Because the skin sloughs off on a regular basis, the most superficial layer of the epidermis is primarily composed stratified squamous epithelium. The correct option is D.
<h3>What is stratified squamous epithelium?</h3>
Stratified squamous epithelia can be found in nearly every organ system that has direct contact with the outside environment, including the skin, respiratory, digestive, excretory, and reproductive systems. They also keep the body from drying out and losing water.
The most surface-level layer of the epidermis is composed principally of stratified squamous epithelium since the skin sluffing off on a regular basis.
Thus, the correct option is D.
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Your question seems incomplete, the missing options are:
- A. Simple Columnar epithelium
- B. Simple squamous epithelium
- C. Cuboidal epithelium
- D. Stratified squamous epithelium
- E. Pseudostratified epithelium
This act tells reader that he isn’t afraid like all the other kids are and won’t judge him just by his looks
Answer:
allopolyploidy
Explanation:
Polyploidy is the condition by which a cell might have more than two chromosome sets that form homologous pairs. It might occur due to a failure or abnormality in cell division.
Autopolyploidy
Refer to a type of polyploidy in which an organism has more than two copies of homologous chromosomes. It results from the duplication of a group of chromosomes of the same species. Autopolyploid individuals have <u>at least three groups of homologous chromosomes</u>. Autopolyploidy is produced by the<u> gamete fusion of the same progenitor - same species</u>-, duplicating the number of chromosomes of diploid species. The autopolyploid cell has groups of homologous chromosomes. Autopolyploidy is produced mainly due to non-disjunction during meiosis.
Allopolyploidy
Refer to another type of polyploidy in which species have more than three sets of chromosomes in their cells. Allopolyploidy <u>occurs when two different species mate</u>, leading to the fusion of gametes that belong to different species and produce a new hybrid. The chromosomic complement has more than two copies of chromosomes. The hybrid is infertile with the parental species. The allopolyploid cells have chromosome groups that are not homologous.
In the exposed example two different species mate and produce a hybrid species.
The answer is restriction enzymes. These staggered ends are important in recombination of DNA since they allow DNA strands with complementary sticky ends to be easily joined into one piece by DNA ligase. Other restriction enzymes produce blunt ends. These are harder to join by DNA ligase. An example of a restriction ezyme if EcoRI
Asexual reproduction is not as widespreaded in animals as it is in plants.
