Answer:
b) Channel pumps
Explanation:
The channels are the transmembrane proteins that serve in the passive transport of substances down the concentration gradient. The channels can be gated or non-gated. The gated channels are opened and closed in response to certain stimuli such as electrical change.
For example, aquaporins are the gated water channels that transport the water across the plasma membrane. The process is driven by the osmotic gradient and does not use the energy of ATP.
Dione
Lapetus
Rhea
Titan
Explanation:
Saturn is the sixth planet in the solar system. It is one of the four Jovian planets that are predominantly made up of gas.
Saturn is most notable for its three rings.
- This solar body has 18 known satellites revolving round it.
- They are pulled by Saturn gravity.
The four largest satellites orbiting Saturn are:
name of satellite diameter(km)
Dione 1123
Lapetus 1470
Rhea 1527
Titan 5149
learn more:
Planet brainly.com/question/10934170
#learnwithBrainly
Answer:The Correct answer is D
Explanation: The Autonomic Nervous System is that part of Peripheral Nervous System that consists of motor neurons that controls the internal organs. The autonomic system controls muscles in the heart, the smooth muscle in internal organs such as the intestine, bladder, and uterus.
Hope this helps : )
The two biggest reasons for children spending less time outside are the development of technology and the safety issues. The development of technology brought in our homes countless forms of having fun which is very important to children. The mobile phones, PC's, laptop's, tablets, Sony Play Station, as well as lots of technologically improved toys, made the children stay at home since they have the fun indoors, and not be interested in going outside and in nature. Also the safety issues in lots of parts in the world made the parents to restrict the children to the indoors environment.