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
Rainbow [258]
3 years ago
15

Why are unused embryos available? How could they be used in medical research?

Biology
1 answer:
coldgirl [10]3 years ago
6 0

Answer:

Why are embryos used in medical research?

Stem cells can be obtained at the early stages of embryo development; these cells are called human embryonic stem cells (hESC). They also could be used in research to develop drugs to treat serious diseases, or to repair organs following a stroke or heart attack.

You might be interested in
Based only the sex chromosomes in typical human egg and sperm cells at fertilition, the probability of producing a fmale is
Serjik [45]
I believe the answer is b
5 0
3 years ago
Read 2 more answers
What are brownfields​
Daniel [21]

The lands which are lef unuse after  it is affected by environmental contamination.

<u>Explanation:</u>

  • Brownfields are abandoned or unused fields where reuse is hindered by real or observed environmental contamination. The places may include localities destroyed by hazardous materials, petroleum or mine-scarred land.
  • Brownfields are found in a city or town's manufacturing section, on areas with discontinued factories or industrial buildings, or other earlier contaminating operations like steel millhouses, refineries or landfills. It is mainly found in urban cities where there is normally a stronger potential to redevelop these localities.
  • Some of the most frequent contaminants known at Brownfield sites are from fuels such as grease, propellant, diesel and kerosene from subterrene storage tanks, floor drains, External storage of barrels and machine, and cleaning solvents.
3 0
3 years ago
What are the three types of heat transfer?
ale4655 [162]
- Radiation
- Convection
- Conduction
6 0
3 years ago
Read 2 more answers
24. Which organism would occupy the
Nadusha1986 [10]

Answer:

The organism to have maximum energy would be the algae since ii will be at the lowest level. so the answer is 'B'.

Explanation:

The pyramid of energy shows the flow of energy from one trophic level to other. The lowest trophic level is occupied by the producers. In this case algae acts as the producer. Krill acts as the primary consumer, followed by leopard seal as the secondary consumer and finally killer whale as the tertiary consumer. The <em>lowest trophic level </em> contains maximum energy.

As we go upwards, only 10% of the energy gets transferred to the next trophic level.

6 0
3 years ago
In 1883, a catastrophic event caused climate change, a massive tidal wave, and violently red sunsets. Which event below would be
bezimeni [28]
It’s A: a volcanic eruption
3 0
3 years ago
Other questions:
  • Which of the following statements is correct?
    8·2 answers
  • What's the answer to this question
    7·1 answer
  • Four main principles to the theory of evolution
    5·2 answers
  • In general, what are three ways in which minerals form
    5·1 answer
  • Most chemical reactions consist of sequences of two or more simpler reactions.
    8·1 answer
  • A__ or change in a gene causes the disease hemophilia in 30% of cases of the disease.
    11·1 answer
  • Carbon dioxide and oxygen are molecules that move across a cell membrane due to which important life process?
    10·1 answer
  • PLEASE HELP!!!!!!!!!!!!!! ON A TIME LIMIT!!!!!!!!!!!!!!!!!!!!!!
    12·1 answer
  • 2). WHAT TWO THINGS MUST HAPPEN TO PEOPLE IN DEVELOPING COUNTRIES IN ORDER TO BECOME LIKE INDUSTRIALIZED COUNTRIES AND BE ABLE T
    9·1 answer
  • What would happen to the liquid levels in the glass tube ​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!