1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
geniusboy [140]
3 years ago
7

Light alerts the biological clock to slow down the secretion of which hormone that promotes sleep

Biology
1 answer:
Kaylis [27]3 years ago
5 0
Light alerts the biological clock to slow down the secretion of melatonin hormone that promotes sleep. Melatonin hormone is a hormone that is produced by the pineal gland in animals and regulates sleep and wakefulness. . The hormone is used to regulate night and day cycles or sleep-wake cycles, darkness causes the body to produce more melatonin, which signals the body to prepare for sleep. Light decreases melatonin production and signals the body to prepare being awake. 
You might be interested in
A cross between two squash plants that produce yellow squash results in 124 offspring: 93 produce yellow squash and 31 produce g
iVinArrow [24]

Answer:

<h2>Both Yy</h2>

Explanation:

1. As  given here,

Total offspring are= 124;

that produce yellow squash= 93;

that  produce green squash= 31;

2. Let Y  for yellow producing squash and y for green squash;

Y is dominant over y.

3. Cross between two yellow squash producing plants

Genotype of parents = Yy and Yy

offspring = YY, Yy, Yy and yy,

as Y is dominant over y, so YY and Yy all produce yellow squash, and yy  produce green squash.

4. Their phenotypic ratio is 3:1 , as in question 93: 31

4 0
3 years ago
Read 2 more answers
Which molecule could he make that consists of long chains of red and black colored balls
Phoenix [80]

Answer:

He could make a macromolecule which is made up of carbon and hydrogen only.

Explanation:

An atom a fundamental piece of matter that constitutes a chemical element.

A molecule is a group of atoms bonded together. It represents the smallest fundamental unit of a chemical compound that can participate in a chemical reaction.

The red balls denote the hydrogen and black balls denote the carbon. He could make a macromolecule which is made up of carbon and hydrogen only.

7 0
3 years ago
Production of fluid that nourishes sperm is called what ?
geniusboy [140]

I believe it is seminal fluid.

Hope this helps :)

3 0
3 years ago
HELP ME!! Do you think we should build von Neumann Machines if we have the necessary capabilities? What instructions should we g
Tcecarenko [31]

Answer:

Explanation:

Control Unit retrieves data and instruction in the same manner from one memory. Design and development of the Control Unit is simplified, cheaper and faster. Data from input / output devices and from memory are retrieved in the same manner.

3 0
3 years ago
What portion of the cell membrane is responsible for preventing unwanted materials from entering the cell?
spayn [35]
Answer: = <span>The phospholipid bilayer</span>
7 0
3 years ago
Other questions:
  • How do y'all deal with stress?
    13·2 answers
  • Name the functional group that links two monosaccharides in a disaccharide
    12·1 answer
  • Sea otters are important predators of sea urchins, an animal that eats giant brown kelp in continental shelf zones where they fo
    6·2 answers
  • Please explain me what about osmosis!
    10·2 answers
  • A zebra cell is just about to replicate its DNA. What happens first?
    14·1 answer
  • How do the chromosomes separate in anaphase I?
    7·1 answer
  • Select the correct answer from each drop-down menu.
    15·1 answer
  • When the environment changes more quickly than a species can adapt the species may become?
    6·2 answers
  • Similarities between fungi and protists . WILL MARK U BRAINLIEST !! ( just need 2 )
    15·1 answer
  • A similarity between animal and plant mitosis?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!