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Rasek [7]
3 years ago
8

Which layer of the atmosphere has the lowest temperature

Biology
1 answer:
sergey [27]3 years ago
6 0

Answer:

Mesosphere

Explanation:

im pretty sure

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Light strikes electrons and excites what
tangare [24]

it excites the protons

sorry if this is wrong

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4 years ago
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A lab technician was given 3 samples of urine. one from a healthy person, one from a diabetic and one from a kidney disease pati
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Answer:

diabetic saw the presure

disease make a basic exam

Explanation:

7 0
3 years ago
4. A polypeptide has the following amino acid sequence: Met-Ser-Pro-Arg-Leu-Glu-Gly In the mutant below, indicate the type of mu
MatroZZZ [7]

Answer:

4. c. Deletion/ frameshift mutation

5. a. Tyr Tyr Asp Ser Gly

6. A frameshift occurred which altered the identity of the amino acids following the initiator 6. methionine, but not the length of protein Q.

Explanation:

4)

A single base pair at the first position of the Arg codon i.e. CGA has been deleted. Due to the deletion, the reading frame has shifted one nucleotide backwards, altering the amino acid sequence of the protein.

5)

The genomic DNA sequence is 5'-ATG ATA CTA AGG CCC-3'. Therefore, the complementary mRNA will be 5'-UAC UAU GAU UCC GGG-3'. According to the genetic code, this mRNA sequence encodes the following amino acid sequence: Tyr Tyr Asp Ser Gly

6)

The wild type DNA sequence is:

5'-ACUGUAAUGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'

The mutant i.e. mRNA with the added G will be

5' ACUGUAAUGGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'  

This is a single base pair insertion and frameshift mutation that shifts the reading frame one base pair forwards. The codon that was originally GAG coding for glutamic acid (Glu) gets converted to GGA that codes for glycine. Therefore, the amino acid sequence has been altered but the polypeptide chain will still have 13 amino acids.

6 0
3 years ago
Centipedes are important organisms in temperate forest ecosystems. they live under decaying materials and hunt for small insects
Nimfa-mama [501]
If they hunt small insects at night then I'd say they are 2nd order consumers.
4 0
4 years ago
What level of organization is represented by the brain
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Cell,tissues ,Organs and Organ Systems. After tissues, organs are the next level of organization of the human body. An organ is a structure that consists of two or more types of tissues that work together to do the same job. Examples of human organs include the brain, heart, lungs, skin, and kidneys

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4 years ago
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