Answer:
A.
Explanation:
Synergist muscles are those muscles in body that helps or are responsible to help the same set of joint in action. They tend to serve as agonist. This muscles helps to act or produce action around a moveable joint.
An example of synergist muscle is biceps brachii that helps to perform actions in forearm flexion. a synergist can also serve as a fixator at the muscles origin.
Therefore, the correctanswer is option A.
Which statement best describes the explanatory powers of hypotheses and theories? A hypothesis does not provide an explanation but instead only predicts what may happen. A theory does not provide an explanation but instead only predicts what may happen. The explanation given by a theory is well tested and supported by many observations and hypotheses. The explanation given by a hypothesis is well tested and supported by many observations and theories.
Answer:
. The explanation given by a theory is well tested and supported by many observations and hypotheses.
Explanation:
A theory is a scientific explanation for a given phenomenon. The explanation provided by a theory are usually derived from a well tested hypothesis and experiment.
A hypothesis is a scientific guess of phenomenon. It is upon the hypothesis that most experiments are predicated.
Before a theory is developed from a hypotheses, it must be well tested and proven to be true.
For the people that are too lazy to read the first option, the answer is c.
(hope this helps, and please mark the other person brainliest ^^)
What is the difference between material resources and energy resources??
What happened if diaphragm is damaged?
a.
Which of the following is not true about the taiga biome?
The taiga biome has four distinct seasons.
b. It is characterized by the presence of coniferous trees.
It is the largest biome in the world.
d. It is located below the tundra in North America, Europe, and Asia
C.
