Genes, DNA, and Variability in Living Organisms

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19 Questions

What solved the problem of genetic blending?

DNA

Which organelle has its own distinct DNA?

Mitochondria

What is the primary function of ribosomes?

Protein synthesis

Which type of life form is characterized by having an organized nucleus around their DNA?

Eukaryotes

What is the primary function of DNA in a cell?

Storage of genetic information

Which nucleotides always pair together in DNA?

Adenine and Thymine

What characteristic distinguishes prokaryotes from eukaryotes?

Having a nucleus around DNA

What is the distinguishing feature of eukaryotes compared to prokaryotes?

Having an organized nucleus around DNA

What is the primary function of mitochondria in a cell?

Provides energy (ATP) to the cell

What process involves making an RNA copy from a gene?

Transcription

Which enzyme is responsible for synthesizing a new copy of DNA during replication?

Polymerase

What is the main role of protein synthesis in cells?

Producing proteins

Which component is responsible for binding oxygen to red blood cells?

Hemoglobin

What is the purpose of introns in DNA?

Contain genetic remnants

Which type of RNA contains the information for making proteins?

mRNA

What is the function of helicase during DNA replication?

Breaks hydrogen bonds

How many amino acids are synthesized by the body out of the 20 essential amino acids?

9

'Junk DNA' refers to:

'Noncoding' DNA sections with unclear functions

'Essential Amino Acids' are essential because:

'Essential Amino Acids' cannot be synthesized by the body

Explore the concept of genes being made up of DNA, and how DNA solved the problem of genetic blending to produce a broad range of variations in living organisms. Learn about the importance of sequencing 4 chemical structures to determine characteristics and understand the relationship between genotype and phenotype.

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