WorksheetsBiology 1 Final Review
Total questions: 40
Worksheet time: 20mins
What is homeostasis?
A stable state of being
A stable internal environment
Normal body functioning
All of the answers are correct
What body systems provide protection?
Skeletal and Respiratory
Skeletal and Integumentary
Skeletal and Digestive
Skeletal and Immune
Which body systems control and coordinate your body?
Nervous and Digestive
Nervous and Immune
Nervous and Endocrine
Cardiovascular and Respiratory
Which of the following best describes a negative feedback loop?
Increasing heart rate
Sweating to lower body temperature
Increasing platelet number to clot blood
Increasing frequency and intensity of contractions during child birth
Which of the following best describes a positive feedback loop?
Sweating to lower body temperature
Increasing frequency and intensity of contractions during childbirth
Insulin being released to lower blood sugar (back to normal)
Glucagon being released to raise blood sugar (back to normal)
A macromolecule is
A small molecule that is essential to life
A medium size molecule that essential to life
A large molecule that is essential to life
None of the answers describe a macromolecule
What elements do all macromolecules have in common?
CHO
CHON
CHONP
CHONPS
What is the monomer of a carbohydrate?
Fatty Acid
Amino Acid
Nucleotide
Monosaccharide
What is the monomer of a lipid?
Fatty Acid
Amino Acid
Nucleotide
Monosaccharide
What is the monomer of a nucleic acid (DNA)?
Fatty Acid
Amino Acid
Nucleotide
Monosaccharide
What is the monomer of a protein?
Fatty Acid
Amino Acid
Nucleotide
Monosaccharide
Which macromolecule function is paired incorrectly?
Lipids: Provide long term energy storage
Carbohydrates: Provide quick energy and structure
Proteins: Structure, communication, fight disease, enzymes
Nucleic Acids: Store energy for later
What is the job of DNA?
To hold genetic information and/or instructions for an organism
To create proteins
To turn DNA into mRNA in the nucleus
To turn mRNA into a protein in the cytoplasm
What are the 3 parts of a nucleotide?
Phosphate
Sugar
Nitrogen Base
All are parts of a nucleotide
What is the base-pair rule?
A pairs with C & G pairs with T
A pairs with T & C pairs with U
A pairs with T and U & C pairs with G
G pairs with T and A pairs with C
What kind of bond hold the nitrogen bases of DNA together?
Ionic bond
Covalent bond
Hydrogen bond
Nitrogen bond
Which of the following best describes the structure of a DNA molecule?
Double helix with nitrogen bases on the outside and sugar/phosphate on the inside of the molecule
Single helix with nitrogen bases on the inside and sugar/phosphate on the outside of the molecule
Single helix with nitrogen bases on the outside and sugar/phosphate on the inside of the molecule
Double helix with nitrogen bases on the inside and sugar/phosphate on outside of the molecule
Which of the following statements applies to an RNA molecule?
Single stranded and contains ribose sugar
Contains U instead of T
Small and able to leave the nucleus
All of the answers describe an RNA molecule
Which of the following is NOT a type of RNA?
pRNA
rRNA
mRNA
tRNA
What is protein synthesis?
The process of creating new identical cells
The process of creating proteins
The process of creating gametes
The process of making nucleic acids
What are the two steps of protein synthesis?
Translocation and Transcription
Transcription and Translation
Translation and Translocation
Transcription and Telestrations
Which of the following correctly describes transcription?
Takes place at the ribosome and creates mRNA using instructions from DNA
Takes place at the ribosome and creates a protein using instructions from the mRNA
Takes place in the nucleus and creates a proteins using instructions from the mRNA
Takes place in the nucleus and creates mRNA using instructions from DNA
Which of the following correctly describes translation?
Takes place at the ribosome and creates mRNA using instructions from DNA
Takes place at the ribosome and creates a protein using instructions from the mRNA
Takes place in the nucleus and creates a proteins using instructions from the mRNA
Takes place in the nucleus and creates mRNA using instructions from DNA
A mutation is
An error found in DNA
Can causes changes in the traits that are expressed
A change in DNA that leads to adaptations
All are true about mutations
Which mutation pairing is incorrect?
Point Mutation: Change in one nucleotide that can lead to a different amino acid
Frameshift Mutation: Change in one nucleotide that creates the same amino acids
Insertion: Addition of a nucleotide that changes all of the codons after the insertion
Deletion: Removal of a nucleotide that changes all of the codons after the deletion
What is a codon?
A group of 3 amino acids
A group of 3 nucleotides that codes for 3 amino acids
A group of 3 nucleotides that code for 1 amino acid
A group of 3 amino acids that codes for 1 codon
What enzyme is responsible for unzipping DNA for DNA replication?
Helicase
Primase
DNA polymerase
Ligase
What enzyme is responsible for gluing the new DNA strand together after DNA replication?
Helicase
Primase
DNA polymerase
Ligase
DNA is a semi-conservative process because
Both sides are original
One side is original and one side is new
Both sides are new
All of them describe semi-conservative
Which of the following lists the phases of the cell cycle in order?
Interphase, Cytokinesis, Mitosis
Mitosis, Interphase, Cytokinesis
Cytokinesis, Mitosis, Interphase
Interphase, Mitosis, Cytokinesis
What are the parts of interphase?
G1, S, Mitosis
G1, S, G2
G1, S, Cytokinesis
Prophase, metaphase, anaphase, telophase
DNA replication takes place during_______, while cell growth takes place during _________.
S phase, Mitosis
S phase, Cytokinesis
G1/G2, S phase
S phase, G1/G2
Which type of cells go through mitosis?
Meiotic cells
Somatic Cells
Gametes
Sex Cells
Which of the following lists the phases of mitosis in the correct order?
Prophase, anaphase, telophase, metaphase
Prophase, metaphase, telophase, anaphase
Anaphase, prophase, metaphase, telophase
Prophase, metaphase, anaphase, telophase
The end result of mitosis?
Two haploid cells that are identical
Two diploid cells that are not identical
Four haploid cells that are not identical
Two diploid cells that are identical
The end result of meiosis?
Two haploid cells that are identical
Two diploid cells that are not identical
Four haploid cells that are not identical
Two diploid cells that are identical
Meiosis is the the production of
Normal body cells
Gametes
Somatic cells
Identical cells
Which of the following correctly describes the differences between asexual & sexual reproduction?
Asexual requires 1 parent, sexual requires 2
Asexual happens quickly, sexual is time consuming
Asexual creates a clone, sexual creates genetic diverse offspring
All are correct
Independent assortment is
When homologous chromosomes exchange genes
When homologous chromosomes line up in the middle randomly
The creation of egg and sperm
All are correct about independent assortment
Which of the following is NOT a way to create genetic diversity?
Random fertilization (any egg with any sperm)
Independent Assortment
Crossing Over
Gene Duplication
