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4 years ago

What is Endoplasmic reticulum

1 answer:

6 0

The dictionary definition of endoplasmic reticulum is :a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.

You might be interested in

With the exception of discovering new microbes, does it make sense to believe that the current taxonomic organization of microbe

Tasya [4]

Answer:

Recent advancement in genetic engineering is unraveling genetic sequences to provide in-depth understanding of the study of interrelationship among different organisms. Most of this research studies are still in early stages, therefore the current taxonomic organization will still change.

Furthermore; new techniques are being developed every day for understanding and analysis of these interrelationships among different organism, thus the dynamism of this classification is certain.

7 0

3 years ago

What is the converse of the statement? If a point lies in Quadrant III, then its coordinates are both negative.

Rufina [12.5K]

If a point doesn't lie in quadrant lll then both its coordinates are not negative.

3 0

3 years ago

Each of the following phrases describes the structure, function, or regulation of either the hypothalamus, posterior pituitary,

juin [17]

Answer:

1) Hypothalmus: .D) Synthesizes some hormones that are released into blood vessels bound for another gland - G) Synthesizes oxytocin and ADH - H) Integrates nervous and endocrine systems.

2) Posterior Pituitary Gland: A) Releases oxytocin - F) Is an extension of the Hypothalmus

3) Anterior Pituitary Gland: B) Synthesizes and releases PRL - C) Synthesizes and releases TSH - E) Regulated by hormones released into portal blood vessels

Explanation:

The hypothalamus is the source of at least nine hormones that act stimulating on inhibiting other hormones secretion.

The first hypothalamic hormone discovered is the thyrotropin-releasing hormone, TRH, that stimulates the thyrotropin release by the hypophysis. Another important hormone is the gonadotrophin-releasing hormone, GnRH, that controls the release of gonadotrophic hormones, such as LH and FSH. The somatostatin hormone inhibits the release of somatotrophin hormone from the hypophysis. The oxytocin and the antidiuretic hormone are also secreted and released by the hypothalamus and collected by the posterior hypophysis from where they are then released again to the system.

The hypothalamus secretes hormones directly into capillaries forward to the anterior hypophysis. Oxytocin and antidiuretic hormone, instead, go to the posterior hypophysis through nerve fibers.

The hypophysis gland, also known as the pituitary gland, is located under the hypothalamus which controls the hypophysis. It is considered to be the master gland as it acts as a source of hormones that stimulates different organs. The hypophysis is conformed of three lobules: anterior, intermediate, and posterior.

The anterior lobule releases somatotrophin, prolactin, trophic hormones such as thyrotropin or TSH, ACTH, and gonadotrophins such as FSH and LH.

The posterior lobule collects and release the hormones secreted by the hypothalamus, such as oxytocin and ADH.

The hypophysis and the hypothalamus are both controlled by other parts of the nervous system.

4 0

3 years ago

Where is most DNA located in a eukaryotic cell?

lesya [120]

Answer:

I believe it is in the nucleus.

Explanation:

"The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA."

3 0

3 years ago

Read 2 more answers

Giacomo, Brian, and Barbara have each consumed two margaritas during the last two hours. If Giacomo weighs 176 pounds and both B

sergey [27]

Answer:

The correct answer is - Barbara.

Explanation:

BAC or basic alcohol concentration is vary in male to female as females are smaller than men so the total blood is less than the men even the weight is same in both.

This the cause that affects the females to get impaired more than the males and easily get intoxicated even though the weight and amount of the alcohol is similar.

Thus, the correct answer is - Barbara.

6 0

3 years ago