SCI 115 WEEK 8 QUIZ 8

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SCI 115 Week 8 Quiz 8

1.     Why is it unlikely that DNA was NOT the first self-replicating molecule of life?

2.     Experiments like those performed by Stanley Miller in the 1850s demonstrated

3.     Bacteria can exchange genes with other bacteria by a method called

4.     You boil water that has been extracted from a swamp and find there are archaea that are still alive. These archaea are most likely

5.     The first eukaryotic cells were

6.     Plasmodium is

7.     If fertilization occurs, the seed will develop from the

8.     Which of the following will eventually produce a female gametophyte?

9.     Microspores mature into

10.   What do mosses and other nonvascular plants have that seed plants don’t have?

11.   Angiosperms

12.   The walls of fungi contain

SCI 115 WEEK 8 MOLECULAR BIOLOGY LAB ASSESSMENT

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SCI 115 Week 8 Molecular Biology Lab Assessment

1.     Consider the pedigree analysis of sickle-cell disorder.  Do both males and females appear to have the disease?

2.     Consider the pedigree analysis of sickle-cell disorder.  Do any of the offspring or parents have sickle-cell anemia?

3.     Consider the pedigree analysis of sickle-cell disorder.  Is it possible to be a "carrier'' (phenotypically normal but capable of passing the allele to one's offspring) for sickle-cell anemia?

4.     In looking at sickle-cell anemia, we are interested in studying the gene that codes for

5.     Can a single amino acid difference alter the overall structure of hemoglobin?

6.     Dideoxynucleotides

7.     In DNA fingerprinting, the probability of a match being due to chance diminishes as the number of markers used

8.     In DNA fingerprinting, a specific marker with two peaks indicates that the individual is ___________ with respect to that particular STR marker

9.     In DNA fingerprinting, a specific marker with a single peak indicates that the individual is ___________ with respect to that particular STR marker

10.   All of the specific STRs that the FBI looks at in its CODIS forensic DNA system are:

SCI 115 WEEK 7 QUIZ 7

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SCI 115 Week 7 Quiz 7

1.     What idea did Malthus champion that Darwin incorporated into his theory of evolution?

2.     Which of the following factors is the only one that influences radioactive decay?

3.     What is the cut off age for dating fossils by their Carbon 14 content?

4.     What was the name of the supercontinent that once contained all of Earth’s land masses?

5.     Similar body parts that reflect shared ancestry are known as

6.     What is true about homologous structures?

7.     ____ changes the DNA but has no impact upon the individual.

8.     When allele frequency changes, a population is said to no longer be in

9.     ____ is a random change in allele frequency over time that is brought about by chance.

10.   Puppies born too large experience difficulties in birthing and tend to have respiratory and other problems. Puppies born too small often can’t compete with their siblings for their mother’s milk. Thus, puppies born not too large or too small have a survival advantage. This is an example of ___ selection.

11.   The movement of alleles among populations is called

12.   A physical barrier that separates a population in half and that leads to the evolution of a new species is called

SCI 115 WEEK 6 QUIZ 6

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SCI 115 Week 6 Quiz 6

1.     Blood types (A, B, and O) are controlled by

2.     In humans, skin color is controlled by several genes. Thus, skin color is a(n) ____ characteristic.

3.     When two alleles of the same gene are different, the individual carrying those alleles is said to be

4.     Various forms of the same gene are called

5.     What could the children of a color-blind woman and a man with normal vision be?

6.     A condition in which an individual’s cells have too many or too few copies of a particular chromosome is called.

7.     In agriculture, the use of GMOs is regulated by

8.     Which of the following techniques reveals differences in the number of tandem repeats among individuals?

9.     Which of the following sub-disciplines of biology focuses on understanding the entire genetic composition of organisms?

10.   ______________ enzymes are able to cut DNA molecules at specific sequences?

