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soldi70 [24.7K]
3 years ago
12

Can humans ever directly see a photon?​

Biology
1 answer:
NNADVOKAT [17]3 years ago
4 0

Answer:

Yes humans can directly see a photon.

Explanation:

In fact, photons are the only things that humans can directly see. A photon is a bit of light. Human eyes are specifically designed to detect light.

This happens when a photon enters the eye and is absorbed by one of the rod or cone cells that cover the retina on the inner back surface of the eye.

For Example

  • When you look at a chair, you are not actually seeing a chair.
  • You are seeing a bunch of photons that have reflected off of the chair. 

Thus, Yes humans can directly see a photon.

<u>-TheUnknownScientist</u>

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Place the steps for the formation of the enzyme pepsinogen in the correct order.
Volgvan

The steps for the formation of the enzyme pepsinogen in the correct order is as 1, 4, 2, 3.

Pepsinogen is a chemical that is created by the cells that exist in the stomach. During digestion, pepsinogen is converted into pepsin by the acid in the stomach, and pepsin is responsible for breaking down the proteins in food. The formation steps are as;

Step 1: The DNA strands unwind, and  RNA polymerase binds to the template strand.

Step 2: The synthesis of mRNA begins. The amino acids assemble to form peptide.

Step 3: The mRNA undergoes intron splicing and exits the nucleus.

Step 4: The tRNA moves through mRNA with the activated amino acids attached to it.

The complete question is attached.

You can also learn about Pepsinogen from the following question:

brainly.com/question/29462356

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5 0
1 year ago
Levels of activity in the _____ tend to be _____ in the brains of people with schizophrenia than in other people.
GaryK [48]

Levels of activity in the frontal lobe tend to be lower in the brains of people with schizophrenia than in other people.

Frontal lobe is the part of brain located in the anterior portion of brain. It is responsible for cognitive works like memory retention, problem solving, impulse control, emotions, etc. It is the largest of the four lobes of the brain.

Schizophrenia is a disorder of the brain. People with this disorder often misinterpret the reality. The common symptoms of the disease include delusions, hallucinations, disorganized speech and trouble with thinking. The disorder is considered to be caused by the mixed effect of genetics, environment, and alterations in the brain.

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6 0
2 years ago
Science is best described as a
Alinara [238K]
The answer is d which is set of facts because science is facts
3 0
3 years ago
What organs are being affected from dwarfism???? And how????
Alexandra [31]

Pituitary dwarfism is caused by problems arising from the pituitary gland. The pituitary gland, also called the hypophysis, is a gland at the base of the brain that produces many different hormones. This gland is divided into the anterior (front) and posterior (back) halves. The anterior pituitary produces six hormones: growth hormone, adrenocorticotropin (corticotropin), thyroid stimulating hormone (thyrotropin), prolactin, follicle stimulating hormone, and lutenizing hormone. The posterior pituitary gland only produces two hormones: antidiuretic hormone (vasopressin) and oxytocin.

The growth process begins in the lower part of the forebrain in a small organ called the hypothalamus. The hypothalamus releases hormones that regulate the production of other hormones. When the hypothalamus releases growth hormone-releasing hormone (GHRH), the anterior pituitary is stimulated to release growth hormone (GH). Growth hormone then acts on the liver and other tissues and stimulates them to secrete insulin-like growth factor-1 (IGF-1). IGF-1 directly promotes the development of bone and muscle, causing bones to grow in length, and muscles to increase protein synthesis (make more protein).

Since growth is a complex phenomenon, it may be slowed down or stopped by abnormalities arising at any point in the process. Thus, dwarfism can result if there is a deficiency in any of these hormones, if there is a failure in the receptor cells receiving the hormonal stimuli, or if the target cells are unable to respond.

At its most basic, pituitary dwarfism results from decreased production of hormones by the anterior pituitary. When none of the hormones of the anterior pituitary are adequately produced, this is called panhypopituitarism. A common form of pituitary dwarfism is due to deficiencies in the production of growth hormone (GH). When less GH than normal is produced during childhood, an individual's arms, legs, and other structures continue to develop in normal proportions, but at a decreased rate.

<span>

hopre i helped</span>
7 0
3 years ago
Under directional selection, the rate of evolutionary change in gene
laila [671]

Answer: True

Explanation:

When an allele that is dominate and favoured in an individual carrying are heterozygous and the large fitness difference between heterozygous and the homozygotes not in use results to a rapid change in the frequencies of the allele.

4 0
3 years ago
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