Endocrine system - Hormones, steroid and nonsteroid

170 Responses | Created by Voidable

| Send a Send a Gift Voidable

to Voidable | Skip to Results

The difference between hormones – steroid and nonsteroid?

1

Steroid hormones are:
- Synthesized primarily from amino acids.
- Lipid-soluble and able to easily pass through the phospholipid plasma membrane of target cells.
- delivers first chemical message to fixed receptors in target cells of plasma membrane.
2

The following is a nonsteroid hormone:
- Cortisol
- Aldosterone
- Estrogen
- Peptide
- Testosterone
3

The following is not a nonsteroid hormone because it has not been synthesized by __________.
- Protein hormones: Long folded chains of amino acids
- Glycoprotein hormones: Protein hormones with CHO groups attached to amino acid chain
- Peptides: Smaller with short amino acid chains compared to protein hormones
- Amino acid derivatives: Each derived from a single amino acid molecule
- Cortisol: a corticosteroid hormone or glucocorticoid produced by the adrenal cortex
4

Steroid hormones:
- Are lipid soluble
- Pass into nucleus where it binds to a mobile receptor molecule to form a hormone-receptor complex
- Steroids regulate cells by regulating production of certain critical proteins
- The amount of steroid present determines magnitude of target cell’s response, responses take time thus a slow process (from 45 minutes to several days)
- All of the above
- None of the above
5

Nonsteroid hormone mechanism:
- delivers first chemical message to fixed receptors in target cells of plasma membrane
- are lipid-soluble and can easily pass through the phospholipid plasma membrane of target cells
- have all their cells working according to the second messenger model
- All of the above
- None of the above
6

Not all nonsteroidal hormones work according to the second messenger model.
- Thyroxine (T4) and triiodothyronine (T3) enter target cells and bind directly with DNA within nucleus of target cell.
- False, all hormones work according to the second messenger model.
- False, all nonsteroidal hormones work according to the second messenger model.
7

Control of hormonal secretion is usually part of a negative feedback loop known as:
- Nuclear receptor mechanism
- Endocrine reflexes
- Second messenger mechanism
- Nonsteroid hormone mechanism

Post This Quiz

Paste this code into your page:

Rating

1 vote

Take this first to vote!

Remove from Favorites Add to Favorites

Endocrine system - Hormones, steroid and nonsteroid

Steroid hormones are:

The following is a nonsteroid hormone:

The following is not a nonsteroid hormone because it has not been synthesized by __________.

Steroid hormones:

Nonsteroid hormone mechanism:

Not all nonsteroidal hormones work according to the second messenger model.

Control of hormonal secretion is usually part of a negative feedback loop known as:

Post This Quiz

Rating

Tags

Popular Topics

Quizzes for My Page

Featured Quizzes