Bio lab Midterm.

What are the magnification powers of the objective lenses on the microscopes? Select one: a. 10X, 50X, 100X b. 4X, 10X, 40X c. 4X, 20X, 100X d. 2X, 10X, 50X

4X, 10X, 40X

a concentration gradient is best described as a. A difference in concentration of a substance between two areas b. the random motion of molecules c. the movement of molecules from an are of high to an area of low concentration d. the color change created as molecules go from hot to cold

A difference in concentration of a substance between two areas

Which of the following are helpful in finding appropriate references for your lab report? a. Google Scholar b. Library searchable databases c. A librarian d. All of the above

All of the above

All of the following are true except ___. a. Refer to the graph within the Results section b. The graph should follow the Results section c. Always interpret the data at the end of the Results section d. The axes of the graph must be labeled and include the units of measurement e. All of the above

Always interpret the data at the end of the Results section

All of the following are true except ___. a. Refer to the graph within the Results section b. The graph should follow the Results section c. Always interpret the data at the end of the Results section d. The axes of the graph must be labeled and include the units of measurement e. All of the above

Always interpret the data at the end of the Results section

All of the following are true except ___. a. Refer to the graph within the Results section Incorrect b. The graph should follow the Results section c. Always interpret the data at the end of the Results section d. The axes of the graph must be labeled and include the units of measurement e. All of the above

Always interpret the data at the end of the Results section

Which solution in this week's experiment contained the highest concentration of sugar? A B C

B

This sentence should be included in which section? - The increase in hormone production in fish has been linked to several pollutants (Smith 1998). a. Introduction b. Materials and Methods c. Results d. Discussion e. Both A and D

Both A and D

the random motion of molecules due to molecular energy is called: a. Brownian motion b. electrostatic motion c. spontaneous motion

Brownian motion

The SLU Writing Center is located in ____. a. Biology Bldg., room. 210 Incorrect b. D. Vickers Hall, room 383 c. D. Vickers Hall, room 104 d. First Floor of the Library

D. Vickers Hall, room 383

The Results section of the lab report should not___. a. Summarize the data by describing initial and final measurements b. Use averages or percents to summarize data c. Describe trends within data d. Describe every data point recorded during the experiment e. All of the above

Describe every data point recorded during the experiment

All are true regarding the Introduction except ___. a. States the problem b. States the question to be answered c. Describes experimental setup d. States the purpose of the experiment

Describes experimental setup

All are true of the Discussion section except___. a. Relates results of experiment to background information b. Explains how experiment was conducted c. Includes a conclusion on the null hypothesis d. All are correct

Explains how experiment was conducted

What is the purpose of the Discussion section? a. Identifies the subject area of interest b. Reports results that will support the answer to the question or problem c. Explains how the experiment was conducted d. Interprets the results and explains what happened in the experiment

Explains how the experiment was conducted

Which of the following are appropriate sources to cite in your lab report? Select one: a. Encyclopedia b. Dictionary c. Lab manual d. Wikipedia e. Both C and D

Lab manual

Which of the following is the best written sentence? a. Squirrels aren't choosy when it comes to nuts. b. Most squirrels don't like millet, but do enjoy sunflower seeds. c. Most squirrels enjoy sunflower seeds, but aren't fond of millet. d. Most squirrels prefer sunflower seeds over millet seeds.

Most squirrels prefer sunflower seeds over millet seeds.

Which of the following is the best written sentence that includes the information below taken from an article written by Dr. Costanza, but avoids plagiarism? -A decade of research from Sunshine Health Clinic has shown that 20 minutes of exercise a day can decrease cholesterol and promote weight loss. a. "The Sunshine Health Clinic has shown that 20 minutes of exercise a day can decrease cholesterol and promote weight loss." b. Research has shown that exercising 20 minutes a day can help an individual lower their cholesterol and lose weight (Costanza 2010). c. "The Sunshine Health Clinic has shown that 20 minutes of exercise a day can decrease cholesterol and promote weight loss." (Costanza 2010). d. None are correct

Research has shown that exercising 20 minutes a day can help an individual lower their cholesterol and lose weight (Costanza 2010).

