A student is given a small amount of unknown tan-colored liquid substance. This unknown liquid is placed into a glass of water and mixed. Despite mixing, the tan liquid remains separated from the water and collects as a large droplet at the top. Which of the macromolecule groups is this liquid MOST likely to be a member of?

Answers

Answer 1

Answer: This liquid substance most probably be a member of the group of lipids. Liquids which do not dissolve in water are called hydrophobic substances. Nonpolar substances exhibit this effect. Lipids are a class of large molecules or macromolecules which are hydrophobic. Lipids include cholesterol, fat, and phospholipids.

Answer 2

Answer:

Answer:

Lipids

Explanation:

Study Island said so

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Observation of tool-making among chimpanzees was revolutionary primarily because scientists believed _______. a. chimpanzees lacked the dexterity to make tools b. tool use was a defining characteristic of humans c. tool-making was a defining characteristic of humans d. none of the above

Answers

The answer to the question stated above is letter C.
Observation of tool-making among chimpanzees was revolutionary primarily because scientists believed tool-making was a defining characteristic of humans.
>>>FACT<<<
>Chimpanzee mothers in the Tai Forest, instruct their children in tool use. Chimpanzee mothers assist them in placing the nut in the anvil in the proper way.

The correct answer is:

c. tool-making was a defining characteristic of humans

Explanation:

They believed that the tool making was a characteristic that was possessed by humans.The initial stone toolmaking increased by at least 2.6 million years ago. The Early Stone Age covers the most basic stone toolkits made by early humans. The Early Stone Age in Africa is comparable to what is described the Lower Paleolithic in Europe and Asia.

Water in ocean currents can descend when it becomes colder and saltier thanthe surrounding water. If water descends to the bottom of the ocean, then other
water must rise to the top. What causes water to rise to the top of the ocean?*
It is forced upward by underwater mountain ranges
It cools down and dissolves additional salt
It is brought upward by organisms that live in the ocean
It becomes less dense than the surrounding water

Answers

Answer: D it becomes less dense than the surrounding water

Explanation: when the water becomes colder and saltier it becomes more dense so the less dense water rises to the top.

What is the most important role of lipids?

Answers

Explanation:

The most important role of lipids is the fats, phospholipids, waxes, and steroids. Lipid is a compound that contains carbon and hydrogen and is used to store energy, provide structure, and transmit information. Fats are stored in adipose tissue. Adipose tissue a group of cells that store fat, generally found under the skin and around organs.

Phospholipids are the main component of cell membranes. Waxes provide a waterproof coating on leaves and feathers. Steroids are part of cell membranes and chemical messengers in the body. It has long-term energy storage, provides insulation and protection.

they are used mostly as a barrier

Hich possible errors did you include in your response? Check all that apply.The water should not be pink/purple because water should test negative for protein.

The water should actually have turned blue, because Biuret solution is blue.

Someone may have mislabeled the test tube with water

The water may have been contaminated with a protein.