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3 years ago

An atom with 9 protons and 8 electrons is what kind of atom?

Biology

1 answer:

Reika [66]3 years ago

7 0

Answer:

B. A cation

Explanation:

An atom is the smallest indivisible component of a matter including an element. An atom contains three particles called SUBATOMIC PARTICLES (PROTON AND NEITRON in the nucleus and ELECTRON surrounding the nucleus). The proton is positively charged while the electron is negatively charged.

The number of protons and electrons determine whether an atom will be postively charged (cation) or negatively charged (anion). In this question, an atom with 9 protons and 8 electrons will be A CATION because the protons (9) are more than the electrons (8), hence, making it a positively charged atom (cation).

N.B: The cation atom will have a +1 charge

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If a particular gene is located on the Z chromosome of this lizard species, describe why a lizard with a ZW genotype has a great

Alenkasestr [34]

Answer:

ZZ species will take more number of crosses to produce a recessive offspring.

Explanation:

Here Z seems to be the dominant allele. A species having ZZ or homozygous dominant genotype shall not express the recessive phenotype until unless it has both recessive allele and this is not possible as of now or is dependent on the genotype of mating species and the number of generations of development.

If ZZ mates with WW, the offspring in F1 generation will have genotype ZW

However, if the offspring in the F1 generation are crossed then in next generation we could see organism with recessive phenotype i,e WW

ZW*ZW

ZZ, ZW, ZW, WW

While in case of organism having ZW type genotype, recessive phenotype will occur in the first generation cross with the ZW.

8 0

3 years ago

Select the correct answers. Meningitis is the inflammation of the protective covering of the meninges. Which organs would be aff

Usimov [2.4K]

Answer:

Brain and spinal cord

Explanation:

Meningitis is the inflammation of the protective covering of the meninges, the three membranes covering the brain and spinal cord. Meningitis usually occurs from a viral infection, but may sometimes result from a bacterial or fungal infection, cancer or drug allergies.

Viral and bacterial meningitis may be contagious and can be transmitted through coughing and sneezing.

Symptoms of meningitis include:

headaches

fever

sensitivity to bright light

stiff neck

seizures

sleepiness

lethargy

nausea and vomiting

decreased appetite

Treatment is by vaccination, use of antibiotics and antifungal agents.

6 0

3 years ago

Earth's earliest atmosphere may have contained which components? 15.8

vivado [14]

Answer:

Only Water, Oxygen, Nitrogen and ammonia

Explanation:

8 0

3 years ago

Can someone please answer quick and correct I will give brainliest

sladkih [1.3K]

Your answer is B I believe good luck!
If it’s not B it’s D

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3 years ago

Refer to Animation: Endomembrane System. Consider a protein that is targeted to be excreted to the outside of the plasma membran

Murljashka [212]

IN THE LUMEN INSIDE OF THE ENDOPLASMIC RECTICULUM.

<u>Explanation:</u>

The endoplasmic recticulum is the continuous membrane system that forms that forms the more number of flattened within the cytoplasm of eukaryotic cells and performs the multiple process in the cell.

The immportant functions of endoplasmic recticulum is folding, synthesis, modification, ans transport of the protein. The lumen is the protein which is present in the endoplasmic recticulum.

The lumen of the endoplasmic recticulum is the area closed by the endoplasmic recticulum membrane, it is an extensive network of the membrane tubues, visicles, and flattened the cisternae found in the eukaryotic cells.

7 0

3 years ago