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UkoKoshka [18]
2 years ago
11

A true-breeding long-eared owl mates with a true-breeding short-eared owl and all their many, many offspring were also short-ear

ed. Ear length in owls is controlled by a single gene, E. What can you conclude about the parents’ genotypes? Choose all correct answers. The short-eared parent’s genotype must be ee. The short-eared parent’s genotype must be EE. The short-eared parent’s genotype must be Ee. The long-eared parent’s genotype must be Ee. The long-eared parent’s genotype must be ee. The long-eared parent’s genotype must be EE.
Biology
1 answer:
aleksandrvk [35]2 years ago
3 0

Answer:

It will be option d

Explanation:

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Why was the discovery of pencilin important ?<br>​
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Answer:

why was the discovery of pencillin important?

Penicillin discovery came as a result of the plague that rages St Mary's hospital in 1928, the discovery by a man called Alexandra Fleming which drastically reduce the death rate. Penicillin is an antibiotics that is gotten from mould and it has different strains/species

Explanation:

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3 years ago
"Human glucocebrosidase, for treatment of Gaucher's disease, has been successfully produced using carrot cells. What is a major
arlik [135]

Answer:

Human glucocebrosidase is used as a therapeutic drug which is used to treat Gaucher's disease.

The farming of this substances in crops is very helpful for the population. The genetic engineering to insert genes in plants would result in GMOs.

It is more beneficial to use plants for this process as compared to that of animals because it is easily available and easily extracted.

It is more economical and easily accessible by people. It would not harm animals by incorporating the gene in them in laboratory conditions.  

8 0
3 years ago
Spiders use their silk to build strong webs, to trap bugs, to save themselves from falling, to wrap their eggs safely, and even
11Alexandr11 [23.1K]

Answer:

The missing word is things.

However, the real question is how one material can serve so many purposes? That is what makes it possible for the spiders web to have a high "utility" value?

The answer is in how the spiders make the silk.

Explanation:

So it interesting to note that spiders do not make only one kind of silk. They vary depending on what purpose it's doing serve.

The most common type is Dragline Silk.

Dragline Silk: This contains spidroins. Spidroins fall under a category of a protein called scleroproteins. Because of its composition, a strand or fiber of Dragline has the same tensile strength as steel albeit more flexible. That is if one produced steel the diameter of a spider's silk, and compared both for strength, the silk will be stronger.

The spider produces Dragline silk in its silk glands where they are as viscous as a paste. From here is pulled out or extruded into lines of silk.

Other types of spider silk are:  

  1. Capture-spiral silk. Also known as the Flagelliform, they are used for securing lines of the web. They are adhesive, very elastic, and possess high tensile strength.  
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  3. Aciniform silk: For preserving fresh prey.  
  4. Minor-ampullate silk: This type is used by spiders for creating temporary support while they are spinning a web. Etc.

Cheers

7 0
2 years ago
CELL STRUCTURE CROSSWORD <br> GRADE 7 BIOLOGY
Snezhnost [94]

Answer:

clearer pic ?

Explanation:

4 0
2 years ago
When a cell was examined under a microscope, it was found that it did not have a cell wall . Which of these is likely to be miss
shtirl [24]

Answer:

When a cell was examined under a microscope, it was found that it did not have a cell wall . It has a cell membrane which shows the viewed cell under microscope is an animal cell

Explanation:

Only plant cell has cell wall which gives rigidity and shape to the cell unlike animal cell which has a cell membrane. The cell would comprise of chloroplast, nucleus, golgi apparatus, mitochondria among others

4 0
2 years ago
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