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TLS Online TPP Program

#Question id: 3881

Which one of the following statements about mRNA stability is true?

#Unit 3. Fundamental Processes

  1. Degradation always proceeds in the 5' to 3' direction.

  2. Degradation of mRNA by polynucleotide phosphorylase yields 5'-nucleoside monophosphates.

  3. In general, bacterial mRNAs have longer half-lives than do eukaryotic mRNAs.

  4. Secondary structure in mRNA (hairpins, for example) slows the rate of degradation.

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TLS Online TPP Program

#Question id: 18602

#Unit 13. Methods in Biology

Suppose a unbiased die is thrown 72 times and getting a 4 on a throw is termed as success then find the variance of number of success ?
TLS Online TPP Program

#Question id: 18601

#Unit 13. Methods in Biology

The chances of killing a bird are 1 in three attempts. Find the probability that no bird is killed in 3 attempts.
TLS Online TPP Program

#Question id: 18600

#Unit 13. Methods in Biology

A coin is tossed 6 times. The probability of getting exactly 2 heads is
TLS Online TPP Program

#Question id: 18087

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get
Exactly three correct answers
TLS Online TPP Program

#Question id: 18014

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get Atmost three correct answers
TLS Online TPP Program

#Question id: 18013

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get At least one correct answer.