Biology High School

True or False: After a muscle fiber contracts, it needs a brief period to recover before contracting again.

True Or False: After A Muscle Fiber Contracts, It Needs A Brief Period To Recover Before Contracting

Answers

Answer 1

Answer:

True

Explanation: is correct/post protected

Answer 2
Correct. Because it has to have a break, it can’t always be going on and on

Related Questions

PLEASE HELP WILL GIVE BRAINLIEST IF CORRECT

Which physical adaptations increase a plant's chances of survival in a wet environment? (Select 2 correct answers.)

□ having waxy leaves

□ having swollen trunks

□ having deep roots to survive fires

□ having roots that grow above ground

Answers

Answer:

I think 1 = having waxy leaves and 4 = having roots that grow above ground

Explanation:

Not Sure how to explain.

In an ecosystem, the  physical adaptation which increases a plant's chances of survival in a wet environment is having waxy leaves as it will not allow water to accumulate on the leaves.

What is an ecosystem?

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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which evidence is consistent with the endosymbiotic hypothesis for the origin of the mitochondrion?

Answers

Bacteria, a prokaryote, has circular DNA, as do mitochondria and chloroplasts. This provides support for the Endosymbiotic Theory, which states that the mitochondria and chloroplast in eukaryotic cells were once aerobic bacteria (prokaryote) that were ingested by a large anaerobic bacteria (prokaryote).

Multiple Choice Question Genes, which contain trait specifying information, are located on ______. Multiple choice question. ribosomes nucleotides chromosomes proteins

Answers

Chromosomes is a gene that contain trait specifying information

Genes are made up of DNA and its is the basic unit of hereditary. It contains the traits which are passed down from parents to offspring's.

Genes are arranged in structures called chromosomes. A chromosome corresponds to a single gene and it contains the trait specifying information.

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Which pathogen is most likely responsible for causing hoof-and-mouth disease in livestock?

Answers

Answer:

Coxsackievirus A16

what structure marks the superior end of the spinal cord?

Answers

Answer: Lumbar and sacral nerves travel nearly vertically down the spinal canal to reach their exiting foramen. The spinal cord ends at the intervertebral disc between the first and second lumbar vertebrae as a tapered structure called the conus medullaris, consisting of sacral spinal cord segments.

Explanation:

using half life and the time you just calculated how old is a chicken fossil?

Answers

Answer:

66 million years ago

Explanation:

The age of dinosaurs, has been discovered. The tiny fossil, nicknamed the "wonderchicken," includes a complete skull hidden inside pieces of rock, and dates to more than 66 million years ago.

Answer:  Now that you know how many half-lives have passed for your fossil, you need to multiply your number of half-lives by how many years are in one half-life. This gives you an age of 2 x 5730 = 11,460 years.

Explanation:

When would a point mutation occur?



A - it can occur after cell division

B - before the cell divides

C - after the cell diides

D - before DNA replication

Answers

Answer:

C - after the cell diides

Explanation:

Answer:

The answer is C

Explanation:

I took the quiz!

neuroglia that produce myelin insulation in the cns are

Answers

Oligodendrocytes ; is the correct answer

A species name is based on descriptions of:
A genetics and geography
B morphology and genetics
C morphology and coloration
D geography and coloration

Answers

Answer:

B morphology and genetics

Explanation:

sorry if I'm wrong

a ____ is destruction of the brain tissue caused by lack of blood flow to the brain.

Answers

Answer:

A stroke

Explanation:

5: Q: Why aren't all offspring from the same two parents identical?

Answers

Answer:

because all offspring are not same function in parent identical

DMD is a disease that is carried form one gene to another who is the carrier of the genetic disease

Answers

Answer:

DMD is inherited as an X-linked disease. X-linked genetic disorders are conditions caused by an abnormal gene on the X chromosome and manifest mostly in males. Females that have a defective gene present on one of their X chromosomes are carriers for that disorder.

Explanation:

this is the correct answer happy

3.
Which of the following is not part of the cell
a. Integral Protein
b. Phospholipid
C.
Nucleic Acid
d. Carbohydrate

Answers

Answer:

Phospholipid

Explanation:

Where did the Chicxulub asteroid land?

Answers

Answer: where did the asteroid that killed the dinosaurs land The Chicxulub crater (/ ˈ tʃ iː k ʃ ʊ l uː b /; Mayan: [tʃʼikʃuluɓ]) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is located offshore near the town of Chicxulub, after which the crater is named.

Explanation:

6. Nuclear power plants produce no
but they do generate

Answers

Answer:

Nuclear power plants produce no carbon dioxide emissions, but they do generate greenhouse gasses.

:)

Nuclear power plants produce no greenhouse gases, such as carbon dioxide and methane, which are responsible for global warming and climate change. However, they do generate nuclear waste.

What are nuclear power plants?

Nuclear power plants generate electricity by using the heat produced by nuclear fission reactions to boil water and produce steam. This steam then drives turbines, which generate electricity. While nuclear power plants do not produce greenhouse gases or other air pollutants, they do generate nuclear waste, which is radioactive and requires special handling and storage to prevent harm to human health and the environment. Nuclear accidents, while rare, can also have catastrophic consequences, as demonstrated by the Chernobyl disasters.

