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Lady bird [3.3K]
3 years ago
9

Which part of a cell directs the cell's activities and holds its DNA?

Chemistry
2 answers:
neonofarm [45]3 years ago
4 0

Answer:

Nucleus is the answer

A micrograph of animal cells, showing the nucleus (stained dark red) of each cell. Known as the cell's “command center,” the nucleus is a large organelle that stores the cell's DNA (deoxyribonucleic 

rewona [7]3 years ago
3 0

Answer:

<em>nucleus </em><em> </em><em>is </em><em>the </em><em>part </em><em>of </em><em>a </em><em>cell </em><em>directs </em><em>the </em><em>cells</em><em> </em><em>Activities</em><em> </em><em>and </em><em>holds</em><em> </em><em>it's</em><em> </em><em>DNA</em>

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A researcher recorder that a chemical reaction require 2.90 gal water and raised the temperature of the reaction vessel by 57°F.
Ivan

Answer:

10.875L

Explanation:

The problem here is a simple conversion. The conversion is from gal to liters Liter is a SI unit for recording volume as stated in the problem.

Given that:

              1 gallon of water = 3.75L

              2.90 gallon will be 2.9 x 3.75; 10.875L

4 0
2 years ago
Students were investigating properties of matter, but wanted to make sure that when they tested these properties they had proper
Mariana [72]

Answer:

See explanation

Explanation:

An intrinsic property is a property that is internal, that is, it characterizes the substance under study. The possession of an intrinsic property depends on the nature of the substance. An intrinsic property does not depend on amount of substance but on the nature of the substance.

Examples of intrinsic properties include; Density. Solubility, Melting Point, Freezing Point, Boiling Point, Conductivity etc.

Intrinsic properties really represent the matter that is being studied. For instance, the boiling point of water will always be 100°c. No other liquid can boil exactly at that temperature. Hence, this intrinsic property can always be used to identify an unknown liquid as water.

The students were right, studying intrinsic properties accurately represent the matter that is being studied.

4 0
3 years ago
Why does the sun move from night-time to dayime?
valentina_108 [34]

Answer: Rotation cause by the earths orbit and gravity

Explanation:

4 0
2 years ago
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If 0.5 moles of Aluminum react, how many grams of Aluminum Oxide are produced?
Marysya12 [62]

Answer:

210438+28+5+8+2+2+8+30+5+8+6+8+2+5+3+82+8+9+2+8+8+5+5+5+6+9+2+56+5+6+5+-3+8+8+58+5+6+8+5+8+5+35+6+3+8+5+3+68+6+8+6+88+8+!?=8+5+55+5+5+5+5+5+5+5+5+5+2+58+0+80=0=0=00=

3 0
3 years ago
If a sodium ion (Na+) has a positive charge and loses an electron when combined with chlorine, will the sodium atom become a new
Alina [70]

Answer:

No

Explanation:

loss of electron doesn't affect the element.

only change in proton number can, as we notice in nuclear chemistry.

please mark brainliest

7 0
3 years ago
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