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tensa zangetsu [6.8K]
2 years ago
15

Where does the water in lakes come from? Select the three correct answers.

Biology
2 answers:
baherus [9]2 years ago
7 0
D: Surface-water runoff from rain
Katen [24]2 years ago
6 0

Surface-water runoff from rain.

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Which trace mineral is important for activating a key enzyme in gluconeogenesis?
ki77a [65]
The correct answer is Manganese (Mn).
<span>Manganese functions as a cofactor for a large variety of enzymes with many functions including those active in gluconeogenesis. <span>Pyruvate carboxylase that catalyzes breakdown of pyruvate to oxaloacetate requires manganese (or magnesium) for its function. Phosphoenolpyruvate carboxykinase also needs Mn.</span></span>
5 0
2 years ago
After eating half of a banana as a snack, you decide to save the rest for later. There are two types of plastic wrap in your
olchik [2.2K]

The plastic wrap that could have caused the browning effect is the ; Plastic wrap made of polyethylene

Ethylene is a multifunctional phytohormone that regulates growth and senescence ( softening and ripening of fruits ) in plants. Ethylene is a gaseous substance produced by fruits after they are harvested, which accelerates the softening and ripening of the fruits.

The browning of the banana will mostly likely be caused by the presence of the ethylene in the polyethylene plastic wrap.

Hence the plastic wrap that could have caused the browning effect on the banana is the polyethylene plastic wrap.

Learn more : brainly.com/question/17340947

6 0
2 years ago
Which of the following shows an unsaturated fatty acid?
astra-53 [7]

Answer: Option (c) is the correct answer.

Explanation:

A long hydrocarbon chain that consists a terminal carboxylic group is known as a fatty acid.

An unsaturated fatty acid consists a double bond within the fatty acid chain. If a fatty acid contains more than one double bond then it is known as polyunsaturated fatty acid.

For example, oelic acid has chemical formula C_{18}H_{34}O_{2} is an unsaturated fatty acid.

Therefore, we can conclude that option (c) represents an unsaturated fatty acid.

8 0
3 years ago
How are sexual reproduction and asexual reproduction different
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Germination is the process of seeds developing into new plants.

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