2.1 Natural Selection and Adaptations

The base Uracil is only found in which molecule?

• DNA
• RNA
• Carbohydrates

An organism's DNA is a code to make proteins.

• True
• False

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of the following are differences in the structure between RNA and DNA

• DNA uses deoxyribose sugar, RNA uses sugar ribose

• DNA pairs Adenine with Uracil, RNA pairs Adenine with Thymine

• DNA is a double helix, RNA is a single helix

• DNA pairs Adenine with Thymine, RNA pairs Adenine with Uracil

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

• tRNA

• mRNA

• rRNA

• dRNA

When these bond together, they form a protein

• Amino Acids

• Peptide Bonds

• Ribose

• Nucleotides

Tags

NGSS.HS-LS1-6

mRNA occurs during this process

• Translation

• Transcription

• Replication

• Delivery

What is the three base sequence of mRNA that codes for a single amino acid?

• Anticodon
• Codon
• Protein

What is the mRNA strand that would result from the DNA template strand CCTA?

• GGAT
• CCAT
• GGAU
• CCAU

Which of these nitrogenous bases is NOT in RNA?

• Uracil
• Thymine
• Cytosine
• Guanine

A ______________ is a change in the sequence of DNA

• gene

• antigen

• mutation

• antibody

Tags

NGSS.HS-LS3-2