Exam 1

Which of the following is TRUE according to the cell theory?

Which of the following is NOT a correct match between an organelle and its function?

Cells of which of the following do NOT contain a membrane-bound nucleus?

Hydrogen bonds occur in all of the following EXCEPT:

Which of the following is required by macrophages to digest a bacterium once it has been engulfed?

Which of the following would you correctly predict has the greatest surface area to volume ratio?

Animal cells can be infected by certain types of bacteria. An antibiotic that kills these infectious bacteria should inhibit a process specific to bacteria only and not animal cells. Which of the follow actions would be ideal for such antibiotic?

Which of the following is a disaccharide?

Grana, composed of thylakoid membranes, are structures of ______.

Two atoms that equally share electrons, e.g., the carbon-hydrogen bond in methane (CH4), is called a _____ bond.

Which two functional groups are characteristic of amino acids?

Which structure regulates passage of molecules/ions into and out of all types of cells?

You are asked to determine in an unknown solution contains protein using Biuret reagent. In this experiment you set up the follow three tubes:

Tube 1:
1 mL of unknown solution.
2 mL of Biurets solution.
0 mL of water.
3 mL = Total Volume.

Tube 2:
1 mL unknown solution.
0 mL Biurets solution.
2 mL water.
3 mL = Total volume

Tube 3:
0 mL unknown solution.
2 mL Biurets solution.
1 mL water.
3 mL = Total volume

Which of the tubes is the control for the experiment?

Whcih of the following statements about the plasma membrane is FALSE?

The three major Domains of Life are...

Which of the following is the experimental variable?

Secretion of molecules, e.g., antibodies, by cells is called _____.

Whicih of the following might be said by a reputable scientist?

Which of the following is NOT a correct match between membrane protein types and their function?

You would correctly plot ____ on the X axis and ____ on the Y axis of a graph.

_____ is the msot abundant polysaccharide on earth, found in plant cell walls, and is composed of glucose subunits.

DNA is composed of _____.

A transport protein in nerve cells is responsible for moving Na+ and K+ across the membrane against their concentration gradient using an available energy source. This is an example of which of the following?

The substitution of one type of amino acid with another type of amino acid of a protein may result in change to which one or more of the following of a protein?

A 0.9% NaCl solution is isotonic to a cell's cytoplasm. Which of the following is TRUE?

Which of these solutions has the HIGHEST concentration of protons?

You discovered a new toxin that inhibits ALL dehydration-type reactions between molecules. Which of the following will NOT be affected by this drug?

Which of the following is NOT one of macronutrients of living organisms?

You work as the lab technician for a lab. You have an unknown sample that you are viewing with a transmission electron microscope. You observe only cells with chloroplasts and central vacuole. You can correctly conclude which one or more of the following?

For questions 8-10: You are a lab technician and are asked to determine the effect of varying amounts of fertilizer on the growth of beans grown in a test tube. You set up three groups of 5 tubes as indicated below and record the results:

Tubes 1-5:
0 mg of fertilizer per tube.
Average plant height: 10 cm

Tubes 6-10:
10 mg of fertilizer per tube.
Average plant height: 15 cm.

Tubes 11-15:
1000 mg of fertilizer per tube.
Average plant height: 40 cm.

Which of the following is true?

The most abundant component of the plasma membrane of all living cells is (are) _____

Which of the following statements about how organisms interact with their environment and exchange matter and energy is FALSE?

According to the fluid-mosaic model, a cell membrane structure is an assemblage of ____.

Which of the following would you correctly predict to happen?

Which of the properties of water is important for cooling you off while and after running on a warm day?

You would correctly predict a cell that requires a l ot of energy in the form of ATP, such as neuron or muscle cell, contrains a large number of _____.

A significant difference between fats and oils is that oils have ______ and fats have ______.

The biologically important properties of water molecules are due to water molecules ____ characteristic and the ability to form ____ between each other.

You would correctly predict to find a lot of which of the following in the cells that are responsible for producing and secreting a lot of protein, e.g., antibodies?

Which of the following is FALSE about living things?