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Understanding Genes

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Questions and Answers

What is the term for the non-coding regions within a gene in eukaryotic cells?

Operons

Histones

Introns (correct)

Exons

Which element controls when and where a gene is expressed?

Operons

Enhancers

Promoter region (correct)

Histones

What are the building blocks of genes made of?

Purines, pyrimidines, nitrogenous bases

Nucleotides, sugar, phosphate group (correct)

Histones, introns, exons

ATCG sequence

Which nitrogenous bases are classified as pyrimidines in DNA?

Cytosine and thymine Signup and view all the answers

Which project aimed to reveal the entire genetic sequence present in human cells and was completed in 2003?

The Human Genome Project Signup and view all the answers

Where are genes present in prokaryotic cells?

Cytoplasm Signup and view all the answers

What is the basic unit of inheritance?

Gene Signup and view all the answers

Which nitrogenous base forms triple hydrogen bonds with guanine in DNA?

Cytosine Signup and view all the answers

Where are genes present in eukaryotic cells other than the nucleus?

Mitochondria Signup and view all the answers

What are nucleotide monomers comprised of in DNA?

Deoxyribose sugar, phosphate group, A, T, C, G Signup and view all the answers