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
Nadusha1986 [10]
2 years ago
5

What element has a charge of -2 when bonding? on the periodic table

Biology
1 answer:
baherus [9]2 years ago
6 0

Answer: Oxygen has a charge of -2 when bonding

You might be interested in
Which could describe the motion of an object?
Sholpan [36]
Distance= 10 meters and displacement = 0
Distance = 10 meters and displacement = 10 meters
Distance = 10 meters and displacement = 1 meter
6 0
3 years ago
Read 2 more answers
Explain an example why selective breeding is an example of biotechnology
lina2011 [118]
Example of selective breeding: Cows that produce lots of milk. Selective breeding to create more useful varieties of animals and plants is a form of biotechnology that human beings have used for thousands of years. Biotechnology includes any use of science or technology to alter the characteristics of a particular breed or animal.
7 0
3 years ago
Describe the beneficial uses of bacterial toxins in medicine.
worty [1.4K]
The beneficial uses of bacterial toxins in medicine are more and more used lately. For example, Botulinum toxin is a toxic protein produced by the bacterium Clostridium botulinum which has paralytic effects (injection of this toxin into muscle relax specific muscles). Botulinum toxin accomplishes his effects on the neuromuscular junction where he prevents the release of the neurotransmitter acetylcholine (Ach). Utilization of this toxin is in the treatment of various muscle spasms. It is also used in the treatment of migraines. Diphtheria toxin is also one of the toxins used for medical purposes for the treatment of cutaneous and non-Hodgkin T-cell lymphomas. <span>Some bacterial toxins can be used in the treatment of tumours. For example, immunotoxin, which is protein made by fusion of modified antibody and toxin.The antibody binds to an antigen on the target cell, the toxin then enters via endocytosis and kills the cell. Commonly used bacterial toxins in immunotoxins are Diphtheria toxin and the Pseudomonas exotoxin.</span>
3 0
3 years ago
In 1958, Meselson and Stahl conducted an experiment to determine which of the three proposed methods of DNA replication was corr
Katen [24]
<h2>Meselson and Stahl conducted an experiment to determine the correct proposed methods of DNA replication was semi-conservative. the three proposed models for DNA replication are semi-conservative, conservative, and dispersive.</h2>

Explanation:

In Semi-conservative replication model, the two strands of DNA uncoil from each other. It perform with the original strand and a new strand.

In Conservative replication model, DNA replication didn't open at all, but the parent strands remains undamaged by creating a new and separate  molecule that consists of two new strands.

In Dispersive replication model, DNA replication results in two DNA molecules that consists of both parental and daughter DNA.

He demonstrated that semi-conservative DNA replication is an universal mechanism allocated by all organisms on Earth.

4 0
3 years ago
A population that is isolated in a remote environment is still able to experience genetic variation How could genetic variation
goblinko [34]

A mistake in DNA replication before meiosis produces an organism that is better able to outrun predators.

Explanation:

The genetic variation results from the different alleles of a population. The mutation or mistake in DNA replication would cause gene variants which may be beneficial. The variation in the DNA sequence of genome results in variants in small population.

Genetic variation is the cause of natural selection and eventually, evolution takes place with beneficial traits.

It is mentioned in the question that resulting offspring having received the mutant allele could result in better surviving capabilities or phenotypic traits as they are able to outrun predators.

7 0
3 years ago
Other questions:
  • Which feature separates humans from other primates? smaller brain size bipedalism use of tools complex social skills
    9·1 answer
  • Which organ is not involved in the enterohepatic circulation?
    6·1 answer
  • Deforestation is causing rainforest around the amazon to dry up?<br><br><br> True <br><br><br> False
    11·1 answer
  • help plss! What is metabolism? Provide a real-life example of metabolism to support your description.
    15·2 answers
  • During the eighteenth century, many scholars became interested in biological diversity, human origins, and our position within t
    10·1 answer
  • Organelles found in plant cells that function through respiration to produce energy from oxygen and sugar are called —
    12·1 answer
  • Question 5
    13·1 answer
  • Mga iba pang pangyayari sa ang Kuwento Ni Solampid
    5·2 answers
  • 1 State whether the following statements are True or False.
    5·1 answer
  • Enternal Supplememts Explore similarities
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!