List of top Biotechnology Questions

Exopolysaccharides are best described as
Choose the transposable element which moves via an RNA intermediate?
The following is a classic example of extra-chromosomal inheritance?
Identify the organism with polyploidy?
Consider a population of sheep to be in Hardy-Weinberg equilibrium. The allele for black wool (\(p\)) has a frequency of \(0.81\) while the allele for white wool (\(q\)) has a frequency of \(0.19\). Then the percentage of heterozygous individuals in the population is
Which application is used to detect genetic disorders at the DNA level?
In a dihybrid cross (\(AaBb \times AaBb\)), what is the probability of obtaining an individual heterozygous for both traits (\(AaBb\))?
Extra-chromosomal inheritance is often called maternal inheritance because
Consider the following and choose the correct answer Assertion [A]: Peptide bond formation occurs at the P site of the ribosome. Reason [R]: Peptidyl transferase activity is an intrinsic property of rRNA. The correct answer is
A phenotypic ratio of \(12:3:1\) is produced due to
The following cross can never result in a recessive phenotype?
If the percentage of crossing over between two genes is \(10\), then the distance between two genes will be
Enzyme responsible for transcription in prokaryotes?
Determine the second messenger involved in mobilizing \(\mathrm{Ca^{2+}}\) from the endoplasmic reticulum?
In what ratio does the Na\(^+\)/K\(^+\) pump transport sodium and potassium ions?
In a population, the frequency of a recessive allele (\(q\)) is \(0.4\). Calculate the frequency of homozygous dominant individuals?
Consider the following and choose the correct answer Assertion [A]: DNA replication is semiconservative in nature. Reason [R]: Each daughter DNA molecule contains one parental strand and one newly synthesized strand. The correct answer is
Which electron transport chain complex does not pump protons across the mitochondrial inner membrane?
If a mammalian cell completes one cell cycle in \(24\) hours and the S phase lasts \(8\) hours, what fraction of the cell cycle is spent in S phase?
Identify the checkpoint that controls entry into DNA replication
What is the pH of \(0.01\ \mathrm{M}\) HCl?
Which buffer resists changes in pH most effectively?
Consider the following and choose the correct answer Assertion [A]: Tautomeric shifts in DNA bases are a source of spontaneous mutations. Reason [R]: Rare tautomeric forms have altered hydrogen-bonding patterns. The correct answer is
Consider the following and choose the correct answer Assertion [A]: B-DNA is the most stable and predominant form of DNA under physiological conditions. Reason [R]: B-DNA possesses major and minor grooves. The correct answer is
Identify the obligate intracellular microorganism?