Prepare for NEET Biology Molecular Basis of Inheritance with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert explanations of DNA replication and genetics.
The positive charge of histones is primarily due to the abundance of which amino acids?
Aspartic acid and Glutamic acid
Lysine and Arginine
Serine and Threonine
Valine and Leucine
Identify the correct statement regarding the process of meiosis.
Meiosis results in two diploid daughter cells.
Meiosis results in four haploid daughter cells.
Meiosis occurs in somatic cells.
Meiosis involves a single round of division.
Which of the following statements accurately describes a key difference between mitosis and meiosis?
Chromosome duplication occurs in mitosis but not meiosis.
Spindle fiber formation occurs in mitosis but not meiosis.
Crossing over occurs in meiosis but not mitosis.
Cytokinesis occurs in mitosis but not meiosis.
During which phase of meiosis does crossing over occur?
Prophase I
Metaphase I
Anaphase I
Telophase I
If a diploid cell with 46 chromosomes undergoes meiosis, how many chromosomes will each resulting daughter cell have?
92
23
46
12
Which process is essential for generating genetic diversity in sexually reproducing organisms?
Meiosis
Mitosis
Binary fission
Budding
Which type of RNA is primarily synthesized by RNA polymerase III in eukaryotic cells?
mRNA
rRNA
tRNA
miRNA
If RNA polymerase III is inhibited in a eukaryotic cell, the synthesis of which molecule would be most directly affected?
mRNA
tRNA
rRNA
snRNA
In eukaryotes, RNA polymerase III plays a crucial role in the synthesis of:
tRNA, 5S rRNA, and snRNA
mRNA
rRNA
snRNA
Which of the following statements is INCORRECT regarding the function of RNA polymerase III in eukaryotes?
It transcribes most messenger RNA (mRNA) molecules.
It transcribes transfer RNA (tRNA) molecules.
It transcribes 5S ribosomal RNA (5S rRNA).
It transcribes some small nuclear RNA (snRNA) molecules.
