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lord [1]
3 years ago
12

NEED HELP ASAP!!!

Biology
1 answer:
astra-53 [7]3 years ago
5 0
Organisms do not choose to develop structures to help them survive. They are naturally born with instincts that can tell them what's to do to meet their needs.
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What is the term used to describe when the population growth is at a level that can't sustain any more growth because there are
Oduvanchick [21]
Nvm my answer is wrong
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3 years ago
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The failure, till now, to produce an effective AIDS vaccine may be due to the fact that the causative agent mutates continuously
Furkat [3]

Answer: A. True.

Explanation:

The AIDS virus may constantly change it's form in the host body by mutating. The body immune system becomes unable to produce antibodies which can fight against these mutated cells.

Also, the vaccination used for the purpose of immunization will not be able to combat will the causative agent in the body of the host. As the vaccine contains the microbe which can fight against the virus present in the body. But as the virus is changing it's form the microbe may not be able to compete with the virus. Hence, the use of vaccine will become useless.

3 0
3 years ago
Write all possible codons recognized by each of the given anticodons. An anticodon strand reads 5'–GCG–3'. Fill in the missing b
gregori [183]

Answer:

Codon: 3'-CGC-5'

Codon: 3'-UGC-5'

Explanation:

The anticodons of tRNAs bind to the complementary codons of mRNA. The mRNA codons are always read in 5' to 3' direction. The 5' base of an mRNA codon pairs with 3' base of the anticodon of tRNAs. The first base of the anticodon (the  5' base) determines the number of mRNA codons that are recognized by the tRNA. When the 5' base of the tRNA anticodon is U or G, it binding with codon is less specific. A tRNA anticodon with 5’ G base can read two different codons.  

Anticodon:  5'–GCG–3'.

Codon: 3'-CGC-5'

Codon: 3'-UGC-5'

5 0
3 years ago
In which group of fungi has sexual reproduction never been observed?
kiruha [24]
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4 years ago
Correct choice???<br><br><br><br> bio
Slav-nsk [51]

Answer:

solvent

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the solvent is the substance in which the solute dissolves

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3 years ago
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