Science enhancement year 10

Front

What is DNA? What does it look like? What does it stand for?

Back

DNA stands for deoxyribonucleic acid. It is a double helix and is found in the Nucleus of Cells.

Front

What are the 4 bases of DNA?

Back

Adenine, Thymine, Cytosine, Guanine

A-T, C-G

Remember it by C and G looking similar, with A and T not looking like it.

Front

What is the role of RNA in genetics?

Back

RNA helps carry genetic information from DNA to the ribosome, where proteins are made. It acts as a messenger and plays a key role in protein synthesis.

Front

What is a mutation in genetics?

Back

A mutation is a change in the DNA sequence that can lead to variations in traits or cause genetic disorders.

Front

What is the complementary strand of:

GGATGAC

(Remember, A-T, C-G)

Back

CCTACTG

Front

How many chromosomes are in a human?

Back

46

Front

How many chromosomes are in a human gamete?

Back

23

Front

What is Mitosis and where does it occur?

Back

Mitosis the division of a cell to produce two identical daughter cells. It occurs in body cells like skin cells.

Front

What is Meiosis and where does it occur?

Back

Meiosis is the division of a cell to produce four daughter gametes with half the chromosomes of it's parent.

Front

What is a sex-linked disease? (Not to be confused with an STD)

Back

Diseases linked to the genes that are located on sex-chromosomes