How many chromosomes are produced by the first division during meiosis?

a) four additional

b) four times the original

c) double the original

d) none of the above

A young man develops skin cancer that does not spread to any other tissues; the mutation responsible for the cancer arose in a single skin cell.

How does cancer causing mutation happens?

What happens to a stars core when it runs out of helium

Which of the following is not a feature of cardiac muscle? Multiple Choice They depend almost exclusively on aerobic respiration. They are rich in glycogen. They are very rich in myoglobin. They have larger than average mitochondria.

To assist the investigators with the crime, you will need to perform Polymerase Chain Reaction (PCR) to create copies of this gene so the sizes can be compared to determine if the blood was from a man or woman.

In which type of environment did this fossilized fish most likely live?

5. What is pretexting? How is this used?

The energy usage per capita in Africa and Asia have grown tremendously the last 50 years. Which of these would be a good explanation of why the energy use off these continents has grown more quickly over this time period when compared to North

Describe what happens during the regeneration stage of the calvin cycle

Почему при нехватке кислорода человек может погибнуть? Кратко!