Which group of microorganisms is most likely to spoil a freshwater trout preserved with salt? Would you be susceptible to foodborne infection if you were to eat this spoiled fish? Two daughter cells are most likely to inherit which one of the following from the parent cell? (why/why not for each) - a change in a nucleotide in mRNA -a change in a nucleotide in tRNA -a change in a nucleotide in rRNA -a change in a nucleotide in DNA -a change in a protein

Which group of microorganisms is most likely to spoil a freshwater trout preserved with salt? Would you be susceptible to foodborne infection if you were to eat this spoiled fish? Two daughter cells are most likely to inherit which one of the following from the parent cell? (why/why not for each) - a change in a nucleotide in mRNA -a change in a nucleotide in tRNA -a change in a nucleotide in rRNA -a change in a nucleotide in DNA -a change in a protein

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter4: Cells

Section: Chapter Questions

Problem 2TYK: Eukaryotic and prokaryotic ribosomes are similar in that: a. both contain a small subunit, but only...

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Two daughter cells are most likely to inherit which one of the following from the parent cell a change in a nucleotide in mRNA a change in a nucleotide in tRNA a change in a nucleotide in rRNA a change in a nucleotide in DNA
Two daughter cells are most likely to inherit which one of the following from the parent cell?A. a change in a nucleotide in mRNAB. a change in a nucleotide in tRNAC. a change in a nucleotide in rRNAD. a change in a nucleotide in DNAE. a change in a protein
Which of the following order of events correctly depicts the Central Dogma as it would occur in an eukaryotic organism? a. DNA --> Protein --> mRNA b. DNA --> Pre-mRNA --> mRNA --> Protein c. mRNA --> DNA --> Protein d. Protein --> DNA --> Pre-mRNA --> mRNA e. DNA --> mRNA --> Protein
A scientist observing a cell during gene expression would be able to easily distinguish it as a prokaryotic cell by which of the following observations? Group of answer choices as soon as the DNA introns are removed from the template after the 5' caps are converted to mRNA after a transcription initiation complex has been formed during transcription once the pre-mRNA has been converted to mRNA 2. The following question refers to the pedigree chart in the figure for a family, some of whose members exhibit the dominant trait, W. Affected individuals are indicated by a dark square or circle. What is the probability that individual II-5 is Ww?
Scientists wanted to determine what molecule held the 'gene'. If they did a study in which a cell was infected by a virus, which part of the virus actually caused the infection inside the cell? Group of answer choices DNA ribosome protein RNA 2. A scientist observing a cell during gene expression would be able to easily distinguish it as a prokaryotic cell by which of the following observations? Group of answer choices as soon as the DNA introns are removed from the template after the 5' caps are converted to mRNA after a transcription initiation complex has been formed during transcription once the pre-mRNA has been converted to mRNA
A eukaryotic cell has a mutation that prevents mRNA from leaving the nuclear envelope. What result should be observed in this cell? 1. DNA will not replicate. 2. A polypeptide will not be synthesized. 3. RNA will not be transcribed from DNA. 4. A cap and poly-A tail will not be attached to the mRNA.
Eukaryotic and prokaryotic ribosomes are similar in that: a. both contain a small subunit, but only eukaryotes contain a large subunit. b. both contain the same number of proteins. c. both use mRNA to assemble amino acids into proteins. d. both contain the same number of types of rRNA. e. both produce proteins that can pass through pores into the nucleus.
A few genes produce regulatory molecules that help the cell assemble proteins. The journey from gene to protein is complex and tightly controlled within each cell. Which of the following statements best describes the role of DNA and RNA in protein synthesis? * A. DNA is the primary genetic material contained within a cell. B. DNA is the long-term storage while RNA is the messenger containing instruction from DNA C. DNA creates protein during protein synthesis & converts it into usable molecules while RNA assembles amino acid into a protein. D. All of the above. Humans and chimpanzees share many common characteristics. How would you explain the similarities of the amino acid sequences that can be found in both organisms? * A. Two groups share a relatively common ancestor B. Humans evolved from chimpanzees C. Two groups belong to the same species D. Chimpanzees evolved from…
Which of the following statements about DNA strands is true? (You may choose more than one.) Group of answer choices Some genes are transcribed from the template strand, others are transcribed from the non-template strand The promoter determines which strand is the (-) strand The promoter determines which strand is the template strand The template strand is always the (-) strand Some genes are transcribed from the (-) strand, others are transcribed from the (+) strand Some proteins are translated from the - strand and some proteins are translated from the + strand
Which is NOT a true difference between messenger RNA and DNA? (i.e., which of the following statements is false?) DNA remains in the nucleus (except when the nuclear envelope breaks down during mitosis), whereas mRNA is never in the nucleus; it is always in the cytoplasm. A DNA molecule has a longer life span than a typical molecule of RNA. DNA has thousands of genes; mRNA is usually a copy of just one gene. DNA has thousands of genes; mRNA is usually a copy of just one gene.
Which of the following statements about cell division in prokaryotes and eukaryotes is correct? a. In prokaryotes, all cells divide if conditions are favourable; in eukaryotes, only a few cells divide, and they do so according to a developmental program b. After cell division, the daughter cells are genetically identical in prokaryotes but genetically different in eukaryotes c. In prokaryotes, only a few cells divide to ensure survival of the colony without depleting too many resources from the environment d. The process of segregation is more complicated in prokaryotes than in eukaryotes e. Reproductive signals for initiation of cell division are intracellular for prokaryotes and extracellular for eukaryotes
Malaria, one of the most pervasive and destructive of all infectious diseases, is caused by protozoan parasites of the genus Plasmodium, which are transmitted from person to person by mosquitoes. Plasmodium parasites are able to evade the host immune system by constantly altering the expression of their var genes, which encode Plasmodium surface antigens (L. H. Freitas-Junior et al. 2005. Cell 121:25–36). Individual var genes are expressed when chromatin structure is disrupted by chemical changes in histone proteins. What type of chemical changes in the histone proteins might be responsible for these changes in gene expression?