DNA STAAR Questions

What it the significance of the nitrogenous bases?

• # of adenines and cytosines determine RNA
• order of nitrogenous bases determines order of amino acids
• amount of thymine and guanine determines length of genes
• type of hydrogen bonds determines amino acids

Tags

NGSS.HS-LS1-1

Which DNA strand is complementary to TGTAGCTGCGCGT

• AGUGCUGCGCGUA
• TGTAGCTGCGCGT
• ACATCGACGCGCA
• TCGCGCAGCTACA

How is information for a specific protein carried on the DNA molecule?

• as a sequence of nucleotides
• in the double helix shape of the condensed chromosome
• in the ratio of adenines to thymines
• as a pattern of phosphates and sugars

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which components of DNA are referred to as the genetic code?

• phosphate groups
• nitrogenous bases
• deoxyribose sugars
• hydrogen bonds

The arrow indicates-

• bond between phosphate and deoxyribose
• junction of introns and exons
• hydrogen bond between nucleotides
• junction of a codon and a DNA triplet

Tags

NGSS.HS-LS1-1

How does DNA in cells determine an organism's complex traits?

• DNA contains codes for proteins
• DNA separates into long single strands
• DNA produces energy
• DNA folds into the nucleus

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

What makes up the backbone of DNA

• sugars and bases
• sugars and phospates
• phospates and bases
• sugars and thymine

Humans, protists, yeast, and animals all share

• the same number of chromosomes
• a genetic code
• the sequence of bases
• the number of bases