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bekas [8.4K]
4 years ago
8

An element is defined as a substance that

Biology
1 answer:
meriva4 years ago
3 0

Answer:

an element is a pure substance which can not be spilt into simpler substances by chemical means

Explanation:

examples hydrogen, oxygen, copper

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1 What is the structure<br> enters and leaves<br> that regulates what<br> the cell ?
kumpel [21]

Answer:

If I remember correctly, its "the plasma membrane".

Explanation:

The plasma membrane is the outer part of the cell and it can control what ever leaves the cell.

8 0
3 years ago
Careful study of commonalities among different organisms suggests that all life on Earth Careful study of commonalities among di
Bingel [31]

Answer:

Yes.

Explanation:

Yes, all life on Earth depends on sunlight for obtaining energy and also shares a common ancestor of all organisms that lives on the land surface or in the oceans.  Sun is the major source of energy through which plants produces food for itself and for other organisms. All the organisms have common ancestors which evolved with the passage of time when the change occurs in the environment and is responsible for the diversity of organisms.

6 0
3 years ago
Anti-infectives are used to treat urinary tract infections which include which anatomical structures? (select all that apply.)
ivolga24 [154]
These anatomical structures are the following:
1. The urine itself which serves as an antiseptic, washing potentially harmful bacteria out from the body during normal urination
2. The ureters join into the bladder in a manner designed to prevent urine from backing up into the kidney when the bladder squeezes urine out through the urethra.
3. The prostate gland in men that secretes infection-fighting substance.
4. The immune system defenses and antibacterial substance in the mucous lining of the bladder eliminate many organisms.
5. The vagina of a healthy women, it is colonized by lactobacilli, a beneficial  microorganisms that maintain a highly acidic environment (low pH) that is hostile to other bacteria. It also produces hydrogen peroxide, which help eliminate bacteria and reduces the ability of Escherichia coli (E. coli) to adhere to vaginal cells that is the major bacterial culprit in urinary tract infection.

4 0
3 years ago
Plasmid bacteria have been developed to produce insulin, which is used by many diabetes patients. Which group of scientists MOST
blagie [28]
I am pretty sure it is <span>D. Microbiologist</span>
6 0
4 years ago
Read 2 more answers
How many strands of mRNA are transcribed from the two “unzipped” strands of DNA?
sp2606 [1]

Answer:Since DNA is double-stranded, two different RNA molecules could in principle be transcribed from any gene, using each of the two DNA strands as a template.

Explanation:During transcription, the DNA of a gene serves as a template for complementary base-pairing, and an enzyme called RNA polymerase II catalyzes the formation of a pre-mRNA molecule, which is then processed to form mature mRNA

4 0
3 years ago
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