Affiliate Marketing Secrets

1. All of the following are reasons why some diseases are becoming serious problems again except:
a. old diseases finding new niches
b. viruses can survive for long periods of time between hosts
c. viruses and bacteria readily mutate
2. Which of the following is a characteristic of all organisms except viruses?
a. genetic information stored as nucleic acid
b. ability to control metabolism
c. ability to reproduce
d. plasma membrane
e. structure includes proteins
3. Which of the following events is necessary for the production of a full blown malignant tumor?
a. activation of an oncogene in the cell
b. the inactivation of tumor suppressor genes in the cell
c. the presences of mutagenic substances within the cells environment
d. the presences of a retrovirus
e. a and b
4. Proteomics presents a particular challenge because
a. the number of proteins in humans probably far exceeds the number of genes
b.a cell’s proteins differ with cell type
c. proteins are extremely varied in structure and chemical properties
d. a and b
e. a,b, and c
5. A difference between prokaryotic and eukaryotic RNA is that:
a. eukaryotic RNA lasts much longer before being degraded
b. prokaryotic RNA never leaves the cell nucleus
6. A sequence of DNA that has inverted sequences on either end is found scattered throughout the chromosome of a bacterium.
a. transformation
b.transposition
c.transduction
d. conjugation
e. mutation
7. Gene therapy:
a. has proven to be beneficial to HIV patients
b. involves replacements of a defective allele in sex cells
c. cannot be used to correct genetic disorders
d. had apparent success in treating disorders involving bone marrow cells
e. is widely accepted
8. Current applications of biotechnology include:
a. cleaning up toxic waste
b. development of artificial photosynthetic machines
c. manufacturing human growth hormone
d. a and c
e. a,b,and c
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