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1
The diagram below represents the synthesis of a portion of a complex molecule in an organism.
Which row in the chart could be used to identify the building blocks and product in the diagram?
Row
(1)
Building Blocks
starch molecules
amino acid molecules
(2)
sugar molecules
(3)
DNA molecules
(4)
Product
glucose
part of protein
ATP
part of starch
2
Which process will increase variations that could
be inherited?
(1)
(2)
(3)
(4)
mitotic cell division
active transport
recombination of genes
synthesis of proteins
3
The diagram below shows some of the steps in protein synthesis.
The section of DNA being used to make the strand of mRNA is known as a
(1) carbohydrate
(2) gene
(3) ribosome
(4) chromosome
Base your answers to questions 65 through 67 on the diagram below and on your knowledge of biology. The
diagram shows the results of a technique used to analyze DNA.
4
This technique used to analyze DNA directly results in
(1) synthesizing large fragments of DNA
(2) separating DNA fragments on the basis of size
(3) producing genetically engineered DNA molecules
(4) removing the larger DNA fragments from the samples
5
This laboratory technique is known as
(1) gel electrophoresis
(2) DNA replication
(3) protein synthesis
(4) genetic recombination
6
State one specific way the results of this laboratory technique could be used.
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7
Several structures are labeled in the diagram of a puppy shown below.
\
Every cell in each of these structures contains
(1) equal amounts of ATP
(2) identical genetic information
(3) proteins that are all identical
(4) organelles for the synthesis of glucose
8
A student added an enzyme to a test tube containing a sample of DNA. After a period of time, analysis of the DNA
sample indicated it was now broken into three segments. The purpose of the enzyme was most likely to
(1) cut the DNA at a specific location
(2) move the DNA to a different organism
(3) copy the DNA for protein synthesis
(4) alter the DNA sequence in the segment
9
Which set of functions is directly controlled by the cell membrane?
1.
2.
3.
4.
5.
protein synthesis, respiration, digestion of food molecules
active transport, recognition of chemical messages, protection
enzyme production, elimination of large molecules, duplication of DNA codes
release of ATP molecules, regulation of cell reproduction, food production
10
Plants in species A cannot fight most fungal infections. Plants in species B make a protein that kills many fungi.
One possible way for humans to produce species A plants with the ability to synthesize this protein would be to
(1) mutate fungal DNA and introduce the mutated DNA into species B using a virus
(2) add DNA from species B into the soil around species A
(3) insert the gene for the protein from species B into a chromosome in species A
(4) cross species A and a fungus to stimulate the synthesis of this protein