BIOL 101 Quiz 4 Liberty University

1. Your primordial (early) heart began as
2. In the three-dimensional form of the adult Dalmatian dog, the “front” end of the animal would be named the _____ aspect.
3. Which of the following is tRNA’s role in translation?
4. The brain most directly interacts with and controls
5. In healthy cells, the normal function of the activated Ras protein is to
6. _____________ is a disease state characterized by cells that divide uncontrollably and no longer respect their confinement within their tissue of origin.
7. 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.
8. The genetic code is said to be degenerate. This means that
9. In the translation process, tRNA molecules are also called “adapter” molecules. Why? What is their function?
10. A collection of interacting glands that secrete hormones into the blood stream would best describe the ___________ system.
11. 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.
12. The de-condensation of visible chromosomes back into chromatin fibers is a defining feature of which phase of the cell cycle?
13. 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:
14. Which of the following phrases best describes the role of mRNA in gene expression?
15. In the cell nucleus a pre-mRNA has its introns removed by
16. When DNA is replicated, the two strands are first separated through _________; each strand then becomes a _________ against which two new strands are made.
17. The term “transcription” means the process of
18. Peptide bonds are formed during the __________ stage of translation.
19. Which of the following phrases best describes the function of ribosomal RNA (rRNA)?
20. What is the role of tRNA synthetase?
21. A dominant control over the endocrine system in mature human adults is exerted by the
22. Heart rate and respiratory inhalation rate functions in the mature human adult are controlled by the
23. Which of the following is not involved at all in the flow of information from archival DNA to its expression as a resulting glycoprotein?
24. The “S” phase of the cell cycle represents the activity of
25. Which of the following is a part of the overall processing of mRNA in the cell nucleus?