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Nataly_w [17]
3 years ago
9

Is this a model of an element, a compound, or a mixture? Explain your reasoning. It has to be in your own words.​

Biology
1 answer:
Kazeer [188]3 years ago
6 0

This a mixture. You can see water molecules forming hydration layer(solvation shell) around the atoms from the molecule that was disolved in water.

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What does it mean to say that double-stranded nucleic acids are<br> antiparallel?
Elanso [62]

Answer:

DNA is the genetic material of all the living organism except some viruses. The structure and the characteristics of the DNA was well explained by Watson and Crick.

DNA is a double stranded molecule in which nitrogenous bases are linked together. Watson and crick explained that DNA strand are antiparallel. The antiparallel nature of the strand means one DNA gas a polarity of 5' to 3' direction whereas the another strand of the DNA gas polarity of 3' to 5' direction. These two strands has opposite polarity and runs in anti parallel directions. Thus, the DNA strand known as antiparallel strands.

4 0
4 years ago
A rat deprived of food will learn a new response even if it is given only a nonnutritive, saccharine-sweetened substance after p
sergiy2304 [10]

Answer: The drive theory of motivation.

Explanation:

The drive threory of motivation is based on the principle that organisms have certain psycological or physiological needs (in this case, hunger). When those needs are not satisfied, a tension in the organism is produced, and with it a drive to seek the satisfaction of that need.

Because the substance the rat recieves is nonnutritive (it doesn't reduce the rat's hunger), we can clearly see that the rat isn't performing the response because of this drive, seeking for the satisfaction of its hunger, but is motivated by another feeling. Therefore, this observation is problematic for the drive theory of motivation.

4 0
3 years ago
A piece of bread held in the mouth begins to taste sweet as large carbohydrate molecules are broken down into smaller sugars. th
Scrat [10]
The answer to this question would be hydrolysis

There is amylase enzyme inside saliva that will break down starch into maltose sugar. Maltose is the sugar that <span>causing </span>the sweet sensation in the tongue. Since it will take for the reaction to happen, the sweet taste only appears after a few moments after you chewing the bread.
The reaction that was catalyzed by amylase is hydrolysis.
4 0
3 years ago
Which layer of Earth has the most mass? A*the crust B the mantle C the inner core D the outer core
Tanya [424]

Answer: the mantle B

Explanation: Largest layer resulting in biggest mass.

8 0
3 years ago
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What molecule is most favored by mitochondria and used by the body as quick energy?
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3 years ago
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