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2 years ago

A fruit fly egg has 5 chromosomes, how many are in a skin cells?

Biology

1 answer:

xxTIMURxx [149]2 years ago

6 0

Answer:

Skin cell has 10 chromosomes.

Sperm cell has 5 chromosomes.

egg cells has 5 chromosomes.

Explanation:

If the fruit fly egg has 5 chromosomes, then the skin has 10 chromosomes because skin has diploid i. e. double number of chromosome. There is always haploid or half number of chromosome present in the sex cells such as sperm and egg cells of any organism. When the sperm and egg cells fuse together they formed the organism which is a diploid i. e. double number of chromosome.

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Calculate the mass defect for oxygen-16 given this data. Round to the 5es001-1.jpg decimal place. mass of an oxygen-16 atom: 15.

Naya [18.7K]

Answer:

Explanation:

Given parameters:

Mass of oxygen atom = 15.994914amu

Mass of a proton = 1.00728amu

Mass of a neutron = 1.00866amu

Unknown:

Mass defect = ?

From the periodic table, the number of the elementary particles in a neutral Oxygen atom is given below:

Number of protons = 8

Number of neutrons = 8

Number of electrons = 8

Solution

The mass defect examines the difference between the actual mass of an atom and sum of masses of the nucleons.

The mass of an atom is concentrated in the nucleus which contains protons and neutrons. Electrons have little to no weight compared with the nucleons.

To calculate the mass defect, we first know the mass of the nucleons first:

1 proton has a mass of 1.00728amu

8 protons will weigh: (8 x 1.00728)amu = 8.05824amu

For the neutrons:

1 neutron has a mass of 1.00866amu

8 neutrons will weigh: (8 x 1.00866)amu = 8.06928amu

Mass of the nucleons = mass of protons + mass of neutrons

= 8.05824amu + 8.06928amu

= 16.12752amu

The mass defect = mass of the nucleons - mass of the atom

= 16.12752amu - 15.994914amu

= 0.132606amu ≅ 0.13261amu to 5 decimal places

6 0

2 years ago

Read 2 more answers

Which statement best illustrates the function of RNA in relation to DNA and proteins? A. Proteins make DNA, which then creates R

forsale [732]

Proteins make DNA which then creates RNA.

6 0

2 years ago

What do the arrows in food chains and webs represent?

vivado [14]

Answer:

A.the flow of energy between organisms in an ecosystem

3 0

1 year ago

According to cell theory, what do each of the following organisms have in common?

mafiozo [28]

Answer:

Hope it helps!!

Explanation:

According to cell theory, what do each of the following organisms have in common? Each organism is able to photosynthesize. They are all made up of the same kinds of atoms. ... Cells are the basic unit of structure for each organism.

7 0

2 years ago

Products enter a reaction and reactants come out of a reaction true or false?

hjlf

Answer:

$\boxed {\boxed {\sf False }}$

Explanation:

In a chemical reaction, the products are produced. The reactants are the substances that react.

In a chemical reaction equation (with the arrow pointing right) the reactants are on the left and the products on the right.

$reactants \rightarrow products$

The reactants enter and the products come out.

So, the statement given - products enter a reaction and reactants come out - is false and it is actually the other way around.

3 0

2 years ago