Question

The element carbon is present in all organic compounds. Which reason would explain why there are so many different types of organic compounds?
A)
Carbon is a nonmetal.
B)
Carbon has an atomic number of six.
C)
Carbon can form four covalent bonds.
D)
Carbon has a total of six electrons.

Answer 1

@natasha.galich

Answer 2

C. Thereby making many different combinations.

Answer 3

This is the simplest type of joint, found in your elbows, knees, fingers, and toes. It allows movement in only one direction. It is a ___________ joint.
A)
hinge
B)
saddle
C)
gliding
D)
ball and socket

A. ?

Answer 4

Correct.

Answer 5

Many plant cells have a single, large _________ __________ that is filled with fluid.
A)
central vacuole
B)
Golgi apparatus
Eliminate
C)
lateral attachment
D)
endoplasmic reticulum

Answer 6

idk at all

Answer 7

Since plants don't have skeletons they use water to help keep their shape using A. Central vacuoles

Answer 8

wow what grade r u in?

Answer 9

Viruses are not considered to be living things, but they depend upon living cells for energy, reproduction, and protection at the expense of the cells that they invade.
The type of relationship described could best be classified as one of
A)
commensalism.
B)
mutualism.
C)
parasitism.
D)
resignation.

Answer 10

C.

Answer 11

Lol thank you, I'm in university.

Answer 12

:O

Answer 13

u r my angel

Answer 14

Which relationship is an example of commensalism?
A)
Hyenas and lions fight over the same antelope kill.
Eliminate
B)
A tapeworm lives in the intestine of a dog, obtaining food for itself, while slowly harming the dog.
C)
Remora fish stick to large sharks, receiving a free ride and scraps of food the shark does not eat. The shark is neither helped nor harmed.
D)
A diamondback rattlesnake and a gopher turtle share a burrow. The turtle digs the hole, and the snake provides protection from predators for the turtle.

Answer 15

C.

Answer 16

Happy to help an SAO fan.

Answer 17

XD

Answer 18

omg!!! i have 60 questions and im only on 15... ;-;

Answer 19

im gonna die here, tht for ur help tho

Answer 20

thx

Answer 21

Well anyones you get stuck on just ask.

Answer 22

okay u really r meh angel omg we r talking about sex ;-; what happen to science?

Answer 23

What is a disadvantage of asexual reproduction?
A)
It leads to the birth of very few offspring at one time.
B)
Genetic information is passed from parent to offspring, with no genetic variation.
Eliminate
C)
It cannot take place until and unless genetic information from two parents is combined.
D)
It does not allow the organisms to survive and reproduce during unfavourable conditions.

Answer 24

0^0 ze sex talk

Answer 25

btw its B right?

Answer 26

B.

Answer 27

XD

Answer 28

Lol

Answer 29

cool

Answer 30

seriously tho science has changed

Answer 31

It's a brave new world.

Answer 32

-.- shame to the world

Answer 33

yes im talking about dead fish..great... =.=

Answer 34

Help...please?
In this process, the soft tissue of organisms, usually plants, fish, or insects, are preserved when the organism is buried in sediment. Then the hydrogen, oxygen, and nitrogen within the organism's body turn to gases and escape. The remaining element leaves a black film in the rock. This type of fossil is called a
A)
cast.
B)
carbon film.
C)
trace fossil.
D)
petrification.
Eliminate

Answer 35

A. Cast ?

Answer 36

Correct.

Answer 37

Manuel's teacher asked the class to make a wet mount slide of their cheek cells. Manuel made his slide and placed it on the microscope stage. Then he got ready to view his cheek cells by following these procedures.

1. Looking through the eyepiece, Manuel adjusted the diaphragm so field of vision was lit.
2. Manuel looked at the stage from the side and lowered the body tube so the high power objective was almost touching the slide.
3. Looking into the eyepiece, he very slowly turned the coarse adjustment to bring the cells into focus.
What suggestion would you make to Manuel to CORRECTLY use the microscope to view his cheek cells?
A)
close the diaphragm
B)
start with the low power objective
C)
do not look at the stage when lowering the body tube
D)
start with the body tube raised and lower it while looking through the eye piece

Answer 38

B. Start on low.

Answer 39

thx

Answer 40

The mosquito transmits malaria to humans and heart worms to dogs. In this case, the BEST description of the mosquito would be as a __________ for the disease.
A)
host
B)
parasite
C)
shield
D)
vector

now im gonna barf... ik its host u dont have to answer this.

Answer 41

Lol

Answer 42

lol

Answer 43

U left meh ;~;

Answer 44

What grade are you in?

Answer 45

7th

Answer 46

I was answering another question.

Answer 47

oh okay thats fine :D