Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1.2, Problem 5CC
Biologists sometimes say that the genome is the storage unit of life, whereas the proteome is largely the functional unit of life. Explain this statement.
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Students have asked these similar questions
Which of the following options best depicts the flow of information when a gene
directs the synthesis of a cellular component?
A) RNA → DNA RNA →
protein
B) DNA
→ amino acid → RNA → protein
O C) protein
RNA DNA
D) DNA - TRNA → MRNA –→ protein
O E) DNA - RNA →
protein
Which of the following schemes for molecular information flow never occurs in cellular life forms?
a. DNA to rRNA
b. mRNA to protein
c. DNA to tRNA
d. DNA to mRNA
e. RNA to DNA
Which of the following is the primary function of RNA molecule?
A) transmit genetic information to offspring
B) make a copy of itself, thus ensuring genetic continuity
C) function in the synthesis of proteins
D) act as a pattern or blueprint to form DNA
Chapter 1 Solutions
Biology
Ch. 1.1 - At which level of biological organization would...Ch. 1.1 - Prob. 1BCCh. 1.2 - What is the relationship between biological...Ch. 1.2 - How does the concept of a tree of life differ from...Ch. 1.2 - Why is it useful to place organisms into taxonomic...Ch. 1.2 - Biologists sometimes say that the genome is the...Ch. 1.2 - Figure 1.10 The three domains of life. Two of...Ch. 1.3 - What is the purpose of a control group in...Ch. 1.3 - Explain how discovery-based science helped...Ch. 1.3 - Discuss the difference between discovery-based...
Ch. 1.3 - What are the steps in the scientific method, also...Ch. 1.3 - Prob. 3EQCh. 1 - Prob. 1TYCh. 1 - Populations of organisms change over the course of...Ch. 1 - Prob. 3TYCh. 1 - Which of the following is an example of horizontal...Ch. 1 - The scientific name for humans is Homo sapiens....Ch. 1 - The complete genetic makeup of an organism a....Ch. 1 - Prob. 7TYCh. 1 - Prob. 8TYCh. 1 - Prob. 9TYCh. 1 - What is the purpose of using a control group in a...Ch. 1 - Of the first eight principles of biology described...Ch. 1 - Explain how it is possible for evolution to result...Ch. 1 - Prob. 3CQCh. 1 - Discuss whether or not you think that theories in...Ch. 1 - Prob. 2COQ
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- Explain why the answer is correct. For eukaryote cells to evolve into new types of eukaryotic organisms, which of the following would one expect to occur? The correct answer is E a) these cells have evolved because they have different DNA because of mutations b) Their endoplasmic reticulum is synthesizing new and/or different proteins. c) These specialized cells activate new genes to synthesize new proteins. d) these organisms have new characteristics because they have acquired new genes. e) all of these are truearrow_forwardThe Selfish Gene is a radical theory that argues that all living creatures are essentially vehicles for their genes- hence, we all are a “survival machine" for our genes. In the light of what you have learned about the molecular structure and function of the gene, is this perspective still relevant? Cite specific biological phenomena to prove your point. References:arrow_forwardDefine molecular machines.arrow_forward
- What is a gene? A)A molecule of DNA, which is transformed into a protein to be used by the cell B)A molecule of RNA that is made into a functional protein to do work in a cell C)A part of the cell that is assembled into an amino acid sequence, then folded into a proteinD)A region of DNA containing information for building a protein or RNA productarrow_forwardAn astrobiologist discovers a new form of life on another planet. Life here appears to have evolved using DNA as the information storage molecule and proteins to carry out cellular function, much like on Earth, however the individual building blocks on this planet are different. On this planet, there appear to be 3 different nucleotides in the DNA and 30 different amino acids in the proteins. Which of the following conclusions about this form of life would be most justified? These organisms can produce proteins no more than 30 amino acids in length. These organisms must produce 30 different forms of mRNA Amino acids must be coded by sets of 3 nucleotides in the DNA of the organisms on this planet. Amino acids must be coded by sets of at least 4 nucleotides in the DNA of the organisms on this planet. These organisms cannot produce more than 30 kinds of protein.arrow_forwardWhich of the following is true for the tRNA of eukaryote cells? tRNA is a) made of DNA and protein, b) the active site in carbohydrate synthesis, c) is a subunit that forms mRNA from the codon of DNA. d) found inside the endoplasmic reticulum, e) has the specific sequence of bases (anti codon) that interacts with the base sequence (codon) of mRNA.arrow_forward
- E. coli would be a good model organism for which of the following processes? a) DNA replication b) how mitochondria get distributed to daughter cells during cell division c) how cells decode their genetic instructions to make proteins (translation) d) a and c e) a, b and carrow_forwardCompare exons and introns. What are their significance and role in the genome organization of organisms.arrow_forwardOutline in general terms how small subunit rRNA has been used to define the three domains of lifearrow_forward
- An anticodon is 5' CGA 3'. The codon that pairs with the anticodon will be C a) 3'UGC5' b) 5'GCT3' c) 5' UCG3' d) 5'TCG31 Listen An anticodon is 5'CGA3'. This amino acid will be put into the protein when the RNA molecule with this anticodon is used. Use the codon table below UUU UUC UUA CUU CUC CUA CUG AUU AUC AUA AUG } GUU GUC GUA GUG a) LEU b) ARG ▶ c) SER d) ALA Phe Leu Leu lle Met Val UCU UCC UCA UCG CCU CCC CCA CCG ACU ACC ACA ACG GCU GCC GCA GCG Ser Pro Thr Ala UAU UAC UAA UAG CAU CAC CAA CAG AAU AAC AAA AAG ;} Tyr Stop His Gln Asn Lys UGU UGC Cys UGA Stop UGG Trp CGU CGC CGA CGG AGU AGC AGA AGG GAU GGU GAC Asp GGC GAA GGA GAG} Glu GGG Arg Ser Arg Glyarrow_forwardIdentify the single most correct answer: a) Ribosome is an organelle found in both prokaryotes and eukaryotes. Ob) During conjugation a naked DNA molecule found in the surroundings gets into bacteria. c) Spontaneous mutation cannot result in the production of an altered protein. Od) Gene transfer from one species of bacteria to another (donor to recipient) represents horizontal gene transfer.arrow_forwardWhich is true of Prokaryote cells? A) Because their DNA exists in a nucleoid area, the synthesis of proteins depends on random interactions between mRNA and rRNA, B) They contain membrane-bounded compartments or organelles. C) A true nucleus contains the DNA in the form of chromosomes D) Some contain mitochondria E) They contain many organelles in the cytoplasmarrow_forward
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