The significance of chromatin packaging of DNA includes
a) Physically fitting the genome into the nucleus
b) Regulating regions of DNA that are transcriptionally active
c) Positioning and maneuvering of DNA during mitosis and meiosis
d) All of the above
Answer: d) All of the above
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DNA sequencing
1.uses dideoxynucleoside triphosphates. 2.uses fluorescent dyes. 3.determines the base sequence of pieces of DNA. 4.is an important tool in genomics. 5.All of the options are correct.
What possible dietary complications could a person develop if they had their pancreas removed?
A. There would be an overproduction of the enzyme trypsin. This would cause an increased rate of protein digestion that could result in the muscle cells being destroyed by the individuals own body. B. They would not produce the pancreatic enzyme trypsin. This would prevent them from breaking down carbohydrates into glucose which could lead to a decrease in the availability of energy in their body. C. They would not produce the enzyme pancreatic amylase. This would prevent them from breaking down proteins into amino acids which could lead to complications in repairing muscle tissue. D. They would not produce the pancreatic enzyme trypsin. This would prevent them from breaking down proteins into amino acids which could lead to complications in repairing muscle tissue.
Which of the following bacterial genera is used for the degradation of environmental pollutants?
A) Actinomyces B) Streptomyces C) Corynebacterium D) Rhizobium E) Nocardia
Which of the following is a true statement about meristems? Select all that apply.A) They can be apical or lateral.B) Meristematic cells divide into two cells, one of which remains a meristem cell and another that becomes a plant body cell.C) Apical meristems give rise to three types of embryonic tissues.D) Meristematic cells are found only in eudicots and not in monocots.E) They are responsible for primary and secondary growth.
What will be an ideal response?