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3 years ago

Which sub-atomic particle is counted to learn the atomic number of that element?

1 answer:

6 0

Helium, with two protons, will have two electrons. In the chemical classroom, the proton count will always be equivalent to an atom's atomic number. This value will not change unless the nucleus decays or is bombarded (nuclear physics). Figure \(\PageIndex{1}\): The periodic table of the elements.

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Day and night are caused by Earth’s revolution on its axis.

natulia [17]

I say the answer to your question is False because Day and Night are caused by the rotation on its axis!

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3 years ago

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What are some functions of noncoding DNA?

Artyom0805 [142]

Answer:

Explanation:

The non-coding DNA sequences forms the part of the organism's DNA. It is the part of the human genome which does not encode for any protein sequence. Some of the non-coding DNA may be transcribed into into any of the functional non-coding RNA molecules such as ribosomal RNA, transfer RNA and regulatory RNA. Other functions of the non-coding DNA involve translational and transcriptional regulation of the protein coding sequences, origin of DNA replication process, scaffold attachment, telomeres and centromeres.

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3 years ago

Cual es la diferencia entre corriente citoplasmatica y ciclosis?

Mkey [24]

Hello!

Your question:

What is the difference between cytoplasmic current and cyclosis?

Answer:

cyclosis is referring to the cytoplasm inside the cell and the cytoplasmic current is the current carrying the cytoplasm inside the cell.

Hope it helps!

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3 years ago

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In describe four features of bacteria that enable them to survive in a wide variety of habitats

ohaa [14]

<h2><u>Answer:</u></h2>

The 4 principle requirements for microorganisms survival are:

1) Food

2) Moisture

3) Warmth

4) Time

There are microscopic organisms that can develop in cold temperatures and some that blossom with warm temperatures.

A few bacteria go after the other microscopic organisms for survival. Different microscopic organisms get by getting supplements from dead items. Some microorganisms use photosynthesis to make their nourishment.

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3 years ago

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Consider the following hypothetical population and compute the statistical measures below: #births = 50,000; #deaths = 10,000; #

777dan777 [17]

Answer:

The birth rate refers to an average number of births in one year per thousand individuals in the population at mid-year.

BR = (total birth in an annum / total population in mid year) * 1000

BR = (50000 / 1000000) * 1000 = 50

Death rate refers to an average number of death in an annum per thousand individuals in a population at mid year. Thus,

DR = (total death / total population in mid year) * 1000

DR = (10000 / 1000000) * 1000 = 10

Annual population growth rate or APGR is calculated as:

APGR = (Birth rate - Death rate) / Death rate

APGR = (50 - 10) / 10 = 4.0 %

Doubling time is the whole sum time needed for a population to get double in size. It is calculated as DT = ln (2) / growth rate

70 / 4.0 = 17.5 years

Thus, population will get double in 17.5 years.

Adjusted (true) growth rate is equal to APGR + (NMR / Death rate)

And NMR = [(immigrants -emigrants) / total population] * 1000

NMR = [(5000 - 20000) / 1000000] * 1000 = -15

Thus, Adjusted (True) growth rate = 4.0 + (-15 /10) = -6%

The adjusted (true) doubling time = ln (2) / Adjusted growth rate

= 70 / -6 = -11.66

This negative sign shows that it will never get double in such situation.

5 0

3 years ago