Biology Review SB2

SB2b.Which of the following features of DNA is the most important in determining the phenotype of an organism?

• the direction of the helical twist
• the number of deoxyribose sugars
• the sequence of nitrogenous bases
• the strength of the hydrogen bonds

Tags

NGSS.HS-LS1-1

SB2b.
-ACGTAG-
The base sequence of a DNA strand that complements this DNA base sequence is 

• –TGCATC-
• –ACGTAG-
• –TGCAUC-
• –UGCAUC-

SB2b. Which RNA sequence is produced using the DNA sequence AGC-TAC-ACT?

• UCG-AUG-UGA
• UCG-UAC-ACU
• TCG-ATG-TGA
• AGC-UAC-ACU

SB2b. DNA code is transferred to mRNA in the ____ through a process called ____.

• Cytoplasm, translation
• Nucleus, transcription
• Nucleus, translation
• Ribosome, transcription

SB2b. Which of these statements best explains how genes and proteins are related?

• Genes are segments of DNA that code for proteins.
• Proteins are segments of DNA that code for genes.
• Genes are the building blocks of proteins.
• Proteins are the building blocks of genes.

Tags

NGSS.HS-LS1-1

SB2b. Which molecules store and transmit genetic information?

• Lipids
• Proteins
• Nucleic Acids
• Carbohydrates

Tags

NGSS.HS-LS3-1

SB2b. Which process turns the nucleotide sequence AAT to UUA?

• meiosis
• replication
• translation
• transcription

SB2b. Which statement about translation is correct?

• Amino acids are assembled into a protein on the ribosome
• Ribosomal RNA and transfer RNA form base pairs
• Messenger RNA is made from DNA
• Transfer RNA contains the genetic code copied from DNA

Tags

NGSS.HS-LS1-1

SB2b.The process by which the order of bases in messenger RNA (mRNA) codes for the order of amino acids in the protein is called

• Translation
• Transcription
• Replication
• Mitosis

SB2a. Which of the following is found in RNA nucleotides but not in DNA nucleotides?

• Nitrogen-containing base
• Phosphate group
• Ribose sugar
• Deoxyribose sugar