Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
75 Cards in this Set
- Front
- Back
As a general rule, the _______ is the best measure of central tendency because it is more precise. |
Mean |
|
Which website does Dr. McCue recommend for finding a journal club article? |
Academic Search Complete/EBSCO |
|
In the language of experiments, what is a treatment? |
a condition or intervention which is applied to individuals (independent variable) |
|
Which of the following is NOT a measure of variability? |
Median |
|
How is variation within an experimental group typically shown on a graph? |
Error Bars |
|
How should you cite references in the text of Dr. McCue's journal club? |
(Reference number) |
|
A graph that uses vertical bars to represent data is called a ____. |
Column graph |
|
How are experimental groups that are found to be significantly different from one another indicated on a graph? |
Asterisks or Letters, and description in caption |
|
Which of the following is NOT a common measure of central tendency |
Range |
|
The probability that two groups are the same is called the: |
p-value |
|
In the language of experiments, what is a dependent variable? |
something that is measured from the subjects |
|
What does it mean for a result to be statistically significant? |
The result or relationship is caused by something other than mere random chance. |
|
What is the standard p-value for 2 groups to be considered Significantly Different? |
p<0.05 |
|
1 micron is equivalent to: |
one millionth part of a meter |
|
The ordinary refrigerator, when operating normally, has a temperature that approaches: |
4°C |
|
The best for pipetting 75 microliters |
P200 Micropipettor with Yellow Tip |
|
1 milliliter is equivalent to: |
1,000 microliters |
|
1000 microliters is equivalent to: |
1 ml |
|
The regular laboratory incubator maintains a temperature of about: |
37°C |
|
The best for collecting 0.5 ml |
1.5 ml e-tube (eppendorf tube) |
|
Members of which prokaryotic domain are most closely related to eukaryotes evolutionarily? |
archaea |
|
Which characteristic is least applicable to the development of science? |
personal conviction |
|
The role of a control in an experiment is to |
provide a basis of comparison to the experimental group. |
|
What is a hypothesis? |
a testable explanation of a natural phenomenon |
|
Living organisms are members of all of the levels listed below. However, rocks are components of |
both the ecosystem and the biosphere. |
|
What characteristic is common to all living things? |
All living things sense and respond to change. |
|
Which of the following best defines the term transgenic organism? |
an organism containing a gene from another species |
|
The human genome contains approximately ______ genes. |
21,000 |
|
Which of the following enzymes catalyzes the elongation of a new DNA strand? |
DNA polymerase |
|
Use Final Volume - Concentrate Volume for: |
Dilutions: Diluent Volume (water) |
|
A 3-dimensional image is obtained with the transmission electron microscope. |
False |
|
Birefringent particles or particles like talc, silica and urate are examined using: |
polarized light |
|
The technique used to replicate small amounts of DNA in the laboratory is: |
polymerase chain reaction (PCR) |
|
Electron microscope create colored images. |
False |
|
New instruments are validated by the manufacturer and may be put into use immediately. |
False |
|
Maximum resolution of about 0.05 nanometers and maximum magnification of 1,000,000X |
Electron microscope |
|
When checking the pH of a staining solution, the pH meter should be calibrated using a standard solution with a pH value: |
closest to that of the staining solution |
|
The correct order of steps in ELISA: |
Antigen, Primary Antibody, Secondary Antibody, Substrate |
|
Antibodies are shaped like the letter |
Y |
|
ELISA stands for: |
Enzyme Linked Immunosorbent Assay |
|
To be positive on an ELISA, an infected patient's serum must contain: |
Antibodies to the infectious agent |
|
The ultimate source of all new alleles is |
mutation. |
|
The operation of natural selection depends upon the fact that ____. |
some individuals have a better chance to produce more offspring |
|
Which of the following represents a pair of homologous structures? |
the wing of a bat and the flipper of a whale |
|
The tailbone of humans is an example of a(n) ____. |
vestigial feature |
|
The most important evidence that Darwin used to develop his theory of natural selection came from ____. |
the Galápagos Islands |
|
When 1 formula weight (gram molecular weight) of a chemical is dissolved in 1 L of solution, the solution is called: |
1 molar |
|
Use (Low concentration/High concentration) x Final Volume for |
Dilutions: Concentrate Volume |
|
Use Formula Weight (g) x Final Molarity (M) x Final Volume (L) for: |
Molar Solutions: Solute |
|
The EXCEL tabs for editing axis titles, legends, and error bars is: |
CHART TOOLS, LAYOUT |
|
What does it mean for a result to be statistically significant |
The result or relationship is caused by something other than mere random chance. |
|
The EXCEL tabs for making a graph: |
INSERT, COLUMN |
|
Which of the following statements is true? |
The larger the sample size, the closer the sample mean will be to the population mean |
|
What is the relationship between Standard Error, Standard Deviation and Variance? |
Var>SD>SE |
|
The probability that two groups are the same is called the: |
p-value |
|
Why do we use inferential statistics? |
Inferential statistics are used to help us to generalise from the sample to the whole population. |
|
Four of the following five events shuffles existing alleles into different combinations in sexually reproducing organisms. Which one is the exception? |
mutation |
|
Mutations are important because they: |
provide variation that can result in evolutionary change. |
|
Four of the following are characteristics of a species. Which one is the exception? |
They are identical in appearance |
|
Sexual dimorphism has arisen as a result of ____. |
sexual selection |
|
Stabilizing selection occurs when |
the extremes of the population have a lesser chance to survive. |
|
The Hardy-Weinberg law is |
useful in determining the extent to which a sexually reproducing population is evolving. |
|
Allopatric speciation requires ____. |
physical separation |
|
Which of the following best expresses the concept of natural selection? |
differential reproductive success based on inherited characteristics |
|
The emergence of many diverse species from a common ancestor is called |
adaptive radiation. |
|
modern geologists estimate that the age of Earth is about: |
4.5 billions |
|
Which of the following pHs is considered acidic? |
6.5 |
|
Which of the following types of reproductive barriers separates a pair of moth species that could interbreed except that the females' mating pheromones are not attractive to the males of the other species? |
behavioral isolation |
|
Sympatric speciation commonly occurs through ________ in plants, but is more likely to occur through ________ in animals. |
polyploidy . . . habitat differentiation and sexual selection |
|
Speciation caused by a change in the course of a river is an example of ____ speciation. |
allopatric |
|
Which of the following is the best definition of sympatric speciation? |
divergence within a population leads to speciation in the absence of a physical barrier to gene flow. |
|
Which statement about gene mutations is FALSE? |
All mutations are transmitted to the next generation. |
|
What is the term for a group of organisms of the same species that occupies a specified area? |
Population |
|
The geographic isolation of a population from other members of the species and the subsequent evolution of reproductive barriers between it and the parent species describes ________ speciation. |
allopatric |
|
Two populations of organisms belong to the same biological species when they |
encounter each other, mate, and produce viable, fertile offspring under natural conditions |