At one end of each tRNA there is a sequence of three nucleotides known as the ___. This sequence is complementary to the bases on mRNA.
Fill in the blank(s) with the appropriate word(s).
Anticodon
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With the sequence of the gene-coding regions of the human genome in hand and the development of newer sequencing methods, scientists ____
a. now know that the types of mutations present in all cancers are very similar b. can now sequence and analyze the protein-coding genes in cancer cells c. are still unable to systematically identify all the mutations present in a cancer cell d. found that the number of mutational events that occur during the transition from normal to malignant cells is much smaller than previously thought e. found that most tumors had at least 100 mutations in common with any other tumor, emphasizing the common origin of cancer
Which of the following events occurs in blood in body tissue?
a. free H+ releases from hemoglobin. b. erythrocyte HCO3 ? enters the plasma. c. in the plasma, HCO3 ? and H+ convert into CO2 and H2O. d. in erythrocytes, carbonic anhydrase converts HCO3 ? and H+ into CO2 and H2O. e. CO2 binds to hemoglobin.
The uterine cycle is also called the ovarian cycle
Indicate whether the statement is true or false.
Broadly defined, ________ is descent with modification from a common ancestor
Fill in the blank(s) with correct word