Precursor rna molecules

Assignment Help Biology
Reference no: EM1387807

How do the unusual bases of the loops in tRNA influence tRNA structure?

a. They disrupt hydrophobic interactions in the loop regions causing the loops to form.

b. They bind to proteins that hold the loops open.

c. They disrupt H bond formation which causes complementary pairing in the stem regions.

d. They prevent van der Waals interactions which prevents loop formation.

e. They disrupt H bond formation in the loop regions causing the loops to form

The greatest variability among codons specifying the same amino acid occur _________.

a. in the middle nucleotide of the triplet

b. in the first and third nucleotides of the triplet

c. in the first two nucleotides of the triplet

d. in the third nucleotide of the triplet

e. in the last two nucleotides of the triplet

The initiator tRNA enters the 30S ribosomal subunit at the ____ during prokaryotic protein synthesis.

a. A site

b. E site

c. Q site

d. P site

e. 50S attachment point

All three major types of RNA (mRNA, tRNA and rRNA) are processed before they are mature. They are derived from precursor RNA molecules that are considerably longer than the final RNA product. These precursor RNAs are called _________.

a. a and b

b. pre-RNAs

c. primary transcripts

d- predominances

e. prions

 

Reference no: EM1387807

Questions Cloud

Tyranny of technology in modern medicine : what is does this referrer to? How does this tyranny impact health care management, leadership, and planning
Create mock-up report to make the monthly claim : He wishes you to group data by insurance company number, with subtotals by company and grand totals for each numeric field.
Mechanism for repairing damage to dna : Determine what is the most common mechanism for repairing damage to DNA? Individuals with xeroderma pigmentosum inherit a faulty DNA repair mechanism.
Tracing the natural history of disease : Provide an overview of this topic, tracing the natural history of disease, and including the prepathogenesis and pathogenesis periods.
Precursor rna molecules : All three major types of RNA are processed before they are mature. They are derived from precursor RNA molecules that are considerably longer than the final RNA product.
Virtue ethics value and deontology principle : Virtue ethics (value) and deontology (principle) and apply these theoretical perspectives to ethical dilemma that leaders and/or managers at ECG (Expert Consulting Group)
H1 selectively extracted from compacted chromatin : Determine what happens if histone H1 is selectively extracted from compacted chromatin (30 nm fibers)
Significance level that the claim is true : If we assume that the lifetime of this type of bulb has a standard deviation of 400 hours, can we conclude at the 5% significance level that the claim is true.
Write mathematical formulation for non-terminal : Non-terminal A is useless if there is no derivation from start symbol to string of tokens in which A appears. Write a mathematical formulation of this property.

Reviews

Write a Review

Biology Questions & Answers

  Immune response to infectious disease

It is a very curcial concept to understand how the immune response is mounted against viruses, bacteria, protozoans and helminthes. For an effective immune response, both innate and adaptive immunity should work together.

  A review on advanced glycated end products (ages)

This Project report elaborates a critical review of important elements attached to Advanced Glycated End Products (AGEs). It is very crucial to understand the process called Millard reaction.

  Plastic as a soil stabilizer

Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.

  Principles of microbiology

This assignment has three parts which contains questions related to Microbiology. It contains basic principles of microscopy, staining techniques in microbiology and microbial growth in the food industry.

  List the biologic functions

Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?

  Biologic function relationships

Please describe how one might search for chemical structure, biologic function relationships, involving small molecular weight lipophylic compounds. Provide one example.

  Case study on patient in the haematology laboratory

Write a case study which detailing a scenario of a patient being investigated in the Haematology laboratory.

  Use of pcr and genetic approaches in biotechnology

The use of PCR and genetic approaches in biotechnology

  Describe the role of this enzyme in honey

Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.

  Genetic problems

What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?

  Prepare an essay on nosocomial infection

Prepare an essay on nosocomial infection.

  Monitoring and recording the blood pressure

To increase the awareness of monitoring and recording the blood pressure of patients and practice measuring blood pressure in a safe environment.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd