Science questions 10 points to first answer?

Question

In the space to the left, write the letter of description in red that best fits each term. You will not need to use all descriptions.


1. nucleus
2. chromosome

3. DNA

4. gene

5. cytoplasm
6. enzyme
7. photosynthesis

8. selectively permeable

A. takes place in the chloroplasts
B. a section of the DNA molecule that codes for a specific enzyme or other protein
C. allows some molecules to pass through but not others
D. the control centre of the cell
E. the molecule that contains the genetic instructions for the cell
F. applies pressure to the cell walls
G. consists of one DNA molecule and a variety of proteins
H. a protein that speeds up a chemical reaction
I. a material in which the nucleus and organelles are suspended

Answer 1

1. D
2. G
3. E
4. B
5. I
6. H
7. A
8. C

Answer 2

a million. a) 15.seventy 5 - 12.40 5 = 3.3g b) 15.ninety six - 12.40 5 = 3.51g 3.51 - 3.3 = 0.21g c) that all of the chemical in the try tube reacted with oxygen (ie. after heating) 2. actual replace = straight forward reversible variations that don't replace the form of atoms or compounds in the substance, Chemical replace = irreversible variations that are formed via atoms chemically bonding jointly to sort a sparkling substance. Chemical variations are greater good to opposite. 3. a) chemical b) actual c) actual d) chemical 4. Neutralization 5. you're able to try this one your self. it extremely is extremely not that not difficulty-free...and that i'm too lazy to describe the reasoning at the back of it ;P

Answer 3

1. d
2. g
3. e
4. b
5. i
6. h
7. a
8. c

Answer 4

1.d
2.g
3.e
4.b
5.i
6.h
7.a
8.c

Answer 5

1.D
2.G
3.E
4.B
5.I
6.H
7.A
8.C