11.   Which of the following phrases best completes this sentence: Plasmids, as used as tools in DNA research, are

12.   What percent of a person’s 3 billion nucleotides is unique to that person?

SCI 115 WEEK 5 QUIZ 5

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SCI 115 Week 5 Quiz 5

1.     Researchers use HeLa cells to

2.     Sexual reproduction

3.     In what part of the cell cycle does an actively dividing cell produce the proteins necessary for mitosis?

4.     In a non-dividing cell, what part of the life cycle is it in?

5.     Chromosomes are aligned at the middle of the cell during

6.     In mitosis,

7.     The spread of cancer cells from one site to others in the body is known as

8.     Proto-oncogenes are

9.     After meiosis, resulting daughter cells are likely to contain

10.   Sister chromatids are separated from each other during ____ of meiosis.

SCI 115 WEEK 5 CELL DIVISION LAB ASSESSMENT

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SCI 115 Week 5 Cell Division Lab Assessment

1.     In cells that virtually never divide, in which phase are they apparently locked?

2.     In multi-nucleate cells, which phase of the cell cycle is not utilized?

3.     During which phase of the cell cycle are chromosomes being copied?

4.     During which stage of mitosis does the nuclear envelope begin to reappear?

5.     What is the diploid number of chromosomes in the cells shown in the animation of mitosis?

6.     Chromatin is a feature of a nucleus in the stage of

7.     During meiosis, the centromeres divide as the cell moves into

8.     Meiosis produces ______ haploid nuclei.

9.     Crossing over occurs during _________ _

10.   Meiosis reduces the number of chromosomes to one-___ of the original
number.

SCI 115 WEEK 4 QUIZ 4

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SCI 115 Week 4 Quiz 4

1.     A eukaryotic chromosome consists of

2.     Body cells of human males contain

3.     If one strand of a DNA molecule read ACCTTGAC, what would the other side read?

4.     Complementary bonding of nitrogen containing bases in DNA is due to

5.     DNA polymerase

6.     Somatic cell nuclear transplant

7.     DNA molecules contain protein coding sequences called

8.     Intervening sequences that are removed from a mRNA before it leaves the nucleus are called:

9.     Transcription starts at a region of DNA called a(n)

10.   ____ molecules carry amino acids to ribosomes.

11.   A ribosome contains

12.   Epigenetics is most closely associated with which of the following?

SCI 115 WEEK 3 QUIZ 3

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SCI 115 Week 3 Quiz 3

1.     The second law of thermodynamics holds that

2.     Which of the following statements is CORRECT about enzymes?

3.     What happens to a molecule when it is phosphorylated?

4.     Osmosis involves

5.     Which of the following statements about blood cells in solutions is CORRECT?

6.     When there is a “concentration gradient” this means that

7.     Movement of substances that requires the expenditure of ATP molecules is

8.     The ultimate energy source for food production for most life on earth is

9.     The products of light-dependent reactions of photosynthesis, ATP and NADPH, go on to be used

10.   Most of the colors we see around us result from

11.   The Krebs cycle takes place in the

12.   In aerobic respiration, the final electron acceptor at the end of an electron transport chain is ________________.

SCI 115 WEEK 3 PHOTOSYNTHESIS LAB ASSESSMENT

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SCI 115 Week 3 Photosynthesis Lab Assessment

1.     Is photosynthetic 0 2 production light-dependent?

2.     What rate comes closest to the maximum rate of carbon dioxide fixation you
have measured in this activity?

3.     At the start of the algal filament experiments, the bacteria were evenly distributed throughout the chamber.  Subsequently, after the chamber was flooded with white light, the bacteria were

4.     Does the rate of photosynthesis increase with increasing light intensity?

5.     At the start of the algal filament experiments, the bacteria were evenly distributed throughout the chamber.  Subsequently, after the chamber was left in the dark for two minutes, the bacteria were

6.     In the experiment using thin-layer chromatography, pigments in a leaf are separated.  The spots on the chromatography plate are then compared to known standards on the basis of

7.     In the algal filament experiment, after the algal filament was illuminated with light from the prism, the bacteria were clumped along certain areas of the algal filament.Which wavelengths of white light seem most photosynthetically effective?

8.     In thin-layer chromatography, Rf refers to the

9.     Does increasing the concentration of CO 2 increase the rate of
photosynthesis?

10.   Given that the atmospheric concentration of CO 2 is approximately 300 ppm, is photosynthesis in the field limited by the concentration of CO 2?