Main function of connective tissue

1 answer:

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Blood, a fluid connective tissue, provides a transport system within our body for oxygen and other important substances. Cartilage provides strong support and connection for our skeletal framework. And the function of bones is to support and protect soft tissues and organs in our body.

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Suppose a male organism has a diploid chromosome number of 6. These chromosomes could be represented as A,a, B, b, C, and c wher

KatRina [158]

Answer:

A. The haploid set of n is ABC

B. ABC, ABc, AbC, aBC, abc, abC, aBc, Abc.

Explanation:

A diploid cell is a cell that comprises of two complete sets of chromosomes. This is double the haploid chromosome number. Each pair of chromosomes in a diploid cell is noted to be a homologous chromosome set. A homologous chromosome pair consists of one chromosome donated from one parent and one from the other parent. This number is represented as 2n. It varies in different organisms. A diploid cell replicates via mitosis. It preserves its diploid chromosome number by making an identical copy of its chromosomes and distributing its DNA in an equal manner between two daughter cells.

Haploid refers to a cell that contains a single set of chromosomes. Gametes are made up of half the chromosomes contained in normal diploid cells of the body, these are also known as somatic cells. Haploid gametes are produced during meiosis. Meiosis is a type of cell division that reduces the number of chromosomes in a parent diploid cell by half.

Therefore,

Karyotype of this organism is designated as AaBbCc.

AaBbCc is the diploid set (2n).

Hence ABC or abc are the haploid set (n).

B. The eight different combinations of these chromosomes that could possibly be produced by spermatogenesis in this male are:

ABC, ABc, AbC, aBC, abc, abC, aBc, Abc.

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3 years ago

The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining. Which of t

bekas [8.4K]

Answer:

plicae circulares and intestinal villi

Explanation:

The inner wall of the intestine is full of wrinkles, called villi. An enlargement of them under the microscope reveals that they are formed by cells whose surface has innumerable small "wrinkled" structures. The small intestine is the largest viscera of the body (about six meters). Intestinal villi and microvilli increase the area of contact with the intestine as well as the speed of absorption of food. Blood capillaries and lymph are in these villi to absorb nutrients.

The intestinal villi, have the function of increasing the absorption of nutrients after digestion. They are the folds of the intestines. The surface of the villi has an area of 12 cm² and the microvilli 240 cm².

Villi and microvilli increase the area of intestinal absorption by approximately 30 times and 600 times, respectively, providing exceptionally efficient absorption of nutrients in the lumen.

The entire small intestine has circular folds of mucosa, also called Kerckring valves and circular plicae. Most extend transversely around the small intestine cylinder for about half or two-thirds of its circumference, but some form complete circles, and some have a spiraling direction; The latter usually extend a little more than once around the bowel, but occasionally two or three times. Circular folds slow the passage of partially digested food along the intestines and provide an increased surface for absorption.

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3 years ago

During an El Nino, warm water piles off of South America and cold water can't upwell. As a result, the _____________ can't rise

sergij07 [2.7K]

The correct answer is - nutrients.

The cold water is very rich in nutrients, and those nutrients are crucial for the survival of the small organisms as they are their primary food source. When El Nino occurs though, the water is becoming warmer and stops the up-welling of the cold water, which also means that the nutrients remain deep with it. As a result, the small organisms are left without their primary food sources, thus they struggle to survive, and even die out in the region on a large scale.

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On steep slopes and mountains, ____ helps reduce erosion by creating level areas for crops.

Elenna [48]

i belive it is terracing

hope I helped

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In 1941, ______ was the first used successfully to treat an infection caused by a bacterium.

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Albert Alexander was the first patient to be successfully treated on an infection caused by bacteria. He accidentally scratched a thorn of a rose on his face which badly infected him. One of his eyes had also been removed. He was given an infusion<span> of 160 mg of penicillin on February 12, 1941, and within 24 hours, his wounds begun to heal. He, however, died on March 1941. </span>

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