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Semmy [17]
3 years ago
14

18) Do all bacterial cells have this circular DNA? Explain.

Biology
1 answer:
melomori [17]3 years ago
6 0

Answer: Yes

Explanation: Bacteria have single circular chromosomes which are located at the cytoplasm in the structure called the nucleoid.

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What happens if a horse gains or lose a chromosome? Explain why mutations and chromosomal changes occur. ANSWER ASAP <3
Radda [10]

Answer: Gaining or losing a chromosome will result in major genetic changes for that horse, as either it will be missing important DNA or will have too much DNA. Either can cause mutations to occur in the animal's genome. Chromosomal changes are caused by an error during either meiotic or mitotic cell division. An error could be that a cell has too much copies of a chromosome, or not enough, which causes the mutations mentioned above. Hope this helps some, I know it's not a super meaty answer.

Explanation:

5 0
3 years ago
On a global basis, which of the following is the largest reservoir of carbon? atmosphere vegetation sediments fossil fuels
Amiraneli [1.4K]
Out of the following choices, fossil fuels is the largest reservoir of carbon in the world. A couple of other reservoirs of carbon are dissolved in the ocean and in plants. 
3 0
4 years ago
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Today, ellen is going to the mental health clinic for a relatively new treatment. during the procedure, repeated pulses of magne
Genrish500 [490]

Answer – Repetitive Transcranial Magnetic Stimulation (rTMS)

 

Repetitive transcranial magnetic stimulation (rTMS) is a type of brain stimulation therapy used in the treatment of depression and anxiety; it’s most especially used for the treatment of severe depression. During the procedure, a magnetic field generator (coil) is placed near the head of the person to deliver repeated pulses of magnetic energy.

8 0
4 years ago
Choose the option that best describes the relationship between the cell wall thickness of parenchyma cells versus sclerenchyma c
MatroZZZ [7]
<h2>Permanent tissues in Plant</h2>

Explanation:

A) The cell walls of parenchyma cells are thinner than those of sclerenchyma cells

Plants posses basically two kinds of tissue- meristematic tissue and permanent tissue.

Meristematic tissue is made up of cells which are capable of active division and give rise to other tissues,.

Permanent tissue are already differentiated and usually do not divide.

Permanent tissues are -collenchyma, sclerenchyma and parenchyma.

Parenchyma and collenchyma are living whereas sclerenchyma is non-living.

5 0
3 years ago
When eating, a person is protected from food entering the airway primarily by ____?
liraira [26]
The correct answer for this question is "Epiglottis". The Epiglottis is responsible for cutting off the passage way to the airway while swallowing/eating food to prevent the food from being inhaled by the body.The Epiglottis has a leaf-like shape structure with a cartilage that covers the passage way into the air ways of the body. 
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3 years ago
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