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
Jlenok [28]
3 years ago
14

The large rounded brain near the center of the cell is the

Biology
1 answer:
Artemon [7]3 years ago
3 0

<span>The large rounded brain near the center of the cell is the nucleus. It is known as the brain because it is responsible for most of the cell functions. Similarly to the human brain, the nucleus sends information and instructions to the cell.</span>

You might be interested in
Evolution can be described as the change in __________ frequencies of a __________ over time.
Tresset [83]

Explanation:

In population genetics, the term evolution is defined as a change in the frequency of an allele in a population. ... The allele frequency within a given population can change depending on environmental factors; therefore, certain alleles become more widespread than others during the process of natural selection.

3 0
3 years ago
Select all of the correct answers.
andrey2020 [161]

Answer: 2, 3, 4,

Explanation:

5 0
3 years ago
Read 2 more answers
The arctic fox and gray fox evolved from the same species over thousands of years. can you place these steps in the process of a
elena55 [62]
Allopatric speciation, also referred to as geographic speciation, is a method of the formation of new species due to isolation of the species from one another through geographic means.

The first step in this process is geographic isolation, which means that the original population is divided into two groups due to geographical reasons such as movement of continents or formation of water bodies.

Next, the species are subjected to different selection pressures due to their different environments. Eventually, the gene pool becomes very different for the two species due to the different selection pressures and because they are not allowed to mix.

Finally, after enough time passes, speciation occurs, which means that the two populations cannot breed to form fertile offspring.
8 0
3 years ago
Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp m
kodGreya [7K]

Answer:

A mutation in Ras protein which will cause hyperactivity will eventually lead to cancer.

Explanation:

Ras protein was first discovered in Rous sarcoma virus (RSV) and it is a proto-oncogene product. In normal conditions, it plays an important role in cellular signalling but in case of gain of function/hyperactivity it gets converted into cellular oncogene. In several types of cancers a point mutation has been reported in Ras protein.

Just like G protein, it is also a GTPase switch protein but unlike G protein which is trimeric, it is monomeric. In the plasma membrane, it is attached with the help of lipids like prenyl or palmitoyl groups. During signal transduction pathway when it gets activated, it downstream activates MAPK pathway and causes gene expression but when it gets hyperactivated it causes over expression of genes leading to cancer.

4 0
3 years ago
these sources of information are used to determine the relationships among different species. which provides information at the
Grace [21]
It is the comparison of the nucleotide sequences in DNA

6 0
3 years ago
Other questions:
  • How does biology relate directly to your own life
    6·2 answers
  • Primary succession begins after a
    10·1 answer
  • The ovaries are located in the ___ cavity.
    15·1 answer
  • When treating an organism with a mutagen, although it is possible that homozygous mutations will occur, it is more likely that m
    8·1 answer
  • Which of these is not a human activity that impacts the environment?
    7·2 answers
  • - Which sedimentary rock is CLASTIC and made up of shale?
    9·2 answers
  • Mary is conducting an experiment on how pollution affects plant growth. How can she ensure that her data are reliable? by repeat
    13·2 answers
  • Define the following :
    11·1 answer
  • Please Help - :)
    12·2 answers
  • Which statement about concentration gradients is FALSE?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!