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MaRussiya [10]
3 years ago
5

All's life is based on the chemical element

Biology
2 answers:
Airida [17]3 years ago
5 0
All life is based on the chemical element cabon. It is essential to life.
Irina-Kira [14]3 years ago
4 0
Carbon is the basis of all life. All of the basic structures that support life, such as proteins, lipids, and carbohydrates all have carbon bonds. It has 4 valence electrons, meaning it wants to bond a lot with other compounds. This makes it a great chemical to support life.
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Organisms can adapt
Simora [160]

Selective breeding is something only ascended organisms can adapt to. Us humans use selective breeding. Animals without complex language, artistic capabilities, etc, are unable to adapt to C.

D is your answer.

4 0
3 years ago
After DNA fragments with matching sticky ends are temporarily joined by complementary base pairing, the union can be made perman
STatiana [176]

Answer:

The correct option is b. DNA ligase

Explanation:

DNA ligase is an enzyme that joins DNA fragments. If two DNA fragments or molecules have complementary ends, the ligase can join them together to form a single and intact DNA molecule, without interruptions. This is because the ligase enzyme seals the space between the molecules to form a single DNA fragment.  

The others enzymes have different functions:

DNA helicase is characterized by separating DNA from double strands into single strands and acts in DNA replication.

ATP methylase plays an important role in DNA replication when determining the beginning of replication that has already been replicated or not.

DNA polymerase is an enzyme that is responsible for catalyzing the polymerization of the new strand of DNA during the replication of this molecule.

3 0
2 years ago
Some bacteria live in the roots of plants like soybeans and peas. What is the role of these bacteria in the nitrogen cycle.
love history [14]

Answer:The nitrogen present in the soil is not directly used by the bacteria. It can be used only when the nitrogen is converted into usable form. These bacteria convert  atmospheric nitrogen into ammonia, then nitrite which is then converted into nitrate. This nitrate is used by the roots of the plants like soybeans and peas. This is the role of bacteria present in the roots of the plant to convert atmospheric nitrogen into usable form that can be used by plants.

Explanation:

3 0
3 years ago
Read 2 more answers
Cell division and differentiation first begins during the ________ stage of prenatal development. psych
agasfer [191]

Cell division and differentiation first begins during the germinal stage of prenatal development.

<u>Explanation:</u>

The development of the zygote into a full developed fetus occurs in three most prominent stages they are the germinal stage that occurs from the conception to the second week.

The embryonic stage that is from second week to the eighth week and the fetal stage that is from the eighth week till the birth of the baby. Each stage has its characteristic development that has to be completed.

8 0
3 years ago
Which characteristics is common to all three groups of reptiles?
Flura [38]

They are ectotherms.

hope it is helpful to you

7 0
3 years ago
Read 2 more answers
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