homeostasis?
Drinking water when dehydrated
Shivering when cold
One of these
All of the above
None of these
The cell membrane, found in all cells, helps to regulate the movement of substances in & out of the cell.
True
False
Prokaryotes are more complex than eukaryotes.
True
False
Active transport uses ATP to move molecules with the concentration gradient.
True
False
Cellular respiration converts energy to glucose.
True
False
Glycolysis breaks glucose down into 2 pyruvates.
True
False
Autotrophs make their own food.
True
False
A cell begins to swell when placed in an unknown solution. What can you conclude about the solution?
The solution is isotonic
The solution is saturated
The solution is hypotonic
The solution is hypertonic
A cell that requires a lot of energy might contain large numbers of
Vacuoles
Lysosomes
Chlorophyll
Mitochondria
Diffusion is the movement of a substance.
Only through a lipid bilayer membrane
From an area of high concentration to an area of lower concentration
Only in liquids
From an area of low concentration to an area of higher concentration
Proteins & polysaccharides that are too large to move into a cell through diffusion or active transport move in by
Endocytosis
Exocytosis
Sodium-Potassium Pump
Channel Proteins
Which of the following pairs contain unrelated items?
Mitochondria - ATP
Eukaryote - Plant
Ribosome - Protein
Cell Wall - Animal Cell
Fermentation enables energy production to continue under
aerobic conditions
photosynthetic conditions
anaerobic conditions
low-light conditions
Which of the following is NOT part of cellular respiration?
Calvin Cycle
Krebs Cycle
Glycolysis
Electron Transport Chain
When a phosphate group is removed from an ATP molecule
energy is stored
an enzyme is formed
energy is used
energy is released
What is the main goal of photosynthesis?
to produce energy
to produce glucose
to produce ATP
to break down glucose
Eukaryotic cells differ from prokaryotic cells in that eukaryotic cells
have a nucleus
lack of organelles
lack ribosomes
have a cell wall
What four features do all cells have?
Cytoplasm, Nucleus, Ribosome, Vesicles
DNA, Nucleus, Ribosomes, Mitochondria
DNA, Cytoplasm, Ribosomes, Cell Membrane
Nucleus, Vesicles, Mitochondria, Cell Membrane
Which organelle works to clean up broken pieces and parts of cells?
lysosome
nucleus
cilia
vacuole
During transcription the DNA information is rewritten into mRNA.
True
False
A point mutation is caused by an insertion or a deletion.
True
False
Chromosomal mutations are normally the most dangerous & fatal.
True
False
Everyone has at least one silent mutation within their DNA.
True
False
DNA stands for ribonucleic acid & contains an organism's genetic material.
True
False
Adenine & Cytosine always pair together.
True
False
The only difference between tRNA & DNA is that uracil replaces thymine.
True
False
A gene is a section of DNA that codes for multiple genetic traits.
True
False
Transcription occurs in the cytoplasm of the cell.
True
False
Base pairs always bond with their complementary, meaning that purines pair with other purines, & pyrimidines pair with other pyrimidines.
True
False
Molecules of DNA are composed of long chains of
Amino Acids
Fatty Acids
Monosaccarides
Nucleotides
Which of the following is NOT part of a molecule of DNA?
Deoxyribose
Nitrogen Base
Phosphate
Ribose
Of the four nitrogen bases in DNA, which two are purines & which two are pyrimidines?
Purines: A&T Pyrimidines: U&C
Purines: A&T Pyrimidines: G&C
Purines: A&G Pyrimidines: T&C
Purines: U&T Pyrimidines: G&C
The enzyme that unwinds DNA during replication is
Double Helix
DNA Helicase
Forks
Phages
During DNA replication, if a portion of the original strand is CCTAGCT, then the new DNA strand will be
TTGCATG
GGAUCGA
CCTAGCT
GGATCGA
RNA differs from DNA in that RNA
is double stranded
contains deoxyribose
contains the base uracil
does not contain adenine
During transcription,
proteins are made
RNA is made
DNA is replicated
DNA is destroyed
Each nucleotide triplet in mRNA that specifies a particular amino acid is called a
peptide bond
codon
anticodon
helicase
Transfer RNA
carries an amino acid to its correct codon
makes amino acids as they are needed
produces codons to match the correct anticodon
converts DNA into mRNA
A mutation caused by a piece of DNA breaking away form its chromosome & attaching to another is called
deletion
duplication
inversion
translocation
What does transcription produce?
tRNA
Protein
mRNA
DNA
Where does translation occur in the cell?
in the DNA
in the Membrane
in the Nucleus
in the Ribosome
Which part of DNA contains the genetic information?
