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3 years ago

Organisms with prokaryotic cells are separated into two.

Biology

1 answer:

wolverine [178]3 years ago

4 0

Prokaryotic organisms are separated into two domains or groups: Bacteria and Archaea.

<h3>What are prokaryotic organisms?</h3>

Prokaryotic organisms are those whose cells do not have a membrane that delimits the cell nucleus and, instead, present their genetic material dispersed in an area called the nucleoid.

<h3>Characteristics of prokaryotic organisms</h3>

Prokaryotic cells form unicellular living organisms, belonging to the Archaea and Bacteria domains, depending on the preferred biological classification.

The Bacteria domain groups the most primitive prokaryotic organisms of all, they are dedicated to various types of metabolic activity: photosynthesis, such as cyanobacteria (blue-green algae), the decomposition of organic matter, etc.

The Archaea domain groups the archaebacteria or archaea, prokaryotic organisms that exhibit certain similarities with eukaryotic life, exist in very specific and generally hostile habitats (leading an extremophile life).

Therefore, we can conclude that the two domains, bacteria and archaea, encompass the world of prokaryotic organisms, that is, those that lack a cell nucleus.

Learn more about prokaryotic organisms here: brainly.com/question/1056970

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Give the two ways nitrogen can be fixated so plants can use it to grow.

Maurinko [17]

$\huge\mathfrak\red {Answer:}$

<h2>Fixation</h2>

Nitrogen in its gaseous form (N2) can’t be used by most living things. It has to be converted or ‘fixed’ to a more usable form through a process called fixation. There are three ways nitrogen can be fixed to be useful for living things:

<h3>Biologically: </h3>

Nitrogen gas (N2) diffuses into the soil from the atmosphere, and species of bacteria convert this nitrogen to ammonium ions (NH4+), which can be used by plants. Legumes (such as clover and lupins) are often grown by farmers because they have nodules on their roots that contain nitrogen-fixing bacteria.

<h3>Through lightning: </h3>

Lightning converts atmospheric nitrogen into ammonia and nitrate (NO3) that enter soil with rainfall.

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4 0

3 years ago

In an analysis of the nucleotide composition of a double stranded DNA to see which

777dan777 [17]

Answer:

C) A + T = G + C

Explanation:Erwin Chargaff suggested the rule of the base pairing of DNA structure which is that purine binds pyrimidine or adenine binds thymine and guanine binds cytosine. The composition of adenine and thymine and guanine and cytosine equals 100 percent.

In the given question, since option C shows that A binds T and G binds C and their composition equals 100%, therefore, Option-C is the correct answer.

Thus, Option-C is the correct answer.

6 0

3 years ago

An idea that has been tested Widely, is supported by extensive evidence, and is accepted by most scientist in a particular f

aksik [14]

Answer:

D. Theory

Explanation:

4 0

3 years ago

Weather can change from day to day, but _____ does not

geniusboy [140]

"climate" does not.

Usually if we comparing "weather" condition with another word, the word would be "climate". Weather is the day to day atmospheric condition, but climate is the overall weather of an area throughout long period of time, such as a decade.

Using it in a sentence, we can see the difference. We would say "the weather today is nice", but we wouldn't say "the climate today is nice". "today" is a short period of time.

4 0

4 years ago

Homeostasis is controlled by: (give examples of each)

kramer

Answer:

Homeostasis is controlled by the nervous and endocrine system in mammals

Explanation:

Nervous system when you touch a hot pan the nervouse system sends a message to move or feel pain

Endocrine system releases hormones into the bloodstrram that helps our growth and development,helps our organs work metabolism,and reproduction

Hope this helps!

8 0

3 years ago