BIOLOGY HIGH SCHOOL

Which of these is most likely to produce heavy metal waste? A. Leather tannery
B. Medical center
C. Paper mill
D. Oil refinery

Answers

Answer 1
Answer:

Answer:

Option A, Leather tannery

Explanation:

In a leather industry, chromium is one of the heavy metals that are used in large amount.  

Along with tannery, Chromium is also used in electroplating, and metallurgical industries.  

The water coming out of these tannery has high content of chromium ion (Cr6+) generally ranging between 100–200 mg/L. This chromium rich water needs sufficient treatment before discharge or else it would cause bio magnification effect

Hence, option A is correct
Answer 2
Answer:

C. A paper mill (APEX)

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Where is genetic material found in a eukaryotic cell.

Answers

Answer:

The nucleus.

This organelle is where most DNA or genetic material is found in cells.

How do I do an acrostic poem for "DNA Replication?" it has to be full sentences...

Answers

acrostics have sentences following each beginning letter that coincide with it.
this is how you would do it
D- write sentence relating to DNA replication
N-write your sentence relating to DNA replication
Get creative!
i hope this helped!!

Answer:

It would look like this:

Explanation:

DNA is the buiding block of life

No one can live without it

Along side its sister, rNA that harlet

(idk if you need to include the replication part but here you go)

Replicating with any old DNA sequence

Everyone agrees however, that

People need her for living

Little old rNA sticks around another day

Initiating protien synthesis with DNA after DNA

Carrying information and storing code

A virus may invade a cell

To infect it with its kin

In the end it may prevail

Or perhaps be fended off and killed

No matter what, rna will be there, doing its thang.

Haploid/gametes/sex cell number in humans is ___________

Answers

Answer:

23

Explanation:

Human somatic cells have 46 chromosomes, including 22 homologous pairs and one pair of nonhomologous sex chromosomes. This is the 2n, or diploid, condition. Human gametes have 23 chromosomes, one each of 23 unique chromosomes. This is the n, or haploid, condition.

I hope this helped :)

Environmental degradation is a consequence of previous technological advances. Please select the best answer from the choices provideda. True
b. False

Answers

This should be A. true

That is because during the industrial era, everything made using coal and fossil fuels, freon was used, and numerous other chemicals that destroyed the environment. This was often not done on purpose, people just didn't know what they were doing.

The answer is A. True

What is the advantage of CSF for brain and spinal cord

Answers

CSF, or cerebrospinal fluid, nourishes and protects the brain and spinal cord.

Why would genetic material need to be able to reproduce

Answers

so that the next generation could inherit the previous adaptations and instinct and be similar to the parents. if that didn't happen, a cat might give birth to a giraffe
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