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Ahat [919]
3 years ago
6

Who discover the first cell

Biology
2 answers:
Irina18 [472]3 years ago
5 0

Answer:

scientist Robert Hooke

Explanation:

Interested in learning more about the microscopic world, scientist Robert Hooke improved the design of the existing compound microscope in 1665. His microscope used three lenses and a stage light, which illuminated and enlarged the specimens.

alexandr1967 [171]3 years ago
3 0

Answer:

scientists Robert Hooke

Hope this correct

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Answer:

the difference is that unsaponifiable lipids do not contain fatty acids at least not as a component of the fundamental structure whereas saponifiable lipids do have fatty acids.

Explanation:

As a further explanation unsaponifiable lipids are lipids that do not contain fatty acids as components of the fundamental structure. On the other hand, complex also known as saponifiable lipids do contain fatty acids, and those fatty acids can be released in a process called saponification which is caused by alkaline hydrolysis.

4 0
2 years ago
The enzyme joins
levacccp [35]

the enzymes joins to synthesize anew DNA

Explanation:

because each new DNA molecules is made of one good original new strand

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Which of the following places the steps in the PCR procedure in the correct order?
Marta_Voda [28]

Answer:

Polymerase chain reaction (PCR) test is used to duplicate traces of DNA from any living form, for identification purposes.  The correct sequence is 1, 3, 2; based on the options given.

Explanation:

The steps to be followed for the PCR procedure are:

<em>Denaturation</em>

Option 1.  Involves incubation at 94°C to denature DNA strands into single strands by breaking of weak hydrogen links

<em>Annealing</em>

Option 3.  Temperature is lowered to 60°C to allow primers joining their similar DNA sequences.

<em>Elongation</em>

Option 2.  Incubate at 72°C to promote the extension of the DNA strands, actually extending them.

5 0
3 years ago
________ characterizes the functional role of atp in cellular metabolism
Stella [2.4K]

Answer:

The free energy released by ATP hydrolysis that may be coupled to an endergonic process via the formation of a phosphorylated intermediate.

<em>Hope this helps</em>

<em>-Amelia The Unknown</em>

5 0
3 years ago
The cell theory was continuously improved over the course of many years. Which scientific advancement directly led to this impro
Whitepunk [10]
<span>When the microscope was invented, it helped the cell theory. This invention allowed scientists to see that everything was made up of cells and see what cells do. They needed this invention in order to see that cells existed and study them more in depth.</span>
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