DNA Structure
What does DNA stand for?
deoxyribonucleic acid
Which nitrogenous base pairs with adenine in DNA?
thymine
What is the main function of DNA in cells?
storing genetic information
Who do we get DNA from?
Our parents
What organelle is known as the "powerhouse of the cell"?
mitochondria
What shape is the DNA molecule?
double helix
Which nitrogenous base pairs with cytosine in DNA?
guanine
What part of the cell contains the DNA?
nucleus
Which of these is determined by DNA?
Fashion sense, favorite color, hair color
Hair color
Host Cell
What are the building blocks of DNA called?
nucleotides
What type of bond holds base pairs together?
hydrogen bond
What does DNA code for?
Proteins
Traits
Genes
The ____________ of nitrogenous bases determines our traits (hair color, eye color, etc)
Sequence
What type of diffusion requires no energy?
passive transport
What are the three components of a nucleotide?
sugar, a phosphate group, and a nitrogenous base
Which nitrogenous base pairs with guanine in DNA?
cytosine
True or False: there are only four base pairs
True
Monkeys
What plant vascular tissue moves water from the roots to the rest of the plant?
Xylem
What type of sugar is found in DNA?
deoxyribose
Name the four nitrogenous bases in DNA.
adenine, thymine, cytosine, and guanine
Does a blonde person and a brunette person have the same order of letters in their DNA?
No
Why do doctors look at DNA to help prescribe medicine?
Different DNA sequences in different people can be affected by different medicines
What system is responsible for transporting oxygen, nutrients, and waste throughout the body?
circulatory system