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Biology Chapter on Cell Types and Genetics

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Biology Chapter on Cell Types and Genetics

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Questions and Answers

Which cell type is haploid?

Cancer cell

Ovum (correct)

Nerve cell

Erythrocyte

What is a codon?

An RNA molecule carrying information to a ribosome for protein synthesis

Any sequence of DNA that codes for a protein

The region of DNA being unzipped for replication

A sequence of three DNA bases corresponding to a particular amino acid (correct)

The first meiotic division produces:

Four genetically different daughter cells

Two genetically different daughter cells (correct)

Four genetically identical daughter cells

Two genetically identical daughter cells

Which statement best defines an allele?

One form of a gene Signup and view all the answers

Which statement correctly describes chromatin?

The cell's genetic material, dispersed between cell divisions Signup and view all the answers

Which of the following is true regarding single-stranded RNA?

It contains uracil Signup and view all the answers

Which statement applies to both DNA and RNA?

Contains adenine Signup and view all the answers

What is the role of a gene?

A sequence of DNA coding for a specific protein Signup and view all the answers

What is a chromatid?

A single strand of a replicated chromosome Signup and view all the answers

Which of the following is true about DNA?

It is double-stranded Signup and view all the answers

Study Notes

Cell Types

Ovum (egg cell) is haploid, meaning it contains half the number of chromosomes as a normal cell.

Codons

A codon is a sequence of three DNA bases that corresponds to a specific amino acid.

Meiosis

The first meiotic division produces two genetically different daughter cells.

Genetic Terminology

Allele: One form of a gene.
Gene: A sequence of DNA coding for a specific protein.
Chromosome: A long stretch of DNA carrying multiple genes and packaged around histones.
Chromatin: The cell's genetic material dispersed between cell divisions.
Genome: All the genetic material within a cell.
Chromatid: The single strand of a replicated chromosome.

DNA and RNA

Single-stranded: RNA
Double-stranded: DNA
Contains adenine: DNA and RNA
Contains uracil: RNA
Contains guanine: DNA and RNA
Contains thymine: DNA
Stored in the cell nucleus: DNA
Translated on the ribosome: RNA
Used for transcription: DNA
Contains ribose: RNA

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Description

This quiz covers crucial concepts in biology, focusing on cell types, meiosis, and genetic terminology. Test your understanding of ovum, codons, and the structural differences between DNA and RNA. Enhance your knowledge about chromosomes, genes, and related concepts in genetics.