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nadya68 [22]
3 years ago
14

Cual es la reaccion de los tubulos de malpighi en agua salinas

Biology
1 answer:
seraphim [82]3 years ago
4 0

Question:

Cual es la reaccion de los tubulos de malpighi en agua salinas

What is the reaction of Malpighi tubules in saline water

Answer:

The Malphighian tubes excrete salt (NA+) at the expense of potassium(K+) when exposed to saline water. They are the primary secretion regulator in an insects body.

Las trompas de Malphighian excretan sal (NA +) a expensas del potasio (K +) cuando se exponen al agua salina. Son el principal regulador de secreciones en el cuerpo de un insecto.

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If you have a pet cockroach with a brown body, how could you find out if it is
aleksklad [387]

Answer:

by testcrossing with a homozygous recessive partner

Explanation:

<u>If a pet cockroach exists whose zygosity is unknown, this can be determined by a test cross. A test cross involves crossing an organisms whose zygosity is unknown with a partner that is homozygous recessive for the same trait.</u>

Let us assume that brown body is represented by the allele B, the dominant allele. The homozygous recessive version would be bb.

The genotype of a brown cockroach whose zygosity is not known can be denoted as B_, where '_' can be a 'B' or a 'b'.

When B_ is crossed with bb:

B_   x   bb

Progeny

2 Bb

2 _b

The phenotype of Bb would be brown (since B is dominant over b) while the phenotype of _b would depend on the zygosity level of the cockroach.

If the unknown genotype is BB, then _b becomes Bb and the phenotype will be a brown body. This means that all the progeny will appear brown. (<em>see the first attached image for the Punnet's square</em>)

In other word, if the unknown genotype is bb, then _b becomes bb and the phenotype will be a alternate color (non-brown) body. This means that 50% of the progeny will appear brown while the remaining 50% will be in the alternate color. (<em>attached</em>

3 0
3 years ago
What is the role of bacterial proteins in DNA cleavage
neonofarm [45]
The role of the bacterial proteins in DNA cleavage is to describe the sequence of bases present at the sticky ends of the cleaved double strand of DNA.
~Deceptiøn
4 0
3 years ago
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Suppose someone argues that biological studies are important for anthropology​
abruzzese [7]

Answer:

I would agree

Explanation:

5 0
3 years ago
A plasmid _____________________________ . A. can confer antibiotic resistance to a bacterium. B. is a single-stranded circular D
hodyreva [135]

Answer:

The correct answer will be option A.

Explanation:

The bacteria organize its genetic material in the single circular chromosome suspended in the cytosol along with additional circular double-stranded DNA molecule called plasmid.

The plasmid is present as a separate structure in the cytoplasm which performs important functions during stressful conditions in the bacteria like providing antibiotic resistance to the bacteria, formation of filial factors during conjugation and many others.

The plasmid which confers resistant to the bacteria is known as the R-plasmid. The R-plasmid consists of r-determinants which confers antibiotic resistance to the bacteria and resistance transfer factor (RTF) which helps in plasmid transfer.

Thus, option A is the correct answer.

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3 years ago
The process that breaks down existing rocks to sediments is called lithification.
Nesterboy [21]
The correct answer Is true
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