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Viefleur [7K]
3 years ago
13

What does a cell need to be a prokaryote cell? please help me i’m stuck !!

Biology
1 answer:
dmitriy555 [2]3 years ago
7 0

Answer:

<h3>The Prokaryotic Cell</h3>

Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.

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During nitrification, _____.
Serga [27]
<span>During nitrification, ammonia is changed back into nitrate.</span>

Nitrification is a three-step process of oxidation of ammonia. It is an aerobic process performed by small groups of autotrophic bacteria (<span>Nitrosomonas, Nitrobacter</span>).
First step- ammonia to hydroxylamine,
Second step-hydroxylamine to nitrite,
Third step-nitrite to nitrate.
Nitrification together with ammonification is part of a nitrogen cycle.
3 0
3 years ago
Which of the following is composed of a 1:2:1 ratio of carbon to hydrogen
WARRIOR [948]

Answer:

carbohydrates

Explanation:

Organic molecules composed of carbon, hydrogen, and oxygen in a ratio of 2-hydrogen atoms to every 1 oxygen atom.

7 0
2 years ago
Calculate the volume of 1 M NaOH needed to prepare 12.0 mL of a 0.10-M solution. Prepare this solution. (Refer to the Dilutions
Lapatulllka [165]

Answer:

1.2 mL

Explanation:

<em>This is a problem of simple dilution. The dilution principle simply agrees that the number of moles before dilution must be equal to the number of moles after dilution.</em>

Recall that: number of moles = mass/molar mass or molarity x volume.

Hence, for the dilution principle:

              initial molarity x initial volume = final molarity x final volume.

In this case, initial molarity of NaOH = 1 M, initial volume = ?, final molarity = 0.1 M, final volume = 12.0 mL.

Initial volume = final molarity x final volume/initial molarity

                       = 0.1 x 12/1 = 1.2 mL

It thus means that 1.2 mL of 1 M NaOH would be taken and then diluted up to 12.0 mL mark by the addition of distilled water in order to produce 12.0 mL, 0.10 M NaOH solution.

8 0
3 years ago
Organic compounds always contain ____________________ atoms.
Naddik [55]

Answer: carbon and hydrogen

Explanation:

3 0
3 years ago
6. Who argued that because food production and population grow at different rates, it is only a matter of time before there are
AnnZ [28]

Answer:

(6)   C. Thomas Malthus

(7)    C. 1960s

(8)    B.  False

8 0
3 years ago
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