BIOLOGY MIDDLE SCHOOL

Which of the following has a negative electrical charge?o cation only
o anion only
O Both cations and anions have negative charge.​

Answers

Answer 1
Answer:

Answer:An ion (/ˈaɪɒn, -ən/)[1] is an atom or molecule that has a net electrical charge

Explanation:

Related Questions

The result that may be obtained from testing a hypothesis
Which factor is most likely to cause a faster rate of blood flow
Hitch two organs make and/or store bile
Identify the element that humans need to breathe.
Difference between family planning and birth control

Is rock being ground into powder by moving glacier a physical or chemical change?

Answers

I believe the it’s a Physical change
most likely physical

Are the offspring of parents who are both homozygous dominant for normal red blood cells in danger of getting sickle-cell anemia?

Answers

Answer:

If both parents do not have sickle-cell anemia, than the possibility is low.

Explanation:

If both parents have the sickle-cell trait, their offspring has a 25 percent chance of getting sickle cell anemia and a 50 percent risk of them having sickle cell trait. Meanwhile, there is also a 25 percent chance of the child not getting it at all.

If one parent has sickle cell anemia and the other has sickle cell trait, then their offspring with have a 50 percent chance of getting sickle cell anemia and a 50 percent chance of getting a sickle cell trait.

When both parents have sickle cell anemia, their child will definitely have it.  

Answer:

No, 0% chance

Explanation:

none of the parents are carriers of this disease, and are homozygous dominant to the normal red blood cells, so they will not inherit this disease

Anderson and his lab partner each held a tuning fork, 4440 Hz, in their hands. Anderson tapped his tuning fork with a mallet and they listened to the sound it made. "Wait a minute!" exclaimed Anderson's partner. "My tuning fork is vibrating too!" Sure enough, both tuning forks were vibrating although only Anderson hit his with the mallet.what wave property caused the second tuning fork to vibrate?
a) diffraction
b) interference
c) refraction
d) resonance

Answers

Resonance: the effect of an object vibrating at a specific. preferential frequency

What types of organisms typically make up the base, middle, and top of a food web

Answers

One base organism is "Algae"

What are 4 reasons why plants are considered an important biotic factor in an ecosystem?

Answers

To answer your question it gives you air, it produces carbon-dioxide, and i forget the other 2. I hope this Helped.

Review the following DNA sequences.Original DNA Sequence

A T T G C T A A G T C A

Mutated DNA Sequence

A T T G A T A A G T C A

Which type of mutation occurred?


insertion


deletion


There is no mutation.


substitution

Answers

Answer:

The answer is substitution

Explanation:

Substitution is a kind of mutation that occurs when one nucleotide is change by a different one. In your example, only change the fifth nucleotide (C by A) so, this is an example of point mutation (onle one nucleotide changed).

The other options are differents kinds of mutations that the one shown in your question.
Other Questions
What two forces affect the level of an objects acceleration?
Tyrone hears on the news that the AQI is 201. What does that mean?the air is unbreathable oxygen in the air is at a dangerous level the amount of pollutants in the air is unhealthy acid rain is likely to fall
Which best describes the question "Why do most people think mutations are dangerous?" a scientific question, because it asks about mutations that happen in nature a scientific question, because it asks about most people instead of just a few not a scientific question, because it asks about what people think instead of how nature works not a scientific question, because it asks about how mutations can be helpful to life in nature
What is the answer ?