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
GuDViN [60]
3 years ago
11

Puberty is defined as __________. the production of hormones in the reproductive glands stimulated by the pituitary gland the st

age of identity versus role confusion the physical changes that occur in the body as sexual development is stimulated by hormonal changes. the time when a child becomes a teenager
Biology
1 answer:
Sphinxa [80]3 years ago
6 0
<h2>Puberty</h2>

Explanation:

  • Puberty is defined as  <u>the physical changes that occur in the body as sexual development is stimulated by hormonal changes.</u>

Puberty is the phase of a person's life during which several changes takes place in his body making him sexually mature. Development of secondary sexual characters is also seen in puberty.

In males the puberty occurs between the age of 13-16 years. It is characterized by onset of spermatogenesis. The hormone that initiates puberty in males is testosterone.Secondary sexual characters like growth of beard, chest hair, pubic hair etc. also become prominent

In females puberty occurs between the age of 10-14 years. It is characterized by onset of menstrual cycle. The hormone that initiates puberty in females is estrogen. The secondary sex characters like enlargment of breast, broadening of hip, menstruation etc. become prominent.

You might be interested in
since ph can affect the activity of the antibiotics why would the Kirby bauer test require that the agar have a ph of 7.4
Nutka1998 [239]

We have that for the Question "since ph can affect the activity of the <u>antibiotics</u> why would the Kirby bauer test require that the agar have a ph of 7.4" it can be said that

  • Why the Kirby <u>bauer </u>test require that the agar have a ph of 7.4 is because while <em>agents </em>may be in excessive activity, given a scenario that the <em>pH </em>is to exceed 7.4 the results might inverse.

From the question we are told

since ph can <em>affect </em>the activity of the antibiotics why would the Kirby <u>bauer </u>test require that the agar have a ph of 7.4

Generally

Agar has a ph value that should exist between 7.2 and 7.4 within a room temperature,given it  solidifies and this should be when initially prepared

Therefore

Why the Kirby <u>bauer </u>test require that the agar have a ph of 7.4 is because

while <em>agents </em>may be in excessive activity, given a scenario that the <em>pH </em>is to exceed 7.4 the results might inverse.

For more information on this visit

brainly.com/question/1641336  

7 0
2 years ago
Scientists use many resources to piece together the history of life on Earth. The fossil record is one source of information tha
astraxan [27]

Answer:

See explanation

Explanation:

Fossil records contain an extensive detail of the evolution of various species on earth which have been preserved in the remains of these organisms or imprints that organisms that existed long ago must have left  in sedimentary rocks.

Fossil records basically tell us about the past. They tell us about the species that once existed on earth. They also tell us how long these species existed and how the were related to other species.

This information help us to work out how these organisms lived and the environment where they lived.

4 0
3 years ago
Compare photosynthesis and respiration with regard to each of the following
docker41 [41]

Answer:

Explanation:

Photosynthesis Vs. Respiration

1) Photosynthesis gets it's energy from sunlight, and uses the sunlight to change water and CO2 into energy. Cellular respiration gets it's energy from glucose molecules and oxygen.

2) Photosynthesis uses energy, CO2, and water to make energy and releases oxygen. Cellular respiration uses glucose molecules and oxygen to make energy, and releases CO2 and water.

3) Cellular respiration takes place in the mitochondria, and photosynthesis takes place in chloroplasts.

6 0
2 years ago
Which molecules help control movement of substances through cell membranes? A. carbohydrates B. ATP C. DNA D. proteins
krek1111 [17]
D. Proteins help control substances by making trans-membrane channels.
4 0
2 years ago
Read 2 more answers
Why do you think that cardiovascular and degenerative disease is so much higher in developed nations?
Katen [24]

In developed nations people have more fast food options which lead to cardiovascular disease. As well as screen time all day since this is one of the factors of cardiovascular disease. Undeveloped nations don't have fast-food or television to watch all day, since they play outside.

6 0
3 years ago
Read 2 more answers
Other questions:
  • 2 ANSWERS/ WILL GIVE BRAINLIEST
    14·2 answers
  • Which term refers to a universal fact sometimes based on mathematical equations?
    5·2 answers
  • Can an enzyme be recycled? Explain.
    10·1 answer
  • Explain dna is considered the hereditary material
    11·1 answer
  • A group of college students working on a project on bio-gas have found some bacteria in the bio-gas plant. These bacteria can ut
    8·1 answer
  • 1. Which of these decreases as we
    8·1 answer
  • What are the combined alleles of all individuals in a population called?
    13·1 answer
  • The following Punnett Square is a monohybrid cross. It takes the genotypes of the parents and predicts the genotypes of their of
    15·1 answer
  • Choose the 4 reasons that contributed to mendel selecting the garden pea as his experimental subject.
    8·1 answer
  • E effect of beneficial microbes of normal biota against invading microbes is called:______.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!