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ra1l [238]
3 years ago
12

The image below represents the basic principle of

Biology
1 answer:
algol133 years ago
5 0

Answer:

facilitated diffusion

Explanation:

because moves without atp energy required

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which kingdom of organism is usually multi-celled, heterotrophic and has Cell walls made of cutting divided by opening called se
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This is referring to the kingdom of Fungi (sing. Fungus)
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What bond holds each amino acid together to make a protein?
Naddik [55]

Answer:

PEPTIDE BOND.

Explanation:

Amino acids can link with each other through a peptide bond to form a protein or polypeptide .

this is a condensation reaction that involves the elimination of water molecule.i.e a H2O molecule is produced in this reaction.

the peptide linkage occurs when the OH group of acidic side of one amino acid reacts with the H-atom of the other amino acid and C-N link to form a bond called a PEPTIDE BOND.

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7. What is photosynthesis waste product?
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Read 2 more answers
Which of the following is a characteristic of the second stage with a demographic transition
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5 0
3 years ago
In fruit flies, curved wings (w) are recessive to the dominant straight wings (W), and ebony body (b) is recessive to the domina
lara [203]

Answer:

The correct answer =

parents : WwBb x wwbb

offspring :

WwBb, Wwbb, wwBb, and wwbb

Explanation:

It is given that the straight wings (W) is dominant over curved wings (w) and the ebony body (b) is recessive to the dominant gray body (B) and there is a cross between curved wings and ebony body and straight wings and gray body is made. The phenotypic ratio is: 1:1:1:1 for the four different phenotypes straight gray, straight ebony, curved gray, curved ebony.

It is not given the genotype of parents, however, for the curved and ebony fly, it is clear that both alleles are recessive as recessive alleles only appear in absence of the dominant allele of the trait.

For another parent, the possible genotypes can be  WWBB or WwBb, however in the case of WWBB the phenotypic ratio would not be equal therefore,

crossing WwBb x wwbb

This can be represented in the form of a punnett square as below:

          wb   wb           wb           wb  

WB WwBb WwBb WwBb WwBb Straight wing, Gray body

Wb Wwbb Wwbb Wwbb Wwbb Straight wing, Ebony body

wB wwBb wwBb wwBb wwBb Curved wing, Gray body

wb wwbb wwbb wwbb wwbb Curved wing, Ebony Body

The phenotypic ratio is: 1:1:1:1 for the four different phenotypes

4 0
2 years ago
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