Hence, nuclear power plants produce no greenhouse gases, such as carbon dioxide and methane, which are responsible for global warming and climate change. However, they do generate nuclear waste.

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When proteins are metabolized in the body, the average caloric value is estimated to be ____ kcal/g.

Answers

Answer:

4.2

Explanation:

a countercurrent heat exchanger enables an animal to

Answers

Some animals have adaptions to their circulatory system that enable them to transfer heat from arteries to veins, warming blood returning to the heart. This is called a countercurrent heat exchange; it prevents cold venous blood from cooling the heart and other internal organs.

which protein makes up the thick filaments of a myofibril?

Answers

Answer:

Myosin Makes up the thick filaments of a Myofibril.

Hope It Helps .....

Jackrabbit
lives in very
hot desert.
Ears cool it off
How do they use their large ears?

Answers

Answer:

Explanation:

His massive ears are filled with blood vessels, and because they are so close to the skin, heat dissipates from them. As his blood circulates inside the ears, it cools before circulating back to the body.

When an injury occurs, capillaries and tissue cells may rupture and release which of the following?
Neutrophils
Macrophages
*Bradykinin
Plasma proteins

Answers

Answer:

Bradykinin is correct

Explanation:

Which of the following steps in wastewater treatment is an example of biotechnology?

I. Microorganisms are added to feed on solids in wastewater
II. Bar screening is used to separate solid wastes from liquid wastes
III. Primary clarifiers separate solids and liquid wastewater

I only
I and III
III only
I, II, and III

Answers

| and |||

hope it helps

#carry on learning

Answer:

A. I only

Explanation:

Microorganisms living in groundwater are constantly consuming dangerous chemicals and lots of organic materials. This process is called bioremediation, which is known to break down pollutants that could be useful in the treatment of wastewater.

State 4 economic importance of meat​

Answers

Answer:

The meat industry may also be an important component of the export sector, generating not only valuable foreign exchange but also savings through import substitution. Meat production therefore provides the opportunity for converting non-exportable resources into an important component of the national economy.Meat production is an important part of the world economy with important contributions to local, national, and international trade. There may be multiple paths to the future of meat production.The American Meat Institute released a new economic impact study in June that shows the nation's meat and poultry industry contributes roughly $832 billion, nearly 6% of total gross domestic product, to the U.S. economy, along with nearly 6.2 million jobs and $200 billion in wages and benefits.

Answer:

The most frequently asked question in a broiler operation is which breed should be used? Integrators tried multiple breeds in their operation and now they have the results . Unfortunately these results most of the time only consist of average daily gain, feed conversion ratios, and mortality. They less often go into any detail about the different yield values they have got in the testing process or even what their product mix consists of. These things are just as important if not more economically than the live factors that go into choosing a breed for an operation.

Of course there are some countries with very large live bird markets and a few countries where the industry is not vertically integrated, and in those situations the meat yield difference of one breed versus another may not be very important. In most poultry markets around the world, however, the end product is meat and the economic factor driving the company is profit per pound or kilogram! Here, a good combination of live performance and meat yield are critical in analysing the most profitable breed for each specific company based on their needs for their product mix.

Based on this phylogeny, the archosaurs are a ______. Multiple choice question. monophyletic group polyphyletic group paraphyletic group

Answers

Based upon what we know of phylogeny, we can confirm that archosaurs are considered to be a monophyletic grouping.

Placing a species into the monophyletic grouping indicates that the species in question is among a group of species that all derive from a common ancestor. Therefore, a monophyletic group contains a common ancestor and all of its direct descendants. Studies have shown this to be the case for the archosaurs.

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Proteins are polymers constructed from ________ monomers. nucleotide monosaccharide amino acid fatty acid

Answers

the answer is amino acid
Amino acids C c c d

Mining has been called "the most dangerous job in the world." While mining deaths in the United States have declined in number because of increased safety equipment, deaths and injuries still occur. What kinds of mining accidents can endanger those who work in the mines?

Answers

Answer:

Roof collapse,

Runaway mining cars,

Illnesses from mining,

Longwall shed collapse, and.

Lack of safety equipment.

Explanation:

accidents, dust (including poisoning by certain ores), high temperature and humidity, noise and vibration, toxic gases, and miscellaneous other hazards.

Someone plz help me :(

Answers

A. Warm air rises

Explanation:

Warm air is less dense than cold air so it rises

A. Warm air rises

Hot air is less dense than cold air, which is why cold air sinks because it absorbs less energy than warm air.

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Within which galaxy does the Sun and its solar system belong?

Answers

The Milky Way also contains two significant minor arms, as well as two smaller spurs. One of the spurs, known as the Orion Arm, contains the sun and the solar system. The Orion arm is located between two major arms, Perseus and Sagittarius. The Milky Way does not sit still, but is constantly rotating

Weathering breaks rock into pieces called

Answers

Answer:

sediment

Explanation:

The processes we observe today such as weathering, erosion, and
deposition, probably acted in the same way millions of years ago,
producing sedimentary rock. *
O True
O False

Answers

Answer:

True

Explanation:

Which type of blood vessel contains blood at the highest pressure?
veins
arteries
capillaries
shunts

Answers

Arteries have the highest blood pressure since it comes directly from the heart.
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