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kvv77 [185]
3 years ago
5

How are brain skin and bone genetically related?

Biology
1 answer:
nadya68 [22]3 years ago
5 0

Explanation:

The brain, skin and bones are genetically related thru DNA.

Gene expression regulates differation of cells...

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The Gram stain technique is valuable in distinguishing Bacteria from viruses whether or not a bacterium has pili. The flagella o
erastova [34]

Answer:

False

Explanation:

Gram stain technique is a method use to classify bacteria into large groups base on their different cell wall components. It differentiate gram positive and gram negative by coloring them with red or Violet colors.

Gram stain is use for identification and classification of bacteria.

Gram positive stain violet due to presence of thick layers of peptidoglylcan in their cell walls and gram negative stain red due to thin layers of peptidoglylcan in their cell walls.

8 0
3 years ago
Whats the definition of dura matter
STatiana [176]

Answer:the tough outermost membrane enveloping the brain and spinal cord

Explanation:

8 0
3 years ago
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Which purpose did models serve in ancient egyptian and chinese tombs?
bearhunter [10]
The correct answer of the given question above would be option A. The purpose that the models served in ancient Egyptian and Chinese tomb is that, they were meant to make tombs more beautiful. These are wooden models which show ships, potters, servants and carpenters. Hope this answer helps.
6 0
3 years ago
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A neutron is combined in a nuclear reaction with a proton to make a heavy hydrogen nucleus. This nucleus then acquires _____ ele
sergeinik [125]

Answer:

This nucleus then acquires <u><em>one </em></u>electron to become electrically neutral.

Explanation:

Fusion :It is nuclear reaction which two or more than smaller nuclei combines together to form heavy nuclear.

A neutron combines with proton in order to make heavy electron that is fusion reaction is taking place.

^{1}\textrm{n}+^{1}_{1}\textrm{H}\rightarrow ^{2}_1\textrm{H}+

The overall charge in the nucleus will be +1.And in order to neutralize this positive charge the nucleus will acquire single electron to become electrically neutral.

3 0
3 years ago
How do scientists think protobionts formed?
PSYCHO15rus [73]

Answer:

c

Explanation:

The very primitive and early microorganisms on the earth's surface were protobionts. Protobionts are cell-like microscopic structures, and they are made up of organic and inorganic molecules present in a lipid bilayer membrane. The layers of the lipid membranes were folded into bilayers and transformed into a bubble shape when placed in water. These membranes were selectively permeable and also observed shrinkage and swelling in osmotic conditions. Protobionts also possess the characteristics of reproduction.

(please vote me brainliest)

4 0
2 years ago
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