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
Darya [45]
3 years ago
7

What is this ???? Who will solve it ?? Solve it quickly

Biology
1 answer:
Digiron [165]3 years ago
6 0

Answer:

Gray (or Grey) Matter-the darker tissue of the brain and spinal cord, consisting mainly of nerve cell bodies and branching dendrites.

White Matter-he paler tissue of the brain and spinal cord, consisting mainly of nerve fibers with their myelin sheaths.

Explanation:

You might be interested in
How long does adaptation usually take? (Plant)
Igoryamba

Answer: The answer is (4), centuries

Explanation:

7 0
3 years ago
Autoimmune diseases occur when the immune system fails to recognize and tolerate ____________ antigens.
Dahasolnce [82]

Answer:

Harmful

Explanation:

When you have an autoimmune disorder, your immune system does not distinguish between healthy tissue and potentially harmful antigens.

6 0
2 years ago
Coin tosses can demonstrate the effects of genetic drift. Imagine that heads and tails are two alleles in a population. Consider
nydimaria [60]

Answer:

Smaller populations have a greater chance of having one allele expressed disproportionately.

Explanation:

Genetic drift corresponds to a drastic casual alteration of the natural order, reaching the genotypic concentration of one or several species, not preliminarily involving natural selection factors, but caused by sudden events.  Such phenomenon is characterized by the occurrence of ecological catastrophes, for example: earthquakes, tsunamis, tornadoes, floods, burnings, avalanches and other processes, affecting a large population contingent. Thus limiting the genetic content of a particular group, restricted to the prevailing individuals.

In this situation, with low variability, differentiated individuals will experience a more significant selection pressure in relation to the ascending lineage, which minimized the achievements of selection due to the high number of living individuals. In this scenario, smaller populations will have a greater chance of having a disproportionately expressed allele as the number of members is reduced. We can also see this effect if by using a coin we imagine that heads and tails are two alleles in a population and each coin toss represents one member of that population.

4 0
3 years ago
What is an example of selective breeding
Rudiy27
An example of selective breeding is breeding cattle to produce better meat.
3 0
3 years ago
Read 2 more answers
One of the reasons you might struggle to lift a heavy object with your arm fully extended is because:_______.
klasskru [66]

Answer:

the overlapping decreases between the thin and thick filaments.

Explanation:

When w extend our hand or arm to the full and try to lift any heavy object, we are unable to lift the object inspite of applying all our force. We struggle hard to lift the object with our fully extended arm because when we extend our arm fully it decreases the overlapping of our thin and the thick filaments of our muscles which makes it difficult to lift. In other words, the resting length of our arm is the optimal length to generate force.

4 0
3 years ago
Other questions:
  • Some substances are transported within the cell or across membranes with membranous sacs what are these structures called?
    8·1 answer
  • If you were to have children today and the technology was available and affordable would you choose to genetically engineer your
    14·1 answer
  • In normal chicken cells which phase requires the longest time for completion
    7·2 answers
  • What does oxidation involve?
    5·2 answers
  • Which occurs just before a volcanic eruption?
    10·2 answers
  • Which best describes a gene
    15·2 answers
  • In the space below write a summary that explains the following (refer back to the videos for help): (1) How multicellular organi
    15·1 answer
  • An antibiotic is a type of medicine that is used to treat certain diseases that are caused by bacteria. Doctor Inge uses Antibio
    12·1 answer
  • Where in plant cells are the energy-absorbing molecules for photosynthesis located?
    12·2 answers
  • Which of the following provided structural evidence for the concept of a common ancestor
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!