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Crocco LE 2
Test Description: Random regent's exam
Instructions: Answer all questions to get your test result.
1) The analysis of data gathered during a particular experiment is necessary in order to
A
formulate a hypothesis for that experiment
B
develop a research plan for that experiment
C
draw a valid conclusion for that experiment
D
design a control for that experiment
2) A student could best demonstrate knowledge of how energy flows throughout an ecosystem by
A
making a chart to show the role of bacteria in the environment
B
labeling a diagram that illustrates ecological succession
C
drawing a food web using specific organisms drawing a food web using specific organisms
D
conducting an experiment that demonstrates the process of photosynthesis
3) In most habitats, the removal of predators will have the most immediate impact on a population of
A
decomposer
B
herbivore
C
microbe
D
producer
4) The sequence of subunits in a protein is most directly dependent upon
A
type of cell in which starch is found
B
kinds of materials in the cell membrane
C
DNA in the chromosomes in a cell
D
region in the cell where enzymes are produced
5) Which statement concerning simple sugars and amino acids is correct?
A
They are both building blocks of starch.
B
They are both needed for the synthesis of larger molecules
C
They are both wastes resulting from protein synthesis
D
They are both stored as fat molecules in the liver
6) The genetic code of a DNA molecule is determined by a specific sequence of
A
molecular bases
B
ATP molecules
C
sugar molecules
D
chemical bonds
7) To produce large tomatoes that are resistant to cracking and splitting, some seed companies use the pollen from one variety of tomato plant to fertilize a different variety of tomato plant. This process is an example of
A
direct harvesting
B
cloning
C
selective breeding
D
DNA sequencing
8) The cells that make up the skin of an individual have some functions different from the cells that make up the liver because
A
environment and past history have no influence on cell function
B
different parts of genetic instructions are used in different types of cells
C
all cells have a common ancestor
D
different cells have different genetic material
9) The production of certain human hormones by genetically engineered bacteria result from
A
combining a portion of human DNA with bacterial DNA and inserting this into bacteria
B
crossing two different species of bacteria
C
inserting a specific group of amino acids into the bacteria
D
deleting a specific amino acid from human DNA and inserting it into bacterial DNA
10) Organisms that have the ability to use an atmospheric gas to produce an organic nutrient are known as
A
decomposer
B
autotroph
C
carnivore
D
herbivores
*select an answer for all questions
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