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zalisa [80]
3 years ago
15

Explain why classification is always changing.

Biology
2 answers:
wariber [46]3 years ago
5 0
The answer is that the criteria of classification change whith the improved understanding of organisms around us
larisa86 [58]3 years ago
4 0

Answer:

Classification for organisms is constantly changing because our technology is getting better. Classification used to be based on how similarly organisms appeared (morphological data). However, with better technology, we are able to look at the DNA of different species and are finding that the organisms we once thought to be closely related are not. Additionally, organisms we once thought to be distantly related may have very similar DNA.

Our classification now is based off of evolutionary history or phylogeny. Since evolution is so closely linked with genetics, our classification usually changes with new discoveries in DNA.

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Fats and steroids are examples of which macromolecules​
abruzzese [7]

Answer:

Types of biological macromolecules

Biological macromolecule Building blocks Examples

Lipids Fatty acids and glycerol Fats, phospholipids, waxes, oils, grease, steroids

Proteins Amino acids Keratin (found in hair and nails), hormones, enzymes, antibodies

Nucleic acids Nucleotides DNA, RNA

Explanation:

6 0
3 years ago
Transcription chain elongation is thought to generate ____ supercoils ahead of the transcription bubble and _____ supercoils beh
frosja888 [35]

Answer:

a. positive; negative

Explanation:

Transcription is the process of forming an RNA molecule from a DNA template molecule. In this process, the strands of DNA separate and one serves as a template for RNA, while the other is inactive. At the end of the transcript, the tapes that have been split back together again.

The transcription process is divided into three steps: initiation, stretching and termination

During the stretching phase, transcription chain elongation occurs. In this phase the enzyme called RNA polymerase starts to move through the DNA molecule, unwinding its helix and producing an increasingly lengthened RNA molecule. The already transcribed DNA is rewound almost immediately, recomposing its double helix. This process is called the elongation phase.

During this process, it is believed that positive supercoils  are generated ahead of the transcription bubble and  and the negative supercoils behind it.

6 0
3 years ago
Which of the following is a trait that cannot be inherited through genetic information
Alchen [17]

Answer:

i think its B

Explanation:

5 0
3 years ago
Which of the following is a geographic example of a transform fault boundary?
rewona [7]
<span>The san  Andreas fault

</span>
7 0
3 years ago
Read 2 more answers
Read the passage.
vlada-n [284]

A comma splice is basically a comma fault which means- when two independent clauses are joined by a comma to make one complete sentence. And an independent clause is a clause that can stand alone as a sentence.

So, here in the passage- Option C is correct one.

Lady Liberty is a woman holding a torch, it represents freedom. This sentence can be successfully broken into two complete sentences. Like- Lady Liberty is a woman holding a torch. It represents freedom.

7 0
3 years ago
Read 2 more answers
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