2017 Mod9

Question 1

Define the following terms:

A. Atom

Answer 1

The smallest chemical unit of matter.

Question 2

B. Molecule

Answer 2

Two or more atoms linked together to make a substance with unique properties

Question 3

C. photosynthesis

Answer 3

The process by which green plants and some other organisms use the energy of sunlight and simple chemicals to produce their own food

Question 4

D. metabolism

Answer 4

The sum total of processes in an organism that convert energy and matter from outside sources and uses that energy and matter to some stain the organisms life functions

Question 5

E. Receptors

Answer 5

Special structures that allow living organisms to sense the conditions of their internal or external environment

Question 6

F. Precocial

Answer 6

Offspring born ready to fend for itself

Question 7

G. Altricial

Answer 7

Born help us in some way, I can’t hear, see, or regulate body temperature

Question 8

H. Cell

Answer 8

The smallest unit of life in creation

Question 9

What are the four criteria for life?

Answer 9

1. All lifeforms have DNA
2. all eat/absorb energy
3. All lifeforms can sense changes and respond accordingly
4. All lifeforms reproduce

Question 10

What does DNA provide to a living organism

Answer 10

A “blueprint”

Question 11

Compared to other molecules, is a DNA big or small

Answer 11

Small

Question 12

Does DNA stores information more efficiently or less efficiently than a computer

Answer 12

More efficiently

Question 13

DNA is made up of two basic parts: the backbone in the nucleotide basis.
A. Which part stores that information?
B. Which part forms the double-helix structure

Answer 13

A. The nucleotide basis

B. The backbone

Question 14

Which nucleotide will link to adenine? Which will link to cytosine?

Answer 14

Adenine - thymine

Cytosine - guanine

Question 15

One half of a portion of DNA has the following sequence:
cytosine, guanine, adenine, guanine, thymine, thymine
what is the sequence of nucleotide on the other half of this portion

Answer 15

guanine, cytosine, thymine, cytosine, adenine, adenine

Question 16

What is the other half of the sequence: thymine, guanine, cytosine, adenine, thymine, guanine

Answer 16

Adenine, cytosine, guanine, thymine, adenine, cytosine

Question 17

What is the name of the chemical that plant make for food?

Answer 17

Photosynthesis

Question 18

What is the name of the chemical that plant or some store their food as

Answer 18

Glucose

Question 19

For most organisms, metabolism requires food and something else. What is that something else?

Answer 19

Oxygen

Question 20

Metabolism produces energy and usually two other things. What are they?

Answer 20

Water, oxygen

Question 21

An organism’s receptors no longer work. Which of the four criteria of life will the organism not be able to perform?

Answer 21

Number three

Question 22

Consider the difference between a shark in an anchovy. Both are fish. The first is a fierce Hunter there is rarely eaten by other animals. The second is a major source of food for many other fish in the sea. Which would you expect to have more offspring: two shark parent or two anchovy parents

Answer 22

To anchovy parents

Question 23

Every once in while, a female cat will be born sterile. This means that the cat cannot have kittens. Does this mean that the cat is not alive, since it cannot reproduce?

Answer 23

No

Question 24

Is the population of people on the earth becoming a problem?

Answer 24

No

Question 25

Indicate what the arrows are pointing at it in the cell drawing below:

Answer 25

Outside edge = membrane
Center part = nucleus
middle part= Cytoplasm
Floaty stuff in cytoplasm = organelles

Question 26

In which organelle is most of DNA stored

Answer 26

In the nucleus

Question 27

How many need basic kind of cell are there? Name them.

Answer 27

Three

Animal cells, plant cells, bacteria

Question 28

If a scientist uses a microscope to examine the cell from a mouse, a cell form a leaf, and a cell from a cat, how many different kinds of basic kind of self will She see

Answer 28

Two