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Ivan
3 years ago
5

The student is examining a tissue sample with a microscope. The student decides that it is squamous keratinized tissue. Which ty

pe of epithelial tissue is the student viewing?A) Stratified epithelium.B) Glandular.C) Neuroepithelium.D) Simple epithelium.
Biology
1 answer:
DIA [1.3K]3 years ago
6 0

Answer:

The correct option is A) Stratified epithelium.

Explanation:

Stratified epithelium is characterized by being formed by more than one layer of epithelial cells. According to the morphology of the cells of the outermost layer, they are classified as keratinized stratified flat epithelium when it has several layers and the outermost are flattened cells and with keratin. The most prominent location of this epithelium is in the skin, forming the epidermis. Its function is to protect and cover surfaces that are in direct contact with the outside or with irritating or traumatic substances.

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Answer:

This is an incomplete question without the options.

Here are the options to pick from

DY

PLAY

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Within a six-base DNA recognition sequence, an enzyme that cuts between the 3rd and 4th bases from the 5' end will generate blunt ends.

a)True

b)False

a) True

What is the function of restriction endonucleases in bacteria?

a) They serve no function.

b)They allow bacteria to genetically recombine with other bacteria.

c) They allow bacteria to engineer new DNA fragments.

d)They provide a defense mechanism against infection by viruses.

Our answer is surely D

d)They provide a defense mechanism against infection by viruses.

Explanation:

Restriction enzyme/restriction endonuclease:

Are produced by bacteria for cleaveing DNA at specific sites. Restriction enzymes cleave foreign DNA in the bacterial cell to fight against infecting organisms.

Pls Note:

Restriction enzyme are used by

bacteria to defend against bacterial viruses called bacteriophages or phages

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