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
IgorLugansk [536]
2 years ago
6

50 Points if you get it right I trust you

Biology
2 answers:
Mnenie [13.5K]2 years ago
8 0
Answer: A. Introducing new organisms ALWAYS benefits the native organisms in the ecosystem
Reil [10]2 years ago
6 0
A. An invasive species can be dangerous to native ones
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
4. There are a variety of receptors and second messenger systems in cells that in many cases exhibit cross-talk with each other
frutty [35]

Answer:

These 3 receptors are different from each other. They do differ from each other by their location and function.

1. Testosterone receptor :  It is an Androgenic receptor

2. Ferrotransferrin receptor :  It acts as an element-binding protein which is iron responsive.

3. Fibroblast growth factor :  It acts as a growth factor.

Explanation:

1. Testosterone :

Location- Xq 11-12 in the X chromosome.

Function-  

  1. maintains male skeletal integrity by osteoblast and osteocytes.
  2. maintains female sexual, somatic and behavior.
  3. develops male sexual characters.

2. Ferrotransferrin :

Location- chromosome 3q21

Function-

  1. intakes iron in the cell.
  2. maintains the cellular iron equilibrium.
  3. post-transcriptional modification.  

3. Fibroblast (growth) :

Location- chromosome 4p16.3

Function-

  1. helps in bone development.
  2. helps in bone growth maintenance by ossification.

8 0
3 years ago
How do you do this biology work
wolverine [178]

Answer:

22 pairs of autosomes, 1 pair of sex chromosomes, I notice that the X and Y chromosomes are sex chromosomes and that they are different in length and size., The sex of this organism is male, as the genotype XY can only mean a male gender; female gender is denoted by the genotype XX., You didn't put in Karyotype A., The special circumstance is with group 21 of chromosomes. There are 3 instead of 2 in that group., This circumstance results in a condition known as trisomy 21, or Down Syndrome. Down syndrome causes a distinct facial appearance, intellectual disability, developmental delays, and may be associated with thyroid or heart disease. , Name the karyotype "Down Syndrome Karyotype?" (I'm not sure on the last one)

7 0
3 years ago
How is gene regulation in prokaryotes and eukaryotes similar how is it different?
Triss [41]
Prokaryotes are unicellular (single-celled) organisms and on the other hand Eukaryotes are multicellular organisms and more developed in organ and structure compared to prokaryotes. Gene regulation is key to both organisms as it determines growth and development and other process and activities performed by the organism. However, the two organisms differ in the way they regulate their genes. Prokaryotes cells lack nucleus while the eukaryotic cells have a well defined nucleus. In Prokaryotes RNA transcription and protein formation occur almost simultaneously while in the Eukaryotes RNA transcription occur before the protein formation in the nucleus and then protein formation occurs in the cytoplasm. In addition both organisms uses the same processes in gene regulation  and only differ in the manner the processes are undertaken. Lastly, gene expression in prokaryotes is regulated at transcriptional level whereas in eukaryotes regulation is at many levels.
8 0
3 years ago
Choose the correct type of mountain formation: sedimentary layers are pushed together, folded, and broken and formed by erosion.
Lana71 [14]

Answer:

Its folded mountains

Explanation:

I just took the quiz :) hope this helps.

4 0
3 years ago
Other questions:
  • Classify the responses in the given situations as part of innate immune response or adaptive immune response
    8·2 answers
  • If a DNA molecule is 22% adenine in any organism, which percentage of thymine will that DNA molecule contain?
    11·1 answer
  • 1. Gametes are formed by.. (1 point)
    10·2 answers
  • Where do spores come from?
    15·1 answer
  • Homogeneous materials contain visibly different materials. True or False
    13·2 answers
  • Quarrying and solar evaporation are included in which type of mining?
    5·1 answer
  • Streptomyces A. resemble fungi in their pattern of growth.B. produce a number of antibiotics.C. produce a characteristic blue gr
    6·1 answer
  • In what year did the human genome get completely decoded
    11·1 answer
  • What is the main difference between vertebrates and invertebrates​
    10·2 answers
  • Check all that are functions of the blood in the body transports oxygen from the lungs to body cells
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!