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rjkz [21]
3 years ago
5

Homeostatic regulation usually involves a(n) ________ that detects a particular stimulus, and a(n) ________ that responds to the

stimulus by communicating with a(n) ________ whose activity has an effect on the same stimulus.
a) control center; effector; receptor.
b) receiver; communication; effector.
c) receptor; control center; effector.
d) effector; receiver; control center.
Biology
1 answer:
geniusboy [140]3 years ago
8 0

Answer:

c) receptor; control center; effector.

Explanation:

Homeostasis maintains the internal body conditions almost constant. It includes specific cells that sense any deviations of internal or external conditions from the normal range. These cells are called receptors. The sensory information from the receptors is delivered to the control center. The central nervous system mainly serves as a control system wherein sensory information from the receptors is processed. The control center commands muscles and/or glands to perform desired responses to restore the homeostasis. Here, muscles and glands serve as effectors.

For example, thermoreceptors sense the rise of body temperature and the brain (control center) commands sweat glands (effectors) to produce sweat.

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Energy Storage in Humans Free glucose in blood has 4 kilocalories per gram, 40 kilocalories of energy storage, and a few minutes
Fantom [35]

Answer:

Fat molecules contain more energy-containing bonds than simple sugars.

Explanation:

Lipids are a large group of mostly non-polar hydrophobic hydrocarbons. They include fats and oils, waxes, phospholipids and steroids. They serve many functions in living organisms such as energy storage molecules, information molecules, insulation against cold in some animals etc.

From the information provided above, lipids have 9 kilocalories per gram, 100,000 kilocalories of energy storage, and 30 to 40 days of life support time. When energy provided per gram by lipids is compared with that of either glucose or glycogen, lipids provide more than twice the energy of that of glucose or glycogen. Similarly, the energy storage capacity of lipids over 1000 times that of glucose and 50 times that of glycogen. Therefore, fat molecules (an example of lipids) contain more energy-containing bonds than simple sugars (e.g. glucose)

3 0
3 years ago
Read 2 more answers
What is Islets of Langerhans?<br>:')​
Lyrx [107]

The islets of Langerhans are microorgans located in the pancreas.

<h3>The islets of Langerhans </h3>

The islets are formed by polygonal or rounded cells, arranged in cords, around which there is an abundant network of blood capillaries with fenestrated endothelial cells.

<h3>Types of islets of Langerhans</h3>
  1. Alpha (A) cells: secrete glucagon. In humans, these cells have regular-shaped granules containing a dense center surrounded by a clear region under the membrane.
  2. Beta (B) cells: secrete insulin and amylin. B cells have irregular granules with a center formed of irregular crystals of insulin complexed with zinc.
  3. Delta cells (D): synthesize somatostatin.
  4. PP (F) cells: contain a pancreatic polypeptide.

With this information, we can conclude that the islets of Langerhans are microorgans that constitute a large production of products for the maintenance of life.

Learn more about Islets of Langerhans  in brainly.com/question/4609464

6 0
3 years ago
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the long-distance runner is running at a constant speed of 5 m/s. how long does it take the runner to travel 1 km?​
Neko [114]
200 seconds, or 3 minutes and 20 seconds.

1 km= 1000 meters

1000 meters divided by 5 meters every second, means that it’ll take 200 seconds to go that distance.
4 0
3 years ago
Which statements about omnivores are true?
Bess [88]
The answer is B.) Omnivores eat plants.
7 0
3 years ago
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A certain type of flower has two alleles for color (blue, purple), and two alleles for stem height (tall, short). A tall blue fl
larisa86 [58]

Answer:

Mendel's law of independent assortment

Explanation:

Gregor Mendel is a really important figure in genetics, his work on pea plants provided us with many of the fundamentals of genetics that we still have today!

Mendel proposed 3 laws:

1. The law of dominance - this law states that where there are two different alleles (heterozygous) the organism will always express the dominant trait over the recessive trait

2. The law of segregation - this law states that offspring will inherit one allele from each parent, because allele pairs separate in the process of meiosis, such that each gamete contains 1 allele of each trait. When the zygote is formed, it contains an allele from each parent.

3. The law of independent assortment - this law states that traits are independent from one another at the time of gamete formation. The genes are segregated separately from one another, as the presence of one does not impact the presence of another.

This example shows that all combinations of the height and color allele are possible, and therefore nicely demonstrates the law of independent assortment

6 0
3 years ago
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