5. <span>Both only occur in one direction
7. M</span><span>ovement of water across a cell membrane
10. </span><span>Increase the surface area to allow more space for ATP synthesis
11. </span><span>They must contain a nucleus
</span>12. <span>Both surfaces of the membrane can interact with water and other molecules
13. O</span><span>smosis </span>
Answer:
Explanation:
People have to wear bifocals most commonly because of a condition called presbyopia. This condition occurs naturally. It causes difficulties in the eye’s focusing abilities. Bifocals work to help the eyes focus more clearly, which is why people have to get them.
The correct options are as follows:
1. C
The open ocean does not begin at the low tide mark and extend to the continental shelf, the oceanic zone typically begins in the offshore area where the water measures about 200 meters deep or deeper and it extends to the ocean floor.
2. B.
The inter tidal zone in the marine aquatic environment refers to the areas of the foreshore and the seabeds which is exposed to the air at low tide and submerged at high tide. One of the features of the inter tidal zone is that it is exposed to extreme temperatures, from very hot to near freezing point.<span />
The protein found in large amounts in the outermost layer of epidermal cells is collagen.
<u>TRUE</u>