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stellarik [79]
3 years ago
6

In a eukaryotic cell, in which structure are proteins made?

Chemistry
2 answers:
bagirrra123 [75]3 years ago
8 0

Answer:

Ribosome

Explanation:

Ribosomes are the protein builders of a cell. Most of them are free in the cytosol, but some are bound to the endoplasmic reticulum.

A. Nucleus is <em>wrong</em>. The nucleus stores the cell’s DNA and coordinates its activities.

B. Mitochondrion is <em>wrong</em>. The mitochondria provide energy to the organism through cellular respiration.

D. Lysosome is <em>wrong</em>. Lysosomes are involved in the digestion and removal of wastes from the cell.


Fed [463]3 years ago
6 0
I think that nucleus
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Alika [10]

Answer:

A DNA molecule

Explanation:

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What is the percent composition of nitrogen in a 2.57 g sample of Al(NO3)3?
Lisa [10]

Answer:

19.8% of Nitrogen

Explanation:

In the Al(NO₃)₃ there are:

1 atom of Al

3 atoms of N

And 9 atoms of O

The molar mass of Al(NO₃)₃ is:

1 Al * (26.98g/mol) = 26.98g/mol

3 N * (14g/mol) = 42g/mol

9 O * (16g/mol) = 144g/mol

26.98 + 42 + 144 = 212.98g/mol

We can do a conversion using these molar masses to find the mass of nitrogen is the sample, that is:

2.57g * (42g/mol / 212.98g/mol) =

0.51g N

Percent composition of nitrogen is:

0.51g N / 2.57g * 100

= 19.8% of Nitrogen

6 0
2 years ago
How many moles of water are produced from 15 moles of oxygen?
Grace [21]

Answer:

30 moles

Explanation:

Water is H2O, meaning there is 2 Hydrogen atoms and 1 Oxygen atom. Oxygen is O2, because it is a diatomic molecule. (Hydrogen is also a diatomic molecule, so H2)

The equation, balanced, would have to be: 2H2 + O2 -----> 2H2O

I multiply 15 moles O2 by the molar ratio of (hydrogen/oxygen)

15 mol. O2 *  (2 mol. H2/1 mol O2) = 30 moles of water

8 0
3 years ago
Can wind energy be used in transportation
castortr0y [4]
Yes because the wind energy can power a gas pump, then the gas would go into some form of automobile
5 0
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All of the substances on the periodic table are classified as elements except
zzz [600]

Answer: all elements in the periodic table is classified as elements

Explanation:

The structure of the table shows periodic trends. The seven rows of the table, called periods, generally have metals on the left and nonmetals on the right. The columns, called groups, contain elements with similar chemical behaviours. Six groups have accepted names as well as assigned numbers: for example, group 17 elements are the halogens; and group 18 are the noble gases

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