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Alex73 [517]
3 years ago
13

ILL MARK YOU BRAINLIEST If each of the organisms in the chart is placed in a saline solution of 1% salt concentration, which org

anism isMOST LIKELY to be in an isotonic state by diffusion alone
a. paramecium
b. salmonella
c.plankton
d.amoeba

Biology
1 answer:
xenn [34]3 years ago
6 0
B. Salmonella

Isotonic solutions will have the same or a very similar concentration when compared to the cell or microbe within it. Based on the chart above, Salmonella has a salt concentration as a percentage of volume of 0.9. If the salt concentration of a solution is 1% then 0.9 is the closest compared to the others. Paramecium will be hypotonic while Amoeba and Plankton would be hypertonic in this solution.
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A rooster with gray feathers is mated with a hen of the same phenotype. Among their offspring, 15 chicks are gray, 6 are black,
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Answer:

Alleles for feather colour exhibit incomplete dominance or co-dominance.

50% gray offspring + 50% black offspring

Explanation:

<em>It means that the alleles for feather colour in the hen exhibit incomplete dominance or co-dominance over one another.</em>

Assuming the allele for white colour is B, white colour will be b while the heterozygote Bb gives the gray phenotype.

Gray rooster + gray hen = 15 gray chicks, 6 black chicks and 8 white chicks.

15:6:8 is roughly 2:1:1 which is phenotypic ratio obtainable from crossing two heterozygous individuals as pointed out by Mendel.

Bb   x   Bb = 1BB, 2Bb, and 1bb

Crossing the gray rooster (Bb) with a black hen (bb):

Bb   x   bb = Bb, Bb, bb, and bb

          = 2Bb (gray):2bb (black)

50% of the offspring will be gray while the remaining 50% will be black.

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What part of the brain controls heart rate
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Each position of a codon can be occupied by one of four nucleotides. What is the minimum number of nucleotides per codon necessa
USPshnik [31]

Answer:

The minimum number of nucleotides per codon necessary to specify all 20 amino acids that are found in proteins is <u>3</u>

Explanation:

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