Biology > EXAM > BIOL 101 QUIZ# 4 (All)

BIOL 101 QUIZ# 4

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• Question 1 3.2 out of 3.2 points In the process of transcription, the base sequence in the molecule _______ is read by the molecule _________ , an enzyme that makes an RNA molecule. Selected • Question 2 3.2 out of 3.2 points Which of the following sequences best represents the overall flow of information in a cell? Selected • Question 3 3.2 out of 3.2 points The de-condensation of visible chromosomes back into chromatin fibers is a defining feature of which phase of the cell cycle? • Question 4 3.2 out of 3.2 points In the cell nucleus a pre-mRNA has its introns removed by • Question 5 3.2 out of 3.2 points There are more than four kinds of amino acids in proteins. Each kind of amino acid must be coded for in mRNA. Thus, a short sequence of mRNA bases called a(n) _________ is used to code for each amino acid in the translation process. • Question 6 Which of the following phrases best describes the role of mRNA in gene expression? • Question 7 3.2 out of 3.2 points Which of the following is not a phase of the cell cycle? • Question 8 3.2 out of 3.2 points Which of the following is not involved at all in the flow of information from archival DNA to its expression as a resulting glycoprotein? • Question 9 3.2 out of 3.2 points What are the essential resources that a daughter cell must get from a parent cell or from nature in order to succeed in living life? Selected • Question 10 3.2 out of 3.2 points When DNA is replicated, the two strands are first separated through _________; each strand then becomes a _________ against which two new strands are made. Selected • Question 11 3.2 out of 3.2 points Which of the following is tRNA's role in translation? • Question 12 3.2 out of 3.2 points Your primordial (early) heart began as • Question 13 3.2 out of 3.2 points • Question 14 3.2 out of 3.2 points Why is the word “translation” used for protein production? Protein production is the process of • Question 15 3.2 out of 3.2 points The genetic code is said to be degenerate. This means that • Question 16 3.2 out of 3.2 points Which of the following is not a recognized organ system within the human body? • Question 17 3.2 out of 3.2 points In the translation process, tRNA molecules are also called “adapter” molecules. Why? What is their function? • Question 18 3.2 out of 3.2 points When the organism expresses a set of genes, the result is the characteristics of that organism. These characteristics are called its • Question 19 3.2 out of 3.2 points Successful differentiation of early brain regions requires that cells destined to form these regions Selected have surface receptors for both the Wnt and SHH • Question 20 3.2 out of 3.2 points The nuclear membrane of the cell disintegrates during which phase of the cell cycle? • Question 21 3.2 out of 3.2 points The ________________ is often represented as a chart in which a specific sequence of bases in mRNA (a codon) is used to represent each amino acid building block found in the world of proteins. • Question 22 3.2 out of 3.2 points A three-dimensional, folded molecule shaped like an “L” with an anticodon at one end and an amino acid attachment site at the other end: • Question 23 3.2 out of 3.2 points Peptide bonds are formed during the __________ stage of translation. • Question 24 3.2 out of 3.2 points Life perpetuates itself at the cellular level • Question 25 3.2 out of 3.2 points Genes that normally direct the inhibition of cell division regulatory pathways are called

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