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
Taya2010 [7]
3 years ago
13

Neurotransmitters are chemical messengers that travel across the

Biology
1 answer:
Ede4ka [16]3 years ago
4 0
Chemical messengers that cross the synaptic gaps between neurons. When released by the sending neurons, neurotransmitters travel across the synapse and bind to the receptor sites on the receiving neuron
You might be interested in
Why is a 50 percent recovery of single-crossover products the upper limit, even when crossing over always occurs between two lin
34kurt

Answer:

Because of homologous recombination

Explanation:

  • When genes are establish on different DNAs or far apart on the same chromosome, they are classified self-sufficiently and are said to be unlinked.
  • When genes are very close together on the same chromosome, they are said to be linked. That means that alleles, or genetic versions, that are already together on a chromosome will be inherited as a unit more often than not.
  • We can see if two genes are linked, and how closely, by using data from genetic crosses to calculate the frequency of recombination.
  • Using the technique of discovery recombination happenings for numerous gene pairs, we can make link maps that show the order and relative distances of the genes on the chromosome.

  • When the genes are on the same chromosome but far apart, they are classified independently due to crossing (homologous recombination). This is a procedure that happens at the start of meiosis, in which homologous DNAs randomly exchange matching fragments. Crossing be able to connection new alleles in combination on the same chromosome, causing them to enter the same gamete. When the genes are far apart, the crossing occurs with sufficient frequency for all types of gametes to occur with 25% percentage frequency.
  • When the genes are very close together on the same chromosome, the crossing still occurs, but the result (in terms of the types of gametes produced) is different. Instead of being classified independently, genes tend to "stay together" during meiosis. That is, alleles of genes that are already together on a chromosome will tend to pass as a unit to gametes. In this case, the genes are linked

6 0
3 years ago
Which of the following actions occurs during DNA replication?
Nata [24]
Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment. During separation, the two strands of the DNA double helix uncoil at a specific location called the origin.
5 0
2 years ago
What needs to happen for recessive traits to be observed in an organism?
ANEK [815]

Answer:

For recessive traits to be observed, dominant genes must be absent.

Explanation:

There are 3 possibilities for the genes: AA, Aa, aa.

in both AA and Aa, there is a dominant gene present. If a dominant gene is present, it will always show the dominant trait.

In aa, there is no dominant gene present, and there are only recessive genes. Because of this, the recessive trait is observed!

4 0
3 years ago
The chaparral biome is best characterized by _______. a. large, contiguous regions of shrubland b. small regions interspersed wi
Alinara [238K]
The correct answer should be B. Small regions interspersed with other biomes. This type of a biome is found on all continents and in many countries. It's specific because it's similar to a desert when it comes to yearly precipitation, but it is different insofar that it has a lot of plants and animals that are mostly nocturnal predators.
7 0
3 years ago
Read 2 more answers
The cellular organelle primarily responsible for transforming the chemical energy found in nutrients into ATP is the
spayn [35]

Answer:

the organelle responsible4 chem energy to ATP, is the mitochondria...

Explanation:

The mitochondria is responsible 4 packaging protein into energy the cells of the body can use 4 energy..

7 0
3 years ago
Other questions:
  • What is the name of the structure that connects the left and right cerebral hemispheres, allowing for interhemispheric communica
    11·1 answer
  • Choose four elements from anywhere in the periodic table. Record their masses in the table. Explain how their masses relate to e
    14·1 answer
  • What does gravity mapping show?
    7·2 answers
  • Why is the largest single cell organism only 5cm
    7·2 answers
  • "gas exchange between blood and tissue cells is an example of"
    7·1 answer
  • What is the answer to this?
    15·1 answer
  • The cytoplasm flows within the cell membrane circle, keeping every part ____________.
    12·1 answer
  • Chlorophyll
    15·2 answers
  • Define one kg mass , one meter , one second time <br>​
    7·1 answer
  • A father and mother are both heterozygous brown eyes. If they have 24 kids. What percent of the offspring will have blue eyes.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!