Biology//Science homework?

Question

1. What was the HMS Beagle?

2. If you have two XX chromosomes you are doomed to be what?

3. What two chromosomes determine an individuals sec and what number are they?

4. Carbohydrates are made up of what three elements? What are their purpose?

5. Who was the first person to use a light microscope to look at thin sliced of plant tissue (or cork)?

left my book at school

please answer :]

thanks

Answer 1

1 the ship darwin traveled on

2 female

3 X and Y, 42

4 carbon hydrogen .... don't know third

5 don't know

Answer 2

1. The ship that Darwin traveled on.

2. A female

3.The X and Y chromosomes, in humans it is the 23rd pair.

4. Carbon, Hydrogen, and Oxygen.

5. Robert Hooke. He looked at cork cells in 1662 and called the vacant holes he saw "cellulae" meaning small rooms. In fact, he was looking at the cell walls remaining after the plant cells died.