Question

A system is made up of several parts that
A. work independently to perform several related tasks.
B. work independently to perform unrelated tasks.
C. work opposite one another to perform unrelated tasks.
D. work together to perform a single task.

Answer 1

can you explain system will give medal

Answer 2

I'd say D. For example: digestive system - several parts that work together to perform a single task - digestion.

Answer 3

thanks

Answer 4

Both animal and plant cells are eukaryotic cells. What is the difference between animal and plant cells?
A. Plant cells have nuclei and mitochondria, while animal cells do not.
B. Animal cells have nuclei and ribosomes, while plant cells do not.
C. Plant cells have cell walls and chloroplasts, while animal cells do not.
D. Animal cells have cell walls and vacuoles, while plant cells do not.
is is d

Answer 5

C

Answer 6

i thought animal cells have cell walls and plants dont

Answer 7

nvm your correct thanks :)

Answer 8

no, animal cells don't have walls, they are not so "rigid"

Answer 9

i have a few more questions i need help with and ill tell you what i think it is and can you tell me if im correct? thanks so much for helping me

Answer 10

I'll try :)

Answer 11

The walls of the human heart are made of a specialized form of muscle tissue known as cardiac tissue. This cardiac, or heart, tissue contracts the chambers of the heart to cause rhythmical beating and blood circulation.

Tissues in the human body, such as cardiac tissue, are made up of
A. nerves.
B. cells.
C. blood.
D. organs.
b or d??

Answer 12

B, of course it's B. The cells are called myocytes.

Answer 13

The ________ is a membrane-bound organelle that contains an organism's genetic material and helps control and regulate cellular processes.
A. nucleus
B. cell membrane
C. mitochondrion
D. endoplasmic reticulum
Ok thanks and this one i remember learning about endoplasmic reticulum but i cant remember what it is

Answer 14

but is it cell membrane ?

Answer 15

no way cell membrane :)

Answer 16

wait so it is cell membrane or no??

Answer 17

The genetic material is found in the nucleus.

Answer 18

no it's not cell membrane, it's the nucleus - answer A

Answer 19

alright i have 3 more :) thanks for helping me so far

Answer 20

You're welcome :)

Answer 21

Chlorophyll is found in
A. neither plant nor animal cells.
B. plant cells.
C. animal cells.
D. plant and animal cells.
Next Question
is it b

Answer 22

well, actually the question is tricky, and this is why - chlorophyll is found in plant cells, but there is a unicellular animal organism, called Euglena, which has chlorophyll, too.

Answer 23

So, if it is a single-choice question, it's better to pick D.

Answer 24

There are many processes that food undergoes during digestion. Place the following processes in order of occurrence.

1. The stomach mixes and mashes together lumps of food into smaller and smaller pieces.
2. The large intestine absorbs water from remnant food particles and pushes the waste out of the body.
3. The mouth begins the digestive process using the teeth, the tongue, and saliva.
4. The small intestine continues to break down food and absorb nutrients from the food.
5. The esophagus moves food from the mouth to the stomach.
A. 3,5,1,2,4
B. 3,5,1,4,2
C. 3,5,4,1,2
D. 2,4,1,5,3
Next Question
is this a or b

Answer 25

B. 3-5-1-4-2

Answer 26

determine which of the following pairs of organelles or structures can be found in both plant and animal cells.
A. vacuole and chloroplast
B. cell wall and nucleus
C. cell wall and chloroplast
D. cell membrane and nucleus
d?

Answer 27

well, it's D, but again, if Euglena is disconsidered, because it's the exception of animal organism that has chloroplast.

Answer 28

i dont know if its considered

Answer 29

Thanks that all i needed help with :)

Answer 30

anyway, D is a good, 100% choice in this kind of tests, where comments are not allowed.

Answer 31

Thanks bye :)

Answer 32

Good luck! :)

Answer 33

^.^