Sci Method, Life Prop, Chem of Life

Question 1

Molecule is nonpolar (hates water), has CHO, stores long-term energy, and makes up cell membranes. Ex. oil & butter

Accepted Answer

lipids

Question 2

Which of the following properties of water enables it to move from the roots to the leaves?

Accepted Answer

Water exhibits capillary action (cohesion + adhesion)

Question 3

Water is universal due to dissolved substances. What property of water allows versatile solvent

Accepted Answer

polarity and cohesion

Question 4

This macromolecule has CHO and gives quick energy, structure and includes fruits and vegetables, starch and sugars.

Accepted Answer

carbohydrate

Question 5

Which of the following conclusions is supported by the graph?

Accepted Answer

Infection embanked ponds increased during sampling period

Question 6

This molecule has the elements CHON. It makes up muscles, skin, and hair and forms enzymes. Sources are meat & eggs

Accepted Answer

proteins

Question 7

Living things have maintain a certain temperature range. Shivering to stay warm shows the life property_____.

Accepted Answer

homeostasis

Question 8

Large bodies of water don't fluctuate (change) quickly in temp. What is the reason for this phenomenon?

Accepted Answer

Water has a high heat capacity

Question 9

What will most likely happen if an appropriate enzyme is added to a chemical reaction?

Accepted Answer

the reaction rate (speed) will increase

Question 10

Graphs and charts are examples of ____ data.

Accepted Answer

QuaNtitative

Question 11

RNA and DNA are heredity molecules and contain CHONP. Which type of macromolecule are they?

Accepted Answer

nucleic acid

Question 12

The penguin is listening to its favorite music in an observation.

Accepted Answer

False

Question 13

Why does ice stay at the top of oceans instead of sinking to the bottom?

Accepted Answer

Ice is less dense than liquid water

Question 14

Which of the following conclusions can be drawn from this graph?

Accepted Answer

Atmospheric CO2 levels increase rapidly over the past century

Questions 14