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uysha [10]
3 years ago
5

Which of the following examples shows that a chemical reaction has occurred?

Biology
2 answers:
loris [4]3 years ago
7 0

Answer:

C

Explanation:

When rust forms on something, a chemical change is occurring.

AVprozaik [17]3 years ago
4 0

Answer:

a

Explanation:

a

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70 POINTS FOR WHO EVER CAN HELP ME!!!
hichkok12 [17]
My answer -

 A nucleic acid sequence is a succession of letters that indicate the order of nucleotides within a DNA (using GACT) or RNA (GACU) molecule. By convention, sequences are usually presented from the 5' end to the 3' end. For DNA, the sense strand is used. Because nucleic acids are normally linear (unbranched) polymers, specifying the sequence is equivalent to defining the covalent structure of the entire molecule. For this reason, the nucleic acid sequence is also termed the primary structure.

The sequence has capacity to represent information. Biological deoxyribonucleic acid represents the information which directs the functions of a living thing.

Nucleic acids also have a secondary structure and tertiary structure. Primary structure is sometimes mistakenly referred to as primary sequence. Conversely, there is no parallel concept of secondary or tertiary sequence.


P.S

Have an AWESOME!! day :)


7 0
3 years ago
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PLEASE HELPPP ANSWER NEEDED ASAP
Viefleur [7K]
Here’s your answer, Enzymes !!
5 0
3 years ago
What do you do when you find a endangered animal that eats only endangered plants?
lisov135 [29]
Well it may depend on the environments and what percentage of the endangered animal is actually consuming the endangered plants... Thats just my guess.
7 0
3 years ago
Explain how the water vascular system allows an echinoderm to move along the ocean floor. Please help!
astra-53 [7]

Answer: Sea stars move using a water vascular system. Water comes into the system via the madreporite. It is then circulated from the stone canal to the ring canal and into the radial canals.

Explanation: The radial canals carry water to the ampullae and provide suction to the tube feet.

3 0
3 years ago
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You find a small, elongated animal embedded in the sand with one end sticking out. Among other things, it has segmental musculat
Rom4ik [11]

Answer:

a chordate.

Explanation:

Taxonomy can be defined as the process of naming, classification and description of living organisms such as plants and animals. The eight (8) biological classification (taxonomy) used for grouping and organizing organisms are; kingdom, domain, phylum, family, order, class, species and genus.

Generally, taxonomy helps scientist to have a good understanding and knowledge when studying various organisms.

A chordate can be defined as an animal found in phylum chordata of the animal kingdom such as vertebrates, cephalochordates, tunicates, etc.

The four (4) shared anatomical features or characteristics of chordates includes the following;

I. Notochord.

II. Dorsal hollow nerve cord.

III. Pharyngeal slits.

IV. Post-an_al tail.

In this scenario, you find a small, elongated animal that has segmental musculature, a coelom, and a complete digestive tract. Thus, this animal is a chordate.

4 0
3 years ago
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