unit 1
What is the SI system?
It is the modern metric system of measurement and it stands for the international system of units.
How many basic features cell share?
They have 3 basic features.
What substance diffuses in the membrane?
water.
What is crossing over?
The exchange of genes between homologous chromosomes.
What are Punnett squares?
This is useful to predict the genotype of a particular cross or breeding.
How do scientists know when something is accurate?
They submit the work they have to a scientific journal. Some else review it.
How does a organism obtain energy?
The plant uses sunlight to make food.
How many transports are there?
There are 2 which are passive or active.
How many chromosomes are found in a human egg?
23
why is it important to know the dominant trait.
It is important to do because it will help you when you are going to find out what trait someone is going to get.
What is the independent variable?
It is something that changes in the experiment.
What does the mitochondria do?
It breaks down sugar to produce energy.
what is Glycolysis?
It breakdown of glucose by enzymes and it release energy.
What makes cancerous tumors harmful?
They invade and destroy the surrounding good tissues.
What enzyme that repair breaks down the DNA backbone?
DNA ligase.