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IgorC [24]
2 years ago
13

Which pressure is a result of the natural tendency of the lungs to decrease their size or recoil, which is opposed by the natura

l tendency of the elastic chest wall to pull outward, enlarging the lungs
Biology
1 answer:
Tems11 [23]2 years ago
3 0

Given what we know, we can confirm that the pressure that is a natural result of the tendency of the lungs to decrease their size or recoil is called transpulmonary pressure.

<h3>What we know about transpulmonary pressure.</h3>
  • It is caused by the difference in pressures between compartments.
  • It can also sometimes be referred to as transmural pulmonary pressure.
  • This pressure's value is equal to the elastic recoil pressure value.

Therefore, we can confirm that the pressure that is a natural result of the tendency of the lungs to decrease their size or recoil is called transpulmonary pressure.

To learn more about anatomy visit:

brainly.com/question/4113194?referrer=searchResults

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C.What happens to the atomic number as you move right on the periodic table?
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Answer: the atomic number will increases

Explanation:

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The plasma membrane found in both prokaryotic and eukaryotic cells is composed of a/an _______, which is semipermeable and contr
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the answer is a <u><em>phospholipid bilayer</em></u>

it's called phospholipid because it's made of a group of lipids that has a phosphate group and bilayer because it's made of hydrophilic heads that are exposed to the solution and hydrophobic tails that are directed inwards

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3 years ago
Urgent Help!
Arte-miy333 [17]

Assuming diallelic genes, that express complete dominance, and assort independently, <em>1) </em><em>Genotypic ratio</em><em>=1:2:1. </em><em>Phenotypic ratio</em><em>=3:1 </em><em>/</em><em> 2) </em><em>Parental genotype</em><em>: PpRr. </em><em>Gametes</em><em>= PR, Pr, pR, pr. </em><em>Phenotypic ratio</em><em>: 9:3:3:1</em>

------------------------------

We will assume diallelic genes that express complete dominance. In cases where two or more genes are involved, we will assume they are not linked, and alleles assort independently.

1) <u>FRECKLES</u>

  • F is the dominant allele that codes for freckles
  • f is the recessive allele that codes for no-freckles

Cross: Between a mother and a father who both have freckles and are heter0zyg0us for the trait

Parentals)    Ff    x     Ff

Gametes)   F     f      F     f

Punnett square)     F           f

                      F       FF         Ff

                      f        Ff          ff

F1)  Genotype

  • 1/4 = 25% of the progeny is expected to be h0m0zyg0us dominant, FF
  • 2/4 = 1/2 = 50% of the progeny is expected to be heter0zyg0us, Ff
  • 1/4 = 25% of the progeny is expected to be h0m0zyg0us recessive, ff

     Phenotype

  • 3/4 = 75% of the progeny is expected to express freckles, FF + Ff
  • 1/4 = 25% of the progeny is expected to not express freckles, ff

Genotypic ratio ⇒ 1:2:1

Phenotypic ratio ⇒ 3:1

2) <u>FLOWER COLOR AND SEED SHAPE</u>

<u />

  • P is the dominant allele that codes for purple flowers
  • p is the recessive allele that codes for white flowers
  • R is the dominant allele that codes for round seeds
  • r is the recessive allele that codes for wrinkled seeds

Cross: Between two plants that are heter0zyg0us for flower color and seed shape

Parentals)            PpRr        x         PpRr

Gametes)    PR, Pr, pR, pr          PR, Pr, pR, pr

Punnett square)     PR           Pr         pR           pr

                   PR     PPRR      PPRr     PpRR      PpRr

                   Pr      PPRr       PPrr       PpRr       Pprr

                   pR     PpRR      PpRr      ppRR      ppRr

                   pr      PpRr       Pprr       ppRr       pprr

F1) Genotype

  • 1/16 individuals are expected to be PPRR
  • 2/16 individuals are expected to be PPRr
  • 1/16 individuals are expected to be PPrr
  • 2/16 individuals are expected to be PpRR
  • 4/16 individuals are expected to be PpRr
  • 2/16 individuals are expected to be Pprr
  • 1/16 individuals are expected to be ppRR
  • 2/16 individuals are expected to be ppRr
  • 1/16 individuals are expected to be pprr

       Phenotype

  • 9/16 individuals are expected to have purple flowers with round seeds, PPRR + PpRR + PPRr + PpRr
  • 3/16 individuals are expected to have purple flowers and wrinckled seeds, PPrr + Pprr
  • 3/16 individuals are expected to have white flowers and round seeds, ppRR + ppRr
  • 1/16 individuals are expeceted to have white flowers and wrinckled seeds, pprr.                  

Phenotypic ratio  ⇒ 9:3:3:1

Genotype of parent plant 1: PpRr

  1. Gamete 1: PR
  2. Gamete 2: Pr
  3. Gamete 3: pR
  4. Gamete 4: pr

Genotype of parent plant 2: PpRr

  1. Gamete 1: PR
  2. Gamete 2: Pr
  3. Gamete 3: pR
  4. Gamete 4: pr

<u>            PHENOTYPE                                 GENOTYPE              </u>

purple flowers, round seeds:       PPRR, PpRR, PPRr, PpRr

purple flowers, wrinkled seeds:              PPrr, Pprr

white flowers, round seeds:                    ppRR, ppRr

<u>white flowers, wrinkled seeds:                      pprr                      </u>

<u>            PHENOTYPE                        NUMBER              </u>

purple flowers, round seeds:                 9

purple flowers, wrinkled seeds:             3

white flowers, round seeds:                   3

<u>white flowers, wrinkled seeds:               1                     </u>

------------------------------------

You can learn more about monohybrid and dihybrid crosses at

brainly.com/question/1185199?referrer=searchResults

brainly.com/question/24076691?referrer=searchResults

brainly.com/question/2669862?referrer=searchResults

4 0
3 years ago
A two-trait occurs when an individual has two dominant alleles but it is not possible to determine if that individual is homozyg
Alex17521 [72]

Answer:

This statement refers to Test Cross.

Explanation:

Generally a Test cross involving an individual with a homozygous recessive trait . When a single trait is being studies, a test cross is a cross between an individual with the dominant phenotype but of unknown genotype (either homozygous or heterozygous) with a homozygous recessive individual. If the unknown is heterozygous for a trait, then approximately half of the offspring will display the recessive phenotype. If all the offspring carry dominant phenotype, Then the unknown genotype is homozygous.

4 0
3 years ago
Which characteristic could be observed in an organism classified in kingdom protista
kicyunya [14]
The correct option is B.
The kingdom protista is made up of living organisms which can not be classified as plant, animal or fungus. They have eukaryotic cells and they are mostly unicellular, although, some of them such as kelp are multi cellular. A group of the organism in the kingdom called dinoflagellates have a pair of flagella of unequal lengths which which they move about in their aquatic habitat.<span />
8 0
3 years ago
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