Science Ch 4: DNA, the code of life.

What is the twisted ladder structure of the DNA also called?

• Triple helix

• rectangular prism

• Double hlix

• Double helix

The rungs of DNA are made up of...?

• Nitrogen bases

• Cyan

• Deoxyribose

• Liquid Nitrogen

______ and _________ are the molecules that makes up the sides of DNA.

What are the four nitrogen bases in DNA

• Uracil, Adenine, Guanine, Cytosine

• Cytospleen, Adeniine, Thymine, Juanine

• Thymine, Adenine, Cytosine, Guanine

• Phosphate, Deoxyribose, Nitrogen, Guanine

___ ___________ is the process in which an identical copy of a DNA strand is formed for a new cell

What is cancer?

• a disease

• a disease that causes cells to divide rapidly and uncontrollably

• a type of cell

• A mutation

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2

What are the three treatments of cancer?

• radiation, kemotherapy, sugery

• radation, chemotherapy, surgery

• radiation, chemotherapy, surgery

• dying, chemotherapy, radiation

What are the shared nitrogen bases in DNA and RNA?

• uracil, cytosine

• thymine, adenine, cytosine

• adenine, cytosine guanine

• uracil, thymine, adenine

What are the five steps of protein synthesis in order?

• mRna enters the protein, ribosomes attach to mrna, trna, attaches to mrna, amino acids join in the ribo, protein forms

• MRna enters the protein, ribosomes attach to mRNA, tRNA, attaches to mRNA, amino acids join in the ribosomes, protein chain forms

• mRNA enters the protein, ribosomes attach to mRNA, tRNA, attaches to mRNA, amino acids join in the ribosomes, protein chain forms

• MRNA enters the ribosome, MNAR attaches to

Tags

NGSS.HS-LS1-1