NEW
Font size
WorksheetsBiology Semester 1 Review
Total questions: 60
Worksheet time: 20mins
If the yellow and blue circles represent amino acids then this whole structure represents a __.
Lipid
Carbohydrate
Protein
Water
Which statement is true for memory cells?
They kill an invader.
They quickly make antibodies against an invader that the body has been previously exposed to.,
They are the first cells at the site of infection and release cytokines.
They surround and engulf pathogens.
How are bacterial cells different from the cells of animals?
Bacteria are prokaryotes, and their genetic material is not contained in a nucleus.
Bacteria are prokaryotes, and the genetic material is contained within a nucleus.
Bacteria are eukaryotes, and their genetic material is not contained in a nucleus.
Bacteria are eukaryotes, and the genetic material is contained within a nucleus.
Which of the following statements is NOT true for bacteria?
Bacteria reproduce by binary fission.
Bacteria cells are smaller than viruses.
Bacteria have circular pieces of DNA not contained within a nucleus.
Bacteria can be autotrophs or heterotrophs.
Tiny structures that produce proteins in prokaryotes and eukaryotes are __.
Endospores
Nuclei
Ribosomes
Chloroplasts
What is the name of the Grinch's dog?
Pete
Fido
Max
Sam
Which cell first recognizes foreign bodies, engulfs them and then displays antigens to other immune cells?
Macrophages
B cells
T cells
Antibodies
Viruses are not considered to be alive, however they have some characteristics of living things. Which characteristic do viruses have?
Made of cells
Grow and develop
Reproduce on their own
Contain genetic material
What is the longest running Christmas special of all time?
Charlie Brown Christmas
Frosty the Snowman
A Year Without Santa Claus
Rudolph the Red-Nosed Reindeer
Which structures are found in every living cell?
Cell membrane and ribosomes
Cell wall and nucleus
DNA and mitochondria
Cell membrane and chloroplast
After analyzing a sample of DNA, a scientist recorded the data shown in the table. What percentage of the DNA sample is cytosine?
22%
25%
28%
56%
Which of the following does NOT describe the environment of an Archean bacteria?
The gut of the human body
Center of a volcano
Extremely salty body of water
Center of an iceberg
In which Christmas movie did one of the kids get his tongue stuck to a flagpole?
Christmas Vacation
A Christmas Story
Polar Express
Elf
Which terms are NOT associated with the innate immune system?
B and T cells
Skin and mucous membranes
Macrophage and neutrophils
Inflammation and first line of defense
According to the Christmas song, which type of tree was the partridge sitting in?
Fir tree
Pear tree
Apple tree
Holly berry tree
DNA and RNA are made up of what monomers?
Monosaccharides
Amino acids
Nucleotides
Enzymes
Which of the following lines is an actual lyric from “All I Want for Christmas Is You”?
“All I need is snow and mistletoe”
“I don’t want a lot for Christmas”
“Santa knows exactly what I need”
“Under twinkling lights is where I’ll stay”
What is the best selling Christmas single of all time?
Silent Night
Rudolph the Red- Nosed Reindeer
Blue Christmas
White Christmas
What is the complement to the DNA strand below?
5'-ATGCCAT-3'
5'-TACGGTA-3'
3'-TACGGTA-5'
3'-ATGGCAT-5'
5'-ATGGCAT-3'
In DNA, __ pairs with __, and they are held together by a __ bond.
Adenine; guanine; covalent
Guanine; cytosine; hydrogen
Thymine; guanine; hydrogen
Adenine; thymine; covalent
Which part is DNA is responsible for the overall negative charge of DNA molecules?
Deoxyribose sugar
Adenine
Phosphate
Thymine
What were Frosty's last words?
I'm a fairy tale they say.
There must have been some magic in that old silk hat they found.
I can play just the same as you and me.
I'll be back again some day.
In preparation for an electrophoresis procedure, restriction enzymes are added to DNA
in order to __.
Convert the DNA into gel
Cut the DNA into fragments
Change the color of the DNA
Produce longer sections of DNA
A student performed a gel electrophoresis experiment. The results are represented in the diagram
below. Compared to the fragments at the top of the gel, the fragments at the lower end are __.
Larger, and move slower
Larger, and move faster
Smaller, and move faster
Smaller, and move slower
This technology allows us to develop an artificial immunity to a disease without ever getting sick from the disease.
Antibiotics
Vaccines
Blood transfusions
Gel electrophoresis
In Elf, Buddy says elves stick to four main food groups: candy, candy canes, candy corns - and what else?
Chocolate
Sweet Yams
Syrup
Popcorn
Which of the following statements is NOT true?
Prokaryotes do not have a nucleus, whereas eukaryotes do.
Prokaryotes and eukaryotes have ribosomes.
Prokaryotes have numerous membrane-bound organelles, whereas eukaryotes do not.
Prokaryotes are smaller than eukaryotes.
Which of the following is produced by B cells and is designed to mark pathogens to be destroyed?
Antigens
Macrophages
Antibodies
Antibiotics
What is Scrooge's first name?
Bob
Tim
Rupert
Ebenezer
The genotype for a yellow plant is...
What is the predicted percentage of homozygous recessive offspring in this cross?
0%
25%
50%
75%
Complete dominance
Incomplete dominance
Co-dominance
Sex-linked
During transcription, this type of ribonucleic acid is responsible for copying the DNA and bringing it out of the nucleus.
tRNA
mRNA
rRNA
dRNA
Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA
UUGACUU
TTGACTT
AACTGAA
AACUGAA
Base
Codon
Amino
Protein
Nucleus
Cytoplasm
Ribosome
Mitochondria
What does NOT happen during interphase (90% of cell cycle)?
Growth
Obtaining nutrients
Cell division
DNA is replicated during ______ of the cell cycle.
G1
S
G2
M
In metaphase of mitosis, chromosomes __.
Form and the nuclear envelope disappears
Are pulled toward opposite ends of the cell
Line up along the equator of the cell
Begin to decondense and the two new nuclei begin to form
This process is the programmed death of a cell which prevents mutated cells from continuing through the cell cycle.
Stem cell destruction
Gene regulation
Apoptosis
Binary fission
The end result of meiosis is...
4 identical cells
4 genetically different cells
2 identical cells
2 genetically different cells
How many chromosomes do the daughter cells have in mitosis?
23
46
2
4
How many divisions are in meiosis?
46
23
2
4
Melanoma can be caused by
Ultraviolet radiation
Wearing sunscreen
High blood pressure
Bacterial endospores
What do scientists use the CRISPR/Cas9 tool for?
To create new people.
To alter an organism's protein.
To alter an organism's genome.
To fight off viruses in RNA.
The study of the inherited changes in gene expression that occur without a change in gene sequence and influence how an organism's genes express themselves. Mechanisms are influenced by food and environment. They play an important role in the fetal basis of adult disease susceptibility.
Biotechnology
Gel electrophoresis
Protein synthesis
Epigenetics
Is this person a male or female?
Male
Female
Which of the following is NOT a function of proteins?
Catalysts
Long term energy
Transport
Structure
Which of the following is NOT a way that bacteria are helpful for organisms?
They can be decomposers.
They produced vitamins in the gut.
They contain plasmids with antibiotic resistance genes.
They fix nitrogen for plants.
Which scientist’s work provided the crucial X-ray diffraction images that helped Watson and Crick determine the structure of DNA?
James Watson
Gregory Mendel
Maurice Wilkins
Rosalind Franklin
Which example best represents a chromosomal mutation rather than a gene mutation?
A single base substitution in the hemoglobin gene
A frameshift caused by one extra nucleotide
Duplication of a large segment of a chromosome
A change in one codon of a gene
Ribosome / nucleus
Protein synthesis
What phase is being shown?
Metaphase of mitosis
Metaphase of meiosis I
Metaphase II of meiosis
Crossing over
