The concentration of glucose outside the cell is higher than the concentration of glucose inside the cell, thus there is a concentration gradient. The molecules of glucose move randomly and there is a net movement from outside to the inside, down the concentration gradient.
<span>1. Neutrons are found __________ and have ___________ charge.
in the nucleus; neutral
Question 2. Which of the following particles has a positive charge?
proton
Question 3. Which of the following particles has a negative charge?
electron
Question 4.In which state of matter do the particles move somewhat freely but still not enough to fill the entire space of a container?
liquid
Question 5.In which state of matter are the particles the LEAST attracted to each other?
gas
I am 100% sure of these answers. Have a nice day.</span>
Answer:
A. spiral galaxies are not pinwheel-shaped
Explanation:
There are three types of galaxies that include spiral galaxy, elliptical galaxy and irregular galaxy.
Elliptical galaxies are round shaped as well as elongated. Elliptical galaxies have both old and new stars but mostly it contains old stars.
Spiral galaxies are pinwheel-shaped due to the regular spinning motion of dust, stars and gas around the galactic center, at speeds of hundreds of kilometers per second which allows the matter to take a pinwheel-shape. Spiral galaxies are made up of lot of gas and dust and forms many new stars which allows the spiral galaxy to shine bright.
Irregular galaxies do not have any definite shape because of the gravitational influence of close galaxies. They also have many new stars.
Hence, the error is foudn in first sentence, where it says that spiral galaxies are not pinwheel shaped. so teh correct option is A.