Wednesday
April 23, 2014

Homework Help: MATH

Posted by Help!!!!!!!!!!!!!! Fast its urgent Please!!!!!!!!! on Friday, December 7, 2012 at 1:18am.

Chemistry of Life
Multiple Choice
1.
Which of the following form the main components of our body cells?

carbohydrates and proteins
fat and phosphorous
proteins and iron
nucleic acids and calcium

2.
Organic compounds always contain______.

water
oxygen
nitrogen
carbon

3.
Which of these is a compound?

Ca
Mg
Na
H20

4.
Water is such a vital part of an organismís existence because

all the chemical reactions take place in water.
water is used to transport materials.
water acts as an insulator.
all of the above

5.
_______ is an inorganic molecule found in bones.
Salt
Calcium
Nucleic acid
Lipids


My Answer: PLEASE BE HONEST PLEASE THANKS =)

1 carbohydrates and proteins
2 carbon
3 H20
4 all of the above
5 Calcium

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math - a 10 question multiple choice test has 4 possible answer for each ...
Math - What is the probability of rolling a number cube and getting an even ...
Stats - An instructor gives a test with 20 multiple choice questions. There are ...
Maths - Multiple-choice questions in a test are graded by adding 2 marks for ...
AP stuff - "Come to... classroom after school (the possible dates will be ...
math - Is this the right way to answer this question? A physics exam consists of...
Stats - [1.5%] ANOVA: Three groups of 5 students were tested in their ability to...
algebra - Pam scored 78 on a test that had 4 fill-in questions worth 7 points ...
AP CHEMISTRY - Could someone please tell me where to find the 2008 AP Chemistry ...
Algebra - A history test is to have 20 questions in which some are multiple ...

Search
Members