A primary difference between a normal cell and a cancerous cell is
a. the cell must be directly exposed to a carcinogen.
b. the cell must lose normal cell division controls
c. the cell must go through mitosis at least 25 times.
d. the cell must be located in either connective tissue or muscle.
e. the cell must be located in epithelial tissue..
B
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A dihybrid cross of two contrasting pure-breeding
organisms a. produces homozygous offspring. b. must produce a phenotype different from either pure-breeding parent. c. results in the disappearance of the recessive traits in the first generation. d. takes place only in the laboratory under precisely controlled conditions. e. will result in the immediate formation of another pure-breeding variety.
Transfer RNA (tRNA) takes a message from DNA in the nucleus to the ribosomes in the cytoplasm.
Answer the following statement true (T) or false (F)
As soon as a population achieves the replacement fertility rate of 2.1, the population will stop growing
Indicate whether the statement is true or false
You have just completed final preparations for a party you are hosting this evening. With thirty minutes to spare, you collapse into a chair and prop your feet up only to realize you need to empty your bladder
What part of your nervous system is in control?