A cell containing a high concentration of solute is submerged in fresh water. Which of the following will happen? a. Water will move into the cell b. Water will move out of the cell c. The cell will shrink d. Solute will move into the cell

Water will move into the cell

Which of the following is not one of the three components of cell theory? a. all cells are prokaryotic or eukaryotic b. cells are the basic unit of life c. cells arise from other cells d. all living things are composed of cells

all cells are prokaryotic or eukaryotic

Plagiarism is _____. a. considered cheating b. a violation of the honors code of the university c. grounds for receiving zero credit for an assignment d. the use of another person's work represented as your own e. all of the above

all of the above

Which of the following are helpful in finding appropriate references for your lab report? a. Google Scholar b. Library searchable databases c. A librarian d. All of the above

all of the above

proteins are made up of multiple _____ joined by peptide bonds. a. monosaccharides b. amino acids c. polymers d. sugars

amino acids

what element is at the center of organic molecules? a. carbon b. carbon dioxide c. hydrogen

carbon

As magnification increases, depth of field ______________. a. decreases b. increases c. stays the same

decreases

As magnification increases, field of view ______________. a. stays the same b. Increases c. decreases

decreases

Which type of reasoning uses previous generalizations to draw conclusions? (For example, concluding that algae, which shares many characteristics with plants, must also be made up of cells.) a. deductive b. reductive c. inductive

deductive

The thickness of a specimen that can be viewed with one plane of focus (like a single page in a book) a. magnification b. resolution c. field of view d. depth of field

depth of field

which of the following are not macromolecules? a. proteins b. disaccharides c. starches

disaccharides

starches' main function is? a. insulation b. carrying genetic information c. energy storage

energy storage

which of the following are all examples of lipids: a. vitiaman A, veg oil, nucleic acids b. veg oil, wax, cellulose c. phospholipids, amino acids, chloesterol d. fat, cholesterol, vitamin A

fat, cholesterol, vitamin A

The area that can be seen when looking through the microscope is the a. magnification b. resolution c. field of view d. depth of field

field of view

A brief description of the graph placed below the figure is known as the ____.

figure legend

A brief description of the graph placed below the figure is known as the ____. a. X- Axis b. Y-Axis c. Figure legend d. Literature Cited

figure legend

which organelle specializes in distributing secretory proteins? a. golgi apparatus b. ribosome c. mitochondrion d. lysosome

golgi apparatus

Long quotations ___.

have no place in a lab report.

A cell containing a high concentration of solute is submerged in fresh water. The interior of the cell is described as: a. Hypotonic b. Hypertonic c. Isotonic d. Salty

hypertonic

As magnification increases, resolution ______________. a. increases b. decreases c. stays the same

increases

What kind of reasoning uses observations to make generalizations about natural phenomena? (for example, looking at a slice of a plant under a microscope, seeing the block-like shapes making up the tissue, and concluding that this plant is made up of cells.) a. reductive b. inductive c. deductive

inductive

Name the independent variable in the following null hypothesis: The color of ink has no effect on termites following the line or not. a. termites following or not following the line b. ink color c. type of paper

ink color

What is the first step of the scientific method? a. draw conclusions b. perform an experiment c. make observations d. form a hypothesis

make observations

The use of third person past tense is____. a. optional b. awkward and misleading c. never appropriate d. mandatory with the possible exception of the Discussion section

mandatory with the possible exception of the Discussion section

which is a characteristic that prokaryotic cells do not have and that all eukaryotic cells do? a. plasma membrane b. membrane bound nucleus c. genetic material d. cell wall

membrane bound nucleus

which is not one of the three characteristics of all cells? a. plasma membrane b. membrane bound nucleus c. genetic material d. abiility to perform chemical reactions

membrane bound nucleus Correct

this large molecule is made up of many repeating units: a. monosaccharide b. micromolecule c. macromolecule d. macrosaccharide

micromolecule

which organelle speciealizes in energy production? a. golgi apparatus b. ribosome c. mitochondrion d. lysosome

mitochondrion

polysaccharides are made up on multiple____ a. lipids b. starches. c. monosaccharides d. macromolecules

monosaccharides

Total magnification is calculated by Select one: a. multiplying the power of the objective lens by two. b. multiplying the powers of the ocular and objective lenses c. adding the powers of the ocular and objective lenses d. multiplying the powers of the objective lenses together

multiplying the powers of the ocular and objective lenses

Citations in the text of the lab report ____. a. do not need to be included in the Literature Cited section. b. must include the page number. c. are optional. d. are only necessary if the Literature Cited is omitted e. must also appear in the Literature Cited section.

must also appear in the Literature Cited section.

