FREE BIOLOGY AND STUDY GAMES ABOUT

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FREE BIOLOGY AND STUDY GAMES ABOUT

WILES-NUCLEIC ACIDS EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -107 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: True or false. An amino acid may be coded for by more than one codon.

Answer:

true

Question 2: Where does transcription occur in a eukaryotic cell?

Answer:

nucleus

Question 3: What are body cells known as?

Answer:

Somatic cells

Question 4: What is another term for a protein?

Answer:

polypeptide chain

Question 5: What is the site called in transcription which marks the beginning of the DNA chain that will be transcribed?

Answer:

promoter site Question 6: What process name studied in chapter 10 literally means "to write across" when translated from Latin?

Answer:

transcription

Question 7: What type of RNA is a long strand?

Answer:

mRNA

Question 8: What type of RNA does the book describe as a hairpin shape?

Answer:

tRNA

Question 9: Where in a cell does DNA replication occur in a eukaryote?

Answer:

nucleus Question 10: What function is carried out by those few codons that do NOT code for an amino acid?

Answer:

to stop translation Question 11: Where does tRNA acquire the amino acids that it brings to the ribosome?

Answer:

cytoplasm or the amino acid pool within the cytosol

Question 12: When does DNA replication occur during the cell cycle?

Answer:

the S phase of interphase

Question 13: The process of assembling proteins from information encoded in mRNA is called ____.

Answer:

translation

Question 14: Three mRNA nucleotides is called a(n) ___.

Answer:

codon

Question 15: What does RNA stand for?

Answer:

Ribonucleic acid

Question 16: The process of copying DNA in a cell is called ______.

Answer:

replication

Question 17: What does transformation mean?

Answer:

Transfer of genetic material from one cell to another or from one organism to another organism Question 18: In what year was the first paper published suggesting a mdoel for DNA?

Answer:

1953 Question 19: What is the number and orientation of chromosome(s) in a prokaryote?

Answer:

single circular chromosome

Question 20: What are the 3 types of RNA?

Answer:

messenger (mRNA); transfer (tRNA); and ribosomal (rRNA)

Question 21: The start codon codes for what amino acid?

Answer:

methionine

Question 22: What are the monomers of DNA and RNA?

Answer:

Nucleotides Question 23: What three scientists were awarded the Nobel Prize in 1962 for their work on the structure of DNA?

Answer:

Watson, Crick, and Wilkins

Question 24: Is DNA right or left twisted?

Answer:

right

Question 25: What amino acid can PKU patients not break down?

Answer:

phenylalanine

Question 26: If a mRNA sequence is UAAUGC, what are the 2 anticodons of tRNA?

Answer:

AUUACG

Question 27: DNA comprises genes which in term comprises chromosomes. How many

chromosomes should there normally be within the body (somatic) cells of humans?

Answer:

46

Question 28: How many carbon atoms does deoxyribose and ribose contain?

Answer:

• because these sugars are pentoses