Which piece of equipment can BEST measure the volume of ink in a pen?
10 mL graduated cylinder
100
Molecules move from areas of low concentration to areas of high concentration through the process of
active transport
100
What factor does NOT affect the process of photosynthesis?
nitrogen concentration
100
How are mitochondria and chloroplasts similar and how are they different?
both are double membrane-bound organelles, but mitochondria perform respiration which chloroplasts perform photsynthesis
100
The transportation of amino acids is carried out by ___.
RNA
200
Which piece of equipment should be selected for boiling broth?
flask
200
A cell that has been placed in a sugar solution is _____ because water left the cell by ____.
smaller; osmosis
200
What product is missing from the following equation:
6CO2 + 6H2O ---> ________ + 6O2
sugar
200
Which organelles are involved in synthesizing and packaging protein?
ribosomes and Golgi body
200
As a result of base pairing in DNA, there is the same number of which two bases?
guanine and cytosine AND adenine and thymine
300
Which tool can be used to MOST accurately determine the volume of a paper clip?
graduated cylinder
300
A single-celled paramecium is placed into a dish that contains distilled water. Describe the cell processes that all the paramecium to achieve homeostasis.
water enters by osmosis and contractile vacuoles eliminate excess water by active transport
300
What are the products of cellular respiration?
water, carbon dioxide, energy
300
What is the different between the nucleus and the nucleolus?
nucleus stores DNA while nucleolus produces ribosomes
300
Which nucleotide sequence represents the corresponding portion of an RNA strand?
A C G C A G T
U G C G U C A
400
In addition to a stopwatch, which other tool can be used to determine how fast a single-celled organism moves?
compound microscope
400
There is a concentration gradient across a semi-permeable membrane where molecules move from an area of high concentration to an area of low concentration. Which type of transport is occurring?
passive transport
400
What is the primary purpose of cellular respiration?
to use chemical energy from glucose molecules
400
Which type of cell does not have a nucleus or membrane-bound organelles?
prokaryotic cell
400
Which sequence represents a DNA strand that would complement the following mRNA strand?
CUA UGC AUG CCA
GAT ACG TAC GGT
500
A student wants to grow bacteria on a solid nutrient agar. Which type of glassware is MOST appropriate for this procedure?
petri dish
500
What will occur as a result of placing a potato slice in a salt water solution?
water will move out of the potato cells because the solution is more concentrated
500
What are the reactants of cellular respiration?
sugar and oxygen
500
A group of cells what work together for a common function is MOST LIKELY describe as a
tissue
500
What preserves the genetic code from one generation to the next?