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Talja [164]
3 years ago
5

The table below describes two parts of a cell.

Biology
1 answer:
Lelechka [254]3 years ago
6 0
A) part a is cell wall part b is chloroplast
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A 30-year-old male demonstrated a subtle onset of the following symptoms: dull facial expression; droopy eyelids; puffiness of t
juin [17]

Answer:

1. Thyroid gland is the endocrine gland that is involved here.

2. TSH stimulation test did not show an increase in the output of thyroid hormones secreted from thyroid glands which makes it a primary disorder. The determination of TSH or TRH gives an idea about hypothyroidism if it is due to feedback inhibition of the pituitary or absence of TSH hormone from the pituitary, however, Circulating levels of TRH not necessary.

3.  The feedback loop involves the following:

TRH hormone secreted from the hypothalamus triggers the anterior pituitary to secret TSH that in turn triggers the relapsing of the T3 and T4 levels by the thyroid glands. If there is a low level of T3 and T4 hormones then negative feedback takes place and increases the TSH output.

4.  symptoms:

Not able to uptake the iodide into the cells of the thyroid gland

Defects in the conversion of iodide to iodine

tyrosine molecule iodization

secretion of the hormones from the Tg molecules

Less TSH receptors on the gland.

5.  The chronic TSH stimulation due to negative feedback may cause hypertrophy of the gland, results in goiter formation.

6. synthetic hormone therapy is known as Synthroid such asT4 (L-thyroxine).

7 0
3 years ago
A portion of the periodic table is shown below:
DanielleElmas [232]

Answer:

C. Phosphorus (P)

Explanation:

Given;

Electron configuration 1s^22s^22p^63s^23p^3

Firstly we have to find out the number of shell of given element. For this we have to add number of electron of each shell.

Here counting goes to 3 that means element have three shells. Now we find out number of electrons in each shell.

First shell of an element is K and it has only one sub shell that is 1s. In this element 1s contains only 2 electrons.

For 2nd shell that is L has two sub shell 2s and 2p, for this element 2s contains 2 electrons and 2p contains 6 electrons. That means total number of electrons for L shell is 8.

Now for 3rd  shell that is M has two sub shell 3s and 3p, for this element 3s contains 2 electrons and 3p contains 3 electrons. That means total number of electrons for M shell is 5.

Now total number of electrons for the element is the sum of number of electrons in each shell.

Total number of electrons = 2+8+5=15

And we know the number of electrons of any neutral element is equal to the number of protons and number of protons gives us atomic number of the element.

So the atomic number of given element is 15 that is of Phosphorus.

6 0
3 years ago
The endomembrane system contains all of the following structures except the
lora16 [44]
Endomembrane system include: the nuclear membrane, the endoplasmic reticulum, theGolgi apparatus, lysosomes, vesicles,endosomes and the cell membrane.
8 0
3 years ago
Read 2 more answers
During the eighteenth century, many scholars became interested in biological diversity, human origins, and our position within t
adoni [48]
<h2>Origin of species.</h2>

Explanation:

Creationism is the most commonly accepted explanation of the origin of species.

  • Creationism is a belief that biological similarities and differences are originated at creation.
  • It is a theory which states that nature and its various aspects such as earth, life universe and humans are all created by God.
  • Once the characteristics are set in the Creation it could not be changed.
5 0
4 years ago
Which characteristic best supports its formation from sedimentary processes?
Bess [88]
It has many layers .
4 0
4 years ago
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