Science Notes #20 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
What is the main function of genes? | The genes control the traits of an organism and the production of proteins in the organism's cells |
Proteins help to determine what? | Traits |
Are proteins important in all cells? Why or why not? | Yes, because cells need proteins to function- live, reproduce, repair and build tissues. |
A _________ is a section of a DNA molecule that contains information code for the specific protein. | Gene |
How many pairs of nitrogen bases can be on a single gene on a chromosome? | 100-1000000 |
What cells do not have a copy of your DNA? | Mature red blood cells |
DNA stands for what? | Deoxyribonucleic Acid |
When does DNA replication occur? | During mitosis |
Are 2 new daughter cells exactly like the mother cell? | Yes |
Continue this phrase: Both resulting daughter cells have: | The same genetic information. |
What happens during replication? | The 2 sides of the molecule unwind and separte like a zipper unzipping. |
What separates the nitrogen base by breaking down the hydrogen bond? | Enzymes |
What is a hydrogen bond? | A bond between 2 matched nitrogen bases. |
What are enzymes? | Special proteins that help to regualte your cells activities and help break down substances. |
What are nucleotides? | Floating nitrogen bases in the nucleus. |
What is a mutation? | A change in the order of the of the bases in an organism's DNA. |
What is Sickle Cell Anemia? | A painful blood disorder where the blood cells are not shaped correctly. |
What are repair enzymes? | Patrollers who find mutations before they begin and "kill" them |
If repair enzymes do not fix the mistake in a cell, it becomes permanent and is known as a what? | Mutation |
What can mutations be caused by besides random errors during DNA replication? | Physical and Chemical changes. |
What are mutagens? | Mutations by physical and chemical changes. |
What are examples of mutagens? | X-ray machines, overexposure to UV sunlight, asbestos, and chemicals in cigarettes. |
More than ______ people get skin cancer every year. | 750,000 |
As the ozone layer decreases, the number of people with skin cancer a year may ______. | Increase |
The DNA molecule ____leave the nucleus. | Cannot |
What copies the DNA code? | mRNA |
What is RNA's nitrogen base and what does in share a bond with? | Uracil with adenine. |
What is a series of 3 nitrogen bases called? | Codon |
What is a gene? | Made up of a glucose, nitrogen base, and phosphate molecule |
What determines the type of protein that needs to be made by ribosomes? | Order of nitrogen bases + gene |
Once _____ has brought a _____ of DNA to the _______, ________will bring _______ _____ to help make the _____. | mRNA copy ribosome tRNA amino acids proteins |
Created by:
rozeepozee9893
Popular Science sets