Sugar Molecules
Phosphate Molecules
Nitrogen Base Pairs
Deoxyribose Molecules
Which of these molecules adds in complementary base pairs during DNA replication?
Helicase
RNA Polymerase
DNA Polymerase
Replicator
Which of the following displays an example of a point mutation if this is the original strand: TAAACGTA
TAACGTA
TAAAACGTA
TAACCGTA
TAAACGGTA
Which of the following describes a silent mutation?
Causes a change in the protein produced, effecting the protein function
Causes a change in the trait being expressed
Causes a change in the mRNA codons produced
Causes a change in the base pairs, but no observable change in structure/function
Mutations that arise during replication, transcription, or translation can result in
Structural Deformities
Disorders/Diseases
Cancer
All of these are correct
The cell cycle has 4 checkpoints that act to inhibit uncontrolled cell division.
True
False
Mitosis is used for sexual reproduction, whereas Meiosis is used for growth.
True
False
What occurs after cytokinesis is completed?
Cells creates spindle fibers
Cell enters G1
Cell begins replicating DNA
Cell enters G2
Normal cells become cancer cells when
regulation of cell growth & development occurs
cells respond to control mechanism (signals)
cells pass through G1
cells do not respond to checkpoints
An advantage of sexual reproduction is that
many offspring are produced in a short time
it increases genetic diversity
production of gametes requires energy
organisms remain stable in a changing environment
Mitosis occurs
immediately after the synthesis phase
before the second gap phase
after the second gap phase
after cytokinesis
What kind of tumor has cells that spread to other parts of the body?
Malignant
Benign
Neither
Both
How many steps are in Meiosis?
2
4
6
8
How many steps are in Mitosis?
2
4
6
8
The region of a chromosome where two sister chromatids are held together is ...
spindle
nucelosome
centromere
centriole
What is a gene?
2 sets of chromosomes
having a single set of unpaired chromosomes
the final phase of cell divison
part of DNA that codes for a protein and determines a specific trait
What is a chromosome?
x shaped structure that carries the DNA
cell division of the nucleus
What happens during Interphase?
Cell growth, consists of G1, S, & G2 phase
Cell divides into 2 cells
Chromosomes line up single file
Nuclear membrane disappear & Chromosomes appear
What is Mitosis?
Cell preparing for reproduction
Cell dividing into 2 cells
Growth stage
Cell preparing to divide, used for growth
What happens in Prophase?
Chromosomes attach to the spindle fibers
Chromosomes are pulled to opposite ends of the cell
Cell cuts into 2 cells
Nuclear membrane dissolves and chromosomes appear
What happens in Metaphase?
Chromosomes attach to the spindle fibers
Chromosomes are pulled to opposite ends of the cell
Cell cuts into 2 cells
Nuclear membrane dissolves and chromosomes appear
What happens during Anaphase?
Chromosomes attach to the spindle fibers
Chromosomes are pulled to opposite ends of the cell
Cell cuts into 2 cells
Nuclear membrane dissolves and chromosomes appear
What happens during Telophase?
Nuclear membrane dissolves
Nuclear membrane reappears
Cell cuts into 2 cells
Cell Growth
What is a gamete?
Cell used for growth
Cell used for sexual reproduction
Cell with all chromosomes
What does diploid mean?
having 1 set of chromosomes, 23 chromosomes total
having 1 set of chromosomes, 46 chromosomes total
having 2 sets of chromosomes, 23 chromosomes total
having 2 sets of chromosomes 46 chromosomes total
What does haploid mean?
having 1 set of chromosomes, 23 chromosomes total
having 1 set of chromosomes, 46 chromosomes total
having 2 set of chromosomes, 23 chromosomes total
having 2 set of chromosomes, 46 chromosomes total
What does homologous chromosomes mean?
having 46 chromosomes (23 pairs)
programmed cell death
Pair of chromosomes that have the same information
Pair of chromosomes that have different information
What is Meiosis?
Cell division that produces 4 daughter cells, all looking different
Cell division that produces 2 daughter cells, all looking the same
What is crossing-over?
Moving on from the living
Exchanging genetic material during prophase 1
A type of mutation where information is moved around
The process of rearranging the chromosomes to prepare for division
What happens during Cytokinesis?
Chromosomes line up single file in the middle of the cell
Cell cuts into 2 cells
Cell grows
Cell replicates DNA
