I believe that a cell must use active transport to move molecules across the membrane against a gradient. Your answer should be D.
Answer:
Chemoautotrophs.
Explanation:
Autotrophs may be defined as the organism that can prepare their own food with the help of chemical and light. Two types of autotrophs are chemoautotroph and photoautotrophs.
Chemoautotrophs are the organisms that can prepare their own food with the help of chemicals. The bacteria living around deep sea and hot water vents are considered as chemoautotrophs because they prepare their food with the help of carbon present in their surroundings.
Thus, the correct answer is option (A).
It would have to be an animal cell becuase it doesnt have a cell wall and has a flagella.
What is one environmental concern that is not currently being addressed properly, as not enough research to produce reliable data is occurring?