Cell Cycle and Chromosome key words

An illustration of a molecule that stores genetic code for cellular use is shown. The ordering of base pairs (A, T, G, and C) determine what amino acids will be used when making protein.

What is the name of this molecule?

Tags

NGSS.HS-LS1-1

The DNA molecule's structure is described as a double helix. Some people describe it as looking like a twisted ladder.

Which component of the DNA molecule would make up the rungs (or steps) on the ladder?

• nitrogenous bases

• 5' ends

• phosphate groups

• deoxyribose sugar

DNA is a polymer made of:

• Nucleotides
• Ribosomes
• Purines
• Pyrimidines

Tags

NGSS.HS-LS1-1

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine
• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the nucleus
• deoxyribose sugar and phosphate

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

A 4 stage process that makes an exact copy of a cell's nucleus.

• Interphase

• Prophase

• Cytokinesis

• Mitosis

Tags

NGSS.HS-LS1-4

Time period between cell divisions when the cell grows, DNA replicates & extra organelles are produced.

• Interphase

• Prophase

• Cytokinesis

• Telophase

The division of the cytoplasm and organelles that occurs at the end of the cell cycle after mitosis.

• Metaphase

• Anaphase

• Cytokinesis

• telophase

Tags

NGSS.HS-LS1-4