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olasank [31]
3 years ago
14

What is the name of a contracting unit of skeletal muscle?

Biology
1 answer:
Sergio039 [100]3 years ago
5 0
I believe it's called the sarcomere
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What is the difference between a phenotype and a genotype
Elden [556K]
A phenotype is the physical appearance of a characteristic.
A genotype is the code for that characteristic.  
7 0
3 years ago
one gene in a population of snails determines whether they are poisonous. being poisonous (P) is dominant over not being poisono
Harlamova29_29 [7]

Answer:

F (pp) = 0.04

F (Pp) = 0.32

F (PP) = 0.64

Explanation:

Studying population genetics, we used the Hardy-Weinberg equilibrium model. In the case of snails, the H-W principle predicts that the total number of cases in the population should follow the following equation: PP + 2.Pp + pp = 200.

If a population has 200 snails and 8 are affected by a recessive condition, we have 4% affected, or 0.04.

This means that 0.04 corresponds to p², and p corresponds to 0.2.

Therefore, P is equal to 0.8 because p + P = 1.

Knowing the allele frequencies, we go to the frequency of the genotypes.

F (pp) = p² = 0.04 = 8 snails

F (Pp) = 2.Pp = 0.32 = 64 snails

F (PP) = P² = 0.64 = 128 snails

7 0
3 years ago
A 10-year-old child diagnosed with acute glomerulonephritis is admitted to the pediatric unit. the nurse should ensure that whic
Sati [7]
If a 10 year old child is diagnosed with acute glomerulonephritis and admitted to the pediatric unit, the nurse should TAKE THE VITAL SIGNS EVERY 4 HOURS AND OBTAIN THE DAILY WEIGHT OF THE CHILD.

Glomerulonephritis is a disease of kidney where the glomeruli are injured. It is very important to take measure the vital signs such as taking blood pressure of the child because in this disease acute renal failure might occur that hampers the vital functions of the body. Weighing the child everyday is also important because this helps to know the fluid status in the body.
3 0
3 years ago
The skin mainly protects the body against infection by what
Ivanshal [37]
It is like a barrier, or wall. It helps infection and bacteria stay out. It can also help you indicate whether you are getting infection in the inside of your body. if you're skin is inflamed, that is a sign of disease or infection.

I hope this helped you!

Brainliest answer is always appreciated!<span />
6 0
3 years ago
Read 2 more answers
Mendel crossed peas having round seeds and yellow cotyledons (seed leaves) with peas having wrinkled seeds and green cotyledons.
Kruka [31]

Answer:

Let:

Y = Yellow           R = Round

y = green             r = Wrinkled

If you look at the F1 generation, all the plants are round and yellow, so these are the dominant traits and each offspring is heterozygous for both traits. The cross for the F2 generation would then be:

<em>YyRr x YyRr</em>

In a Punnett it would look like the attached picture.

For the forked-line diagram, first you will need to know the gentypes and ratio of each trait in a monohybrid cross. Select one trait, and then branch each gentype to the next trait, linking it with each possible genotype combination of the monohybrid cross.

Attached is a picture of the Forked Branch diagram for this cross.

7 0
3 years ago
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