An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in CELL TO CELL RECOGNITION.
Carbohydrates have diverse functions, one of their functions is that they serve as a recognition signal at the surface of cells.
Carbohydrates located on the surface of cells enable cells to recognize and communicate with one another.
I think should do the trick A and D
Answer:
200 meters
Explanation:
A kilometer is 1,000 meter. 0.2 x 1,000 is 200 meters.
You can also think of it this way, 0.2 is 1/5. We need to find 1/5 of a kilometer. We know the conversion is 1,000 meters/kilometer. 1,000/5 is 200. Therefore you must walk 200 meters to hatch the egg.
Earth’s orbital speed around the Sun is closest to OC) 850 mi/h
Answer:
True. You can get vitamin A as "preformed vitamin A" which is already active and/or you can get vitamin A as carotenoids which the body can turn into active vitamin A.
Explanation:
There are two different types of vitamin A that can be obtained from food:
1. Preformed vitamin A, which is already active, is found in animal products such as beef, fish, poultry and dairy products.
2. Provitamin A, which is the inactive form, is found in plant-based foods, such as fruits and vegetables. The most common type of provitamin A is β-carotene, which is a carotenoid that the body can turn into active vitamin A via an enzyme named β-carotene 15,15'-monooxygenase.
