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Plant Structure
See What Others Are Saying!
Question
Which of the following can be found as a part of the mitochondrial matrix?
Options
A. Ribosomes
B. DNA
C. Enzymes
D. All of these
Correct Answer
All of these
More questions
1. Chemical energy is supplied to eukaryotic cells by
Options
A. chloroplasts and golgi complexes
B. mitochondria and ribosomes
C. mitochondria only
D. mitochondria and chloroplasts
Show Answer
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Correct Answer: mitochondria and chloroplasts
2. Problems in obtaining large amounts of proteins encoded by recombinant genes can often be overcome by using
Options
A. BACS
B. expression vectors
C. YACS
D. all of these
Show Answer
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Correct Answer: expression vectors
3. Phagemid consist of
Options
A. plasmid vector carrying ? phage's cos site
B. plasmid vector carrying ? attachment (? att) site
C. plasmid vector carrying origin of replication of ? phage only
D. plasmid vector carrying origin of replication of plasmid only
Show Answer
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Correct Answer: plasmid vector carrying ? attachment (? att) site
4. DNA is microinfected into the fertilized egg
Options
A. after the fusion of male and female nuclei
B. before the fusion of male and female nuclei
C. at the time of fusion of male and female nuclei
D. any time, it can be infected
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Correct Answer: before the fusion of male and female nuclei
5. Inundation involves use of a/an
Options
A. large number of organisms over a short time to suppress/destroy a population
B. organism over a short time to suppress/destroy a population
C. large number of organisms over a long time to suppress/destroy a population
D. organism over a long time to suppress/destroy a population
Show Answer
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Correct Answer: large number of organisms over a short time to suppress/destroy a population
6. Which of the following growth regulator is used to stimulate embryo or shoot development?
Options
A. Auxins
B. Cytokinins
C. Gibberellins
D. Brassinosteroids
Show Answer
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Correct Answer: Gibberellins
7. Which of the following statements about mitosis is incorrect?
Options
A. The daughter nuclei are genetically identical to the parent nucleus
B. Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other
C. Chromosomes separate during anaphase when the kinetochore microtubules shorten as they depolymerize
D. Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin, attached to spindle fibers
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Correct Answer: Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other
8. The approach (s), which is/are currently followed to produce human monoclonal antibodies, is/are known as
Options
A. transformation of antigen specific B lymphocytes (EBV)
B. hybridization of 6-thioguanine-resistant human plasmacytoma with immune human lymphocytes
C. combination of EB Vand hybridoma techniques
D. all of these
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Correct Answer: all of these
9. Klinefelter syndrome is a manifestation of which chromosome aneuploidy?
Options
A. XXX
B. XYY
C. XXY
D. None of these
Show Answer
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Correct Answer: XXY
10. The term homologous chromosomes
Options
A. refers to replications of the same chromosome
B. is another name for sister chromatids
C. must be haploid
D. means a pair of chromosomes of the same kind, such as sex chromosomes
Show Answer
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Correct Answer: means a pair of chromosomes of the same kind, such as sex chromosomes
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