Which of the following writing styles are acceptable to use in preparing your lab report? a. APA b. MLA c. NSF d. None of the above

none of the above

The Literature Cited section can be written using the following writing styles: Select one: a. APA b. MLA c. NSF d. None of the above ( follow the handout)

none of the above (follow the handout)

What kind of hypothesis states that the experimental treatment (the independent variable) will have no effect on the outcome of the experiment (the dependent variable)? a. dependent b. independent c. null d. alternative

null

What kind of hypothesis states that the experimental treatment (the independent variable) will have no effect on the outcome of the experiment (the dependent variable)? a. dependent b. independent c. null d. alternative

null

In the Ant-B-Gone experiment, what was the dependent variable? a. whether or not pesticide was used b. the control c. number of dead ants

number of dead ants

The lens above the stage, that you put the specimen directly under, is the ______ lens. a. magnifying b. reductive c. ocular d. objective

objective

The lens you put your eyes up to is the ___________ lens. a. reductive b. ocular c. objective d. magnifying Feedback

ocular

Which of the following markings did the termites pay the least attention to? a. pencil b. blue pen c. black pen

pencil

Which of the following markings did the termites pay the least attention to? a. pencil b. blue pen c. black pen

pencil

multiple, monomers, when joined form? a. monsaccharides b. polymers c. lipids d. amino acids

polymers

which of the following is a eukaryotic group? a. Protista b. Bacteria c. Archaea

protista

The minimum distance between two objects at which they appear separate. a. resolution b. field of view c. magnification d. depth of field

resolution

which organelle is responsible for protein synthesis? a. golgi apparatus b. ribosome c. mitochondrion d. lysosome

ribosome

molecules dissolved in water are referred to as a. solvent b. solute c. tonics d. quarks

solute

glucose, frutose, lactose, and sucrose are all: a.macromolecules b. sugars

sugars

which of the following are the factors that affect diffusion rates? a. temperature, steepness of concentration gradient, and the size of the molecules diffusing b. temperature, steepness of concentration gradient, and electrostatic repulsion c. Steepness of concentration gradient, size of molecules diffusing, and ratio of lipids to carbohydrates

temperature, steepness of concentration gradient, and the size of the molecules diffusing

Name the dependent variable in the following null hypothesis: The color of ink has no effect on termites following the line or not. a. Ink color b. type of paper c. termites following the line or not

termites following the line or not

Which of the following does not belong in the Discussion section? Select one: a. The results of this experiment suggest Miracle Grow fertilizer is the best plant food. b. The average height of tomato plants treated with Miracle Grow fertilizer was 177cm. c. Tomato plants grow best in Miracle Grow due to the balanced concentration of the fertilizer. d. All of the above belong in the Discussion e. both B and C do not belong in the Discussion

the average height of tomato plants treated with miracle grow fertilizer was 177cm.

In the Ant-B-Gone experiment, what would you call the ant mounds that were sprayed with water but not treated with pesticide? a. the control b. the independent variable c. the dependent variable

the control

In the Ant-B-Gone experiment, what would you call the ant mounds that were sprayed with water but not treated with pesticide? a. the control b. the independent variable c. the dependent variable

the control

Osmosis refers specifically to a. the diffusion of water molecules across a membrane b. the diffusion of water molecules across a void c. the movement of a cell from wet to dry areas d. the diffusion of oxygen across a membrane

the diffusion of water molecules across a membrane

diffusion is best described as: a. the random motion of molecules b. the movement of molecules from an area of low to an area of high concentration c. the movement of molecules from an are of high to an area of low concentration d. a difference in the concentration of a substance between two areas

the movement of molecules from an are of high to an area of low concentration

Graphs are produced ____. Select one: a. with colored pencils b. by the SLU Writing Center c. using a computer program d. for the entire class by the instructor

using a computer program

a control present in all of the experiments last week was: a. water b. starch solution c. egg white d. glucose soultion

water

In the Ant-B-Gone experiment, what was the independent variable? a. whether or not pesticide was used b. number of dead ants c. the control

whether or not pesticide was used