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Dmitrij [34]
1 year ago
12

An increase in the calcium ion level in the sarcoplasm starts the sliding of the thin filaments. When the level of calcium ions

declines, what happens to the sarcoplasm?
Biology
1 answer:
Scilla [17]1 year ago
8 0

Answer:

When the level of calcium ions declines the sarcoplasm stops the sliding.

Explanation:

Sarcoplasm can be described as the cytoplasm for the cells of muscles. It contains important structures such as the myofibrils.

The following steps would occur when the level of calcium ions would decline:

The sarcoplasm would stop the sliding of the thin filaments.

The actin filaments would be migrated in the M line

This would lead the bands in the I region to shorten.

The Z region would compress.

The H region would diminish.

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Coat color in a dog breed is determined by incomplete dominance where three colors are produced (Brown, tan and white), and the
8_murik_8 [283]

Genotypes of the dog color are:

BB dominant homozygous-brown phenotype

bb recessive homozygous-white phenotype

Bb heterozygous-tan phenotype

Cross between brown and pan dog would be:

P: BB x Bb

F1: BB  Bb  BB  Bb

The ratio would be 1:1 (brown dog:pan dog).


4 0
2 years ago
Why is the caloric value of some sugar alcohols less than 4 kcal/g? a. They cannot be transported into the mitochondria. b. None
avanturin [10]

Answer:

Option-C

Explanation:

The sugar alcohols are the carbohydrates which are neither considered sugars nor alcohols but they partially resemble the structure of both of these sugars and alcohol.

The sugar alcohols are naturally present in the vegetables and fruits but they are also artificially synthesised like xylitol, lactitol, mannitol and others.

They are considered the alternative from of sugar but they provide less energy as compared to carbohydrates like they provide about 0-3 kcal per gram whereas sugar provides 4 kcal per gram.

This difference is due to the reason that they are not completely absorbed by the human body and also they are incompletely metabolized therefore provide less energy.

Thus, Option-C is the correct answer.

5 0
1 year ago
If a sudden outbreak of disease severely reduced the number of coyotes in an ecosystem very rapidly, what might the resulting ch
Nikitich [7]

Answer:

Over population

Explanation:

With the coyotes gone, they're prey will have little to no predators. Without their numbers decreasing as quickly (because of the coyote population drop) they will be able to repopulate quicker and less of them will die. This will lead to over population.

6 0
2 years ago
There are an estimated 11,025 trees of species A in an area of 3,150 hectares. What is the population density of the tree specie
slava [35]
<span>To find the number of trees per hectare, simply divide the two figures together. 11,025 (the number of trees) divided by 3,150 (the number of overall hectares in the plot of land) gives a value of 3.5 trees per hectare.</span>
5 0
1 year ago
Read 2 more answers
01. Why are the birds discussed in this lab called Darwin's finches?​
lapo4ka [179]

Answer: The question is is incomplete, here are the options.

A.Loonand O Charles Darwin named them Geospiza leodarwini in honor of his son Leonard.

B. They come from the Darwin archipelago off the coast of Ecuador C. C. Charles Darwin collected the first scientific specimens.

D.John Gould placed them in the genus Darwinospiza

Correct option is C.

Explanation:

Charles Darwin collected the first scientific specimens.

Darwin's finches play vital role in the development of Darwin's theory of evolution and natural selection. This is because the birds called Darwin's finished have variable size and shape making them important for the development of the theory.

Theory of natural selection and evolution which was developed by Darwin states that organisms changes over time as a result in variation in it's characteristics or behavioral traits to survive , adapt and reproduce in it's environment.

8 0
2 years ago
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