Question

In: Biology

True or False? If false, explain why. a) The ribosome moves along the mRNA in a...

True or False? If false, explain why.

a) The ribosome moves along the mRNA in a 5’ à 3’ direction

b) The overall structure of the ribozyme is dictated by rRNA

c) Ribosomes consist of 2/3 protein and 1/3 rRNA

d) Each ribosome has 1 large subunit and one small subunit

e) The small ribosomal subunit is the first to bind to the mRNA via the 5’ cap

f) RNA polymerase II is responsible for transcribing messenger RNA •

g) Combinatorial control of gene expression involves groups of transcriptional regulators working together to determine the expression of a gene

h) A nonsense mutation is a type of base pair substitution that leads to a change from one amino acid to a different amino acid.

Solutions

Expert Solution

a) The ribosome moves along the mRNA in a 5’ à 3’ direction
The answer is True. Because the ribosomal binding regions such as kozak sequece is present at 5' side of the mRNA, it hinds there ans starts the translocation.

b) The overall structure of the ribozyme is dictated by rRNA
The answer is True. The fucntion of ribozyme is a part of the large subunit ribosomal RNA.

c) Ribosomes consist of 2/3 protein and 1/3 rRNA
The answer is False, becuase ribsome is composed with 60% rRNA and 40% protein which means 2/3 portion of rRNA and 1/3 portion of protein.

d) Each ribosome has 1 large subunit and one small subunit
The answer is True. Each ribosome is composed wiht two subunits they are reffered as large and small subunits.

e) The small ribosomal subunit is the first to bind to the mRNA via the 5’ cap
The answer is True. The small subunit of ribsome binds to the 5' utr region first along with transcription factor to intitiate the translation.

f) RNA polymerase II is responsible for transcribing messenger RNA
The answer is True.
RNA pol I synthesizes rRNA,
RNA pol II synthesizes mRNA,
RNA pol III synthesized tRNA.

h) A nonsense mutation is a type of base pair substitution that leads to a change from one amino acid to a different amino acid.
The answer is False. If mutation leads to change from one AA to other, it is reffered as missence mutation.


Related Solutions

True or False. If false explain why it is false and explain what is meant by...
True or False. If false explain why it is false and explain what is meant by all parts of the statement. The nuclear localization is a post-translational modification.
Is this statement true or false? Explain why it is true or false. Two firms, 1...
Is this statement true or false? Explain why it is true or false. Two firms, 1 and 2, can control their emissions of a pollutant according to the following marginal cost equations: MC1 = $1*q1 and MC2 = $1/2*q2, where q1 and q2 are the amount of emissions controlled by firm 1 and firm 2, respectively. In addition, each firm is currently emitting 100 units of pollution and neither firm is controlling its emissions. Assuming the control authority has concluded...
True or False. Explain clearly WHY it is true or false 1. In the Neo-Classical model,...
True or False. Explain clearly WHY it is true or false 1. In the Neo-Classical model, when both countries are less willing to trade, this will always lead to the same equilibrium level for the terms of trade. 2. Differences in relative factor endowments among countries cannot explain Intra-Industry Trade. 3. Economic growth always leads to increased trade flows.
True, False, or Uncertain Explain why each of the following statements is True, False, or Uncertain...
True, False, or Uncertain Explain why each of the following statements is True, False, or Uncertain according to economic principles. Use diagrams where appropriate. Unsupported answers will receive no marks. It is the explanation that is important. A6-5. Suppose a $1000 bond pays annual “coupon interest” equal to 10% and matures in two years. If the yield on bonds with similar risk characteristics is 3%, the price of this bond today is greater than $1000. A6-6. Suppose the Bank of...
True, False, or Uncertain Explain why each of the following statements is True, False, or Uncertain...
True, False, or Uncertain Explain why each of the following statements is True, False, or Uncertain according to economic principles. Use diagrams where appropriate. Unsupported answers will receive no marks. It is the explanation that is important. A6-1. An economy with a recessionary gap will never return to long run equilibrium without policy intervention. A6-2. In a closed economy, investment will equal the sum of private saving and government saving. A6-3. An increase in private saving for a closed economy...
Which of the following statements are TRUE or False. (Explain why it’s true or false?) Subtracting...
Which of the following statements are TRUE or False. (Explain why it’s true or false?) Subtracting a positive number from a negative number always gives you a negative number. Subtracting two negative numbers always gives you a negative number. Subtracting a - b is the same as adding a + (-b). A positive number minus a negative number is always a positive number. The difference of a number and its opposite gives you zero. Zero minus a number is the...
True/False-Explain. Respond to the following statements by explaining why they are true or false. For each...
True/False-Explain. Respond to the following statements by explaining why they are true or false. For each statement, a complete and correct explanation is worth 10 points. No partial credit will be awarded for stating TRUE or FALSE without explanation. 1. [10 pts] True or False, The gravity model is a perfect fit to data on international trade flows. 2. [10 pts] True or False, In the specific factors model, wages are equal across countries but can vary across industries. 3....
True or False (please explain the reasons of why you choose true or false) 1. A...
True or False (please explain the reasons of why you choose true or false) 1. A producer can charge a price far greater than marginal cost and earn large profits so long as barriers to entry prevent competitors from entering the industry. 2. Relative to competitive pricing, oligopoly pricing increases producers’ profits, reduces consumers’ surplus, and (in net) reduces social surplus.
True/False (3 pts each) Indicate whether the statement is true or false. If true, explain why...
True/False (3 pts each) Indicate whether the statement is true or false. If true, explain why it is true and/or give examples to support it. If false, explain why it is false. 2.​An increase in plasma osmolality will cause more secretion of ADH.
Determine whether the statement is true or false. If it is false, explain why or give...
Determine whether the statement is true or false. If it is false, explain why or give an example that shows it is false. If f(c) = L,then lim x→c f(x) = L. False. Define f to be the piece-wise function where f(x) = x + 3 when x ≠ −1 and f(x) = 2 when x = −1. Then we have f(−1) = 2 while the limit of f as x approaches −1 is equal to −2. False. Define f...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT