Which of the following is NOT present in all cells? ribosomes

mitochondria

cell membrane

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

If animal agriculture was eliminated, how much grain would become available for human consumption?

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f