View all example questions by scrolling down, or select samples of particular labs from the list below:

Lab 7
Lab 8
Lab 9
Lab 10

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Lab 7 - DNA to Protein
1. Name the stage of development.
A. blastula
B. gastrula
C. oogonia
D. mature sperm
2. What does "mRNA" stand for?
A. multiple RNA
B. messenger RNA
C. medium RNA
D. metabolic RNA
3. What is the purpose of protein synthesis?
A. build up proteins from amino acids
B. break proteins down into separate amino acids
C. replicate proteins
D. transfer proteins
4. DNA, which remains in the nucleus, can direct the making of proteins through ____.
A. RNA
B. ATP
C. amino acids
D. DNA is not involved
5. What does "tRNA" stand for?
A. template RNA
B. temporary RNA
C. transfer RNA
D. transport RNA
6. The _____ on mRNA can only pair up or "match" a(an) _____ on a specific tRNA.
A. codon, anticodon
B. phosphate, sugar
C. base, phosphate
D. anticodon, codon
7. Proteins are built within cells at specific structures called ___.
A. chromosomes
B. golgi bodies
C. mitochondria
D. ribosomes
8. ___ is the actual process in which mRNA information is converted into protein structure.
A. replication
B. transcription
C. translation
D. mitosis
Lab 8 - Meiosis
1. Which of these "pipe cleaner models" represents a homologous pair of chromosomes?
  Review your lab notes from this exercise for 1 or 2 possible questions
2. Which of the following correctly identifies the structure at the tip of the pointer?
  A. diploid sperm in ovary  
  B. immature follicle in testis  
  C. mature follicle with oocyte  
  D. secondary spermatocyte  
3. Name the process you are observing under the microscope.
  A. mitosis  
  B. spermatogenesis  
  C. oogenesis  
  D. translation  
4. What happens during Metaphase I of meiosis?
  A. cytokinesis occurs
  B. tetrads line up on the equatorial plate of the cell
  C. homologous chromosomes separate
  D. crossing-over occurs
5. Identify the structure at the tip of the pointer.
  A. spermatozoan  
  B. polar body  
  C. Graafian follicle  
  D. gastrula  
6. Name the round tubular structures at the tip of the pointer.
  A. Graafian follicles  
  B. seminiferous tubules  
  C. blood vessels  
  D. spermatogonia  
7. Meiosis results in the production of ______.
  A. diploid eggs  
  B. diploid sperm  
  C. 2 identical copies of cells  
  D. haploid gametes  
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Lab 9 - Genetics
1. Which of the following could be described as homozygous recessive?
  A. MM  
  B. Mm  
  C. mm  
  D. RrYy  
2. In the experiment with pairs of beans, a smaller sample will produce more accurate results.
  A. true  
  B. false  
3. A 3:1 ratio is present in which of the following counts of flower color?
  A. 112 blue : 104 red  
  B. 74 blue : 26 red  
  C. 300 blue : 200 red  
  D. none of these  
4. What kind of test papers were used in the human taste demonstration?
  A. PDQ  
  B. ERA  
  C. NRA  
  D. PTC  
5. What phenotypic ratio is illustrated by this ear of corn?
  A. 1:1 A quick glance at the ear will usually allow you

to correctly identify the ratio - if you have actually

looked at the corn before in lab!

  B. 3:1
  C. 1:1:1:1
  D. 9:3:3:1
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Lab 10 - Classification
1. What is the shape of the bacterium at the end of the pointer?
  A. bacillus  
  B. coccus  
  C. spirillum  
  D. oscillate  
2. Name the means of locomotion of the organism at the pointer tip.
  A. amoeboid movement  
  B. flagella  
  C. cilia  
  D. none of the above  
3. Name the kingdom of the specimen at the tip of the pointer.
  A. Monera  
  B. Animalia  
  C. Plantae  
  D. Protista  
4. Lists of distinguishing characteristics arranged in couplets would describe which of the following?
  A. species lists  
  B. binomial names  
  C. dichotomous keys  
  D. classification  
5. Which of the following is a member of the phylum Ciliophora and moves by means of cilia?
  A. Paramecium  
  B. Amoeba  
  C. Plasmodium  
  D. Euglena  
6. Diatoms are common algae that belong to the phylum ____.
  A. Rhodophyta  
  B. Euglenophyta  
  C. Phaeophyta  
  D. Chrysophyta  
7. Slime molds belong to the kingdom _______.
  A. Fungi  
  B. Plantae  
  C. Protista  
  D. Monera  
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