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VMariaS [17]
4 years ago
6

What are the three layers of the eye

Biology
2 answers:
sineoko [7]4 years ago
7 0
The three layers of an eye is the fibrous tunic, the vascular tunic, and the nervous tunic.
viktelen [127]4 years ago
3 0
Outer layer: fibrous layer (sclera) Middle layer: vascular/muscular layer (choroid) Inner layer: sensorineural layer (retina)
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Herbicides are chemicals that kill plants by interrupting important biological processes. Different herbicides affect different
nika2105 [10]

Answer:

oxygen because that's one of the substance that plants produce.

You can also do this by the process of elimination. Knowing that atrazine impedes the production of substances in plants, we know that it can't be DNA and Phospholipid. Carbon Dioxide is used by plant, not produced; thus, oxygen is the answer.

7 0
3 years ago
Theodor W. Engelmann illuminated a filament of algae with light that passed through a prism, thus exposing different segments of
WARRIOR [948]

Answer:

The correct answer is C and Engelmann conducted this experiment to prove relationship between algae and the rate of photosynthesis.

Explanation: First we must talk about 3 facts:

1) Prism scatters the white light into different wavelengths.

2) Photosynthesis, 6 carbon dioxide and 6 water molecules are consumed and 6 oxygen and 1 sugar molecule is synthesized using light energy.

6CO2 + 6H2O → C6H12O6 + 6O2

3) Aerobic bacteria breaks down sugar while using oxygen and produces water and carbon dioxide in simplified terms.

So with this experimental setup a researcher can understand the rate of the photosynthesis by increased accumulation of aerobic bacteria near algae  in certain wavelengths since they uses oxygen and tend to move close to the oxygen source (<u>see figure</u>). In this experiment there are no ways to measure heat (B), there is no known relation between wavelength of light and aerobic respiration since it can happen even in the dark (A) and finally there are no ways to measure carbon dioxide (D).

5 0
3 years ago
In adults, ________ marrow fills the central canal of long bones, and ________ marrow is found in the epiphyses of long bones
Lisa [10]
<span>Yellow marrow fills the canals of long bones, and red marrow is found in the rounded ends of long bones (for example, the femur). Red marrow is made up of components of blood (red & white blood cells, platelets), while yellow marrow is primarily composed of fat cells.</span>
8 0
3 years ago
Site-specific recombination systems _________. Multiple Choice do not depend on extensive nucleotide sequence homology depend on
professor190 [17]

Site-specific recombination systems all of the choices are correct i.e.

A. do not depend on extensive nucleotide sequence homology.

B. depend on enzymes that are often specific for sequences within the host.

C. are features of some viruses.

  • An exchange between two specified sequences (target sites), either on the same DNA molecule or on two separate DNA molecules, is known as site-specific recombination.
  • DNA sequences may be integrated, excised, or inverted as a result of the exchange.
  • A site-specific recombinase that can work by itself or with the aid of additional components or enzymes shapes the DNA target during recombination.
  • The recombinase is chemically bonded to the ends of the intermediate DNA after DNA breakage at the recombination site; when this process is reversed, the intermediate DNA is resealed to form the recombinant and the recombinase is released.
  • During this recombination process, neither replication nor repair are necessary.

learn more about Site-specific recombination here: brainly.com/question/11458760

#SPJ4

7 0
2 years ago
HELPPPPP<br> how could changing one mRNA codon change a protein?
Alex_Xolod [135]

Answer:

the outcome of a frame shift mutation is complete alteration of the amino acid sequence of a protein. This alteration occurs during translation because ribosomes read the mRNA strand in terms of condons,or groups of three nucleotides. theses groups are called the reading frame.

Explanation:

hope that helps.:)

5 0
3 years ago
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