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andre [41]
2 years ago
12

What causes the striated appearance of skeletal muscle fibers quizlet

SAT
1 answer:
Airida [17]2 years ago
7 0

The Skeletal muscle tissue has a striated appearance due to repetitive bands of the proteins actin and myosin that run the length of myofibrils.

Dark A light and bands I bands repeat along myofibrils, and myofibril alignment causes the entire cell to seem striated or banded.

<h3>What is a striated appearance?</h3>

Striated muscle tissue is made up of repeated functional units known as sarcomeres.

Sarcomeres are evident as a series of bands along the muscle fibers, which is responsible for the striated appearance seen in microscopic photographs of this tissue.

Learn more about Skeletal muscle tissues at;
brainly.com/question/12252128
#SPJ1

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You are less likely to see a total solar eclipse than a total lunar eclipse because
Evgesh-ka [11]

I think the answer is d. the moon's umbra only covers a small area on earths surface.

6 0
3 years ago
For a monopolist, if price is above average total cost, the monopolist is quizlet
Keith_Richards [23]

For a monopolist, if price is above average total cost, the monopolist is:

  • Earning positive or economic profit

<h3>What is positive profit?</h3>

A positive profit is earned when the revenue being made surpasses what is normal on the competitive scale. The cost of production is covered and surpassed in this case.

So when the monopolist fixes his price above the total cost, he will earn a positive profit.

Learn more about positive profit here:

brainly.com/question/1305349

#SPJ1

4 0
2 years ago
A machine is used to fill bags with a popular brand of trail mix.
lorasvet [3.4K]

The least weight of a bag in the top 5 percent of the distribution is; 246

From the complete question below, we are given;

Population mean; μ = 240

Population standard deviation; σ = 3

Z-score formula is;

z = (x' - μ)/σ

  • Now, we want to find the least weight in the top 5 of the distribution and as such we will use;

1 - 0.05/2 = 0.025 as significance level

Z-score at significance level of 0.025 is 1.96

Thus;

1.96 = (x' - 240)/3

3 × 1.96 = x' - 240

x' = 240 + 5.88

x' = 245.88

Approximating to a whole number gives;

x' = 246

Complete question is;

A machine is used to fill bags with a popular brand of trail mix. The machine is calibrated so the distribution of the weights of the bags of trail mix is normal, with mean 240 grams and standard deviation 3 grams. Of the following, which is the least weight of a bag in the top 5 percent of the distribution?

Read more about z-score at; brainly.com/question/25638875

6 0
3 years ago
Discuss what it means to internalise rules ,values ,how adults and teachers can help learners to do this ?​
max2010maxim [7]
  • When a person is said to internalise a value, it simply means that those values have become a part of that person and it is integrated as part of his value system.

  • In schools, teachers try to internalise the good values in children such as respect, obedience, hard work, morality, etc.

  • A teacher or another adult can do this in a kid by teaching them how to say please when they want something, thank you when they want to show appreciation and sorry when they offer an apology.

  • Learners can do this by positively reinforcing good values and punishing bad values in children.

Read more here:

brainly.com/question/13477762

4 0
2 years ago
The author indicates that caloric reduction extends the life of a mammalian cell by
elena-s [515]
<span>initiating a series of steps that result in the increased production of certain enzymes</span>
5 0
3 years ago
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