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Free_Kalibri [48]
3 years ago
12

(I already know number 1)

Biology
1 answer:
Andrej [43]3 years ago
5 0
2. All cells arise from pre existing cells(Rudolf Virchow). Cell is the fundamental, structural and functional unit of all organisms(Schleiden and Schwann).
3. All cells have a cell membrane.
All cells have chromosomes present.
All cells have cytoplasm.
4.Eukaryotic cells contain a nuclear membrane but Prokaryotic cells have only pseudo nucleus
Eukaryotic cells contain membrane bound organelles but prokaryotic cells don't.
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The diagram below shows several organisms in a fish tank. Which item in the tank produces oxygen? *
monitta
A) plant because it does photosynthesis
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3 years ago
How do long-shore currents shape the land? Need a bit of explanation too.
mrs_skeptik [129]

The waves move toward land. When waves crash into the land over a long time, they can break rock down into smaller pieces. These pieces are called sand. A shoreline is a place where the land and the water meet.

5 0
3 years ago
LAST ONE!!!
Vlad1618 [11]

<u>The equation that shows the decomposition of silver carbonate are;</u>

2Ag2CO3 ---------> 4Ag + 2CO2 + O2

<u>From the periodic table:</u>

Mass of silver = 107.8682 grams

Mass of carbon = 12 grams

Mass of oxygen = 16 grams

Molar mass of Ag2CO3 = 2(107.8682) + 12 + 3(16) = 275.7364 grams

<u>From the balanced equation above:</u>

2(275.7362) = 551.4728 grams<em> of</em> Ag2CO3 <em>produces</em> 4(107.8682) = 431.4728 <em>grams of Ag</em>

<u>Thus, in order to know the mass of Ag produced from 2.76 grams of Ag2CO3, we'll use the cross multiplication method; </u>

Mass of Ag produced = (2.76 × 431.4728) / (551.4728) = <em>2.16 grams</em>

Based on the calculations demonstrated above, the law of conservation of mass is applied.

7 0
3 years ago
What is the complementary base for each of the following? Write the base pairs together.
Serggg [28]

Answer:

In DNA

Adenine =Thymine

Guanine ≡Cytosine

In RNA

Adenine =Uracil

Guanine ≡Cytosine

Explanation:

that lines in between the base shows how many bonds are present between Two bases

like,in Guanine and Cytosine 3 bonds are present I.e, triple bond

4 0
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When applied to a drug, the word ergogenic means "energy-producing."?
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5 0
3 years ago
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