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noname [10]
3 years ago
15

If you answer right I will give you the brainiest!!!!!

Biology
1 answer:
gtnhenbr [62]3 years ago
7 0

Answer:

The second one

Explanation:

The rest don’t really make sense in This case

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fter 8 weeks of pregnancy it's called the fetus

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Which biomes have little variation in temperatures during the year?
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The tundra has little variation in temperatures
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50 points!!! please define the philogenetic species concept and please explain it with an example, it's realy urgent
pickupchik [31]
Phylogenetic species concept (PSC) The concept of a species as an irreducible group whose members are descended from a common ancestor and who all possess a combination of certain defining, or derived, traits (see apomorphy). ... "phylogenetic species concept." A Dictionary of Biology. .

Or

The biological species concept has its limitations (although it works well for many organisms and has been very influential in the growth ofevolutionary theory). ... In thisexample, Ensatina salamander lineages A and B are separate species.Each has a common ancestor that individuals of other species do not.

I hope that this helps you out

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3 years ago
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Most studies indicate that tobacco and marijuana tend to be a. substitutes. b. complements. c. unrelated because one good is leg
koban [17]
<h2>Answer is option "b"</h2><h3>Explanation:</h3>
  • The complement systems are a key natural insusceptible barrier against disease and a significant driver of irritation; in any case, these very properties can likewise cause hurt. Unseemly or uncontrolled initiation of compliment can cause nearby as well as fundamental irritation, tissue harm and ailment.
  • Complement gives various choices to tranquilize advancement as it is a proteolytic course that includes nine explicit proteases, one of a kind multimolecular enactment and lytic edifices, a stockpile of characteristic inhibitors, and various receptors that dilemma to actuation sections.
  • Medication configuration is encouraged by the undeniably itemized basic comprehension of the atoms associated with the complement system. Just two enemies of compliment drugs are as of now available, however, a lot more are being produced for sicknesses that incorporate irresistible, provocative, degenerative, horrible and neoplastic disorders.
  • Hence, the right answer is option b "Complements".\

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3 years ago
What is the substance that enzymes act on?
vitfil [10]

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substrates

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they tend to be the original reactant, and the newly formed material is the product

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