In the scientific name for the gray wolf is Canis lupus. Which part is the species?
Canis
lupus
Question 2
In the scientific name for the gray wolf is Canis lupus. Which part is the genus?
lupis
Canis
Question 3
Which of the following represents the number 12300 in scientific notation?
3 x 103
1.23 x 10-3
12.3 x 10-4
1.23 x 104
Question 4
What is wrong with how this binomial nomenclature is written?
homo sapiens
The whole thing should be italicized.
The species should be capitalized AND the whole thing should be italicized.
The species should be capitalized.
The genus should be capitalized AND the whole thing should be italicized.
The genus should be capitalized.
Question 5
How would you make a 1/100 dilution of 1mL of concentrated bacteria?
Add 100 mL of sterile water.
Add 10 mL of sterile water.
Add 49 mL of sterile water.
Add 99 mL of sterile water.
Question 6
You test a solution to measure its pH and it has a pH of 13. From this information, you determine the solution is
acidic
basic
Question 7
You test a solution to measure its pH and it has a pH of 3. From this information, you determine the solution is
basic
acidic
Course Review-Question 8
Using the formula for original cellular density (OCD= CFU/ v x D), solve the following problem. You count 86 colonies on a plate that you made by spreading 0.1mL of a 10-5 dilution. What is the original cellular density of the original culture?
8.6 x 10-6 CFU/mL
8.6 x 106 CFU/mL
8.6 x 107 CFU/mL
8.6 x 10-7 CFU/mL
Question 9
Which of the following does NOT represent a molecule of RNA?
contains the sugar deoxyribose
contains the nitrogenous base uracil
contains a sugar-phosphate backbone
is single stranded
Question 10
The fatty acid shown below is ________________.
unsaturated
saturated
Question 11
The formation of hydrogen bonding between molecules in the backbone of a protein refers to what level of protein structure?
quaternary structure
secondary structure
tertiary structure
primary structure
Question 12
A molecule with the formula C12H24O2 is most likely to be ______.
hydrophilic
hydrophobic
Question 13
The bacteria on Ravi’s unknown slant are beige (light tan). He concludes that given the unknown key above that he does not need to do any further testing to determine his unknown. Which of the following statements are true about his conclusions?
Ravi is incorrect. He would need to carry out Carbohydrate Fermentation to get enough data to make the correct choice
Ravi is incorrect. Pigment is never enough information to identify an unknown.
Ravi is incorrect. He needs to do a Gram stain to come to the correct conclusion.
Ravi is correct. Because his bacteria do not have any pigment, there is only one organism it can be.
Question 14
Conduct an Ames test to determine if a new chemical, ChemicalX, is a mutagen. You have two sets of plates with low histidine media. The plate with the bacteria that were not treated with ChemicalX before plating (the control) have two revertants, while the plate with bacteria treated with ChemicalX has 25 colonies. What can you conclude from these data?
ChemicalX is not a mutagen because it has not induced more mutations that enable to the bacteria to make their own histidine.
ChemicalX is a mutagen because this test shows that it causes cancer.
ChemicalX is a mutagen because it has induced more mutations that enable to the bacteria to make their own histidine.
ChemicalX is not a mutagen because this test shows that it does not cause cancer.
Question 15
Use the picture below to answer the following question.
A BIOL107 student, when shown the plant cell above, determined that water would flow into the cell and that the cell would burst. Which of the following is the mistake this student made?
Water would flow towards the outside of this cell, not the inside.
This cell has a cell wall, so it would not burst.
Bursting only occurs when the solute inside is 10% or higher.
Water flows towards the hypotonic solution, not the hypertonic solution.
Course Review-Question 16
Erika performs a Gram stain on her unknown bacteria and sees pink rods, which of the following could be her unknown?
Escherichia coli or Pseudomonas aeruginosa because they are both Gram-negative bacilli.
Bacillus subtilis or Escherichia coli because they are both bacilli, but different in their Gram-staining.
Bacillus subtilis only because it is Gram-positive and described as bacilli.
Escherichia coli only because it is Gram-negative and described as bacilli.
Pseudomonas aeruginosa only because it is Gram-negative and described as bacilli.
Question 17
The presence of bacteria in ANY part of the human body indicates disease
True
False
Question 18
Which type of immunity occurs when a person receives a vaccine for a specific virus like chicken pox?
natural active immunity
artificial active immunity
natural passive immunity
artificial passive immunity
Question 19
Which type of cell is responsible for the production of antibodies within the adaptive immune response?
B cells
red blood cells
phagocytes like neutrophils and macrophages
T cells
Question 20
Which type of cell is responsible for engulfing and destroying pathogens through the process of phagocytosis within the innate immune response?
B-cells
red blood cells
T-cells
phagocytes like neutrophils and macrophages
Question 21
Which of the options does NOT represent X-linked inherited traits and diseases?
Genetic females can be carriers for the traits or diseases
The traits are often more commonly expressed in males
They are traits inherited on the X chromosome
Fathers will always transmit the trait to their sons
Question 22
If you cross a red plant with a white plant and the offspring is pink, what is that called?
Epistasis
Incomplete Dominance
Polygenic Inheritance
Codominance
Question 23
Blood is determined by individual combinations three alleles, IA, IB, and I. When the genotype is IAIB, they make blood type AB. This is an example of
epistasis
polygenic inheritance
Codominance
Incomplete Dominance
Question 24
An organism with two different alleles for one gene is considered heterozygous for that gene.
True
False
Answer Preview-Course Review-BIOL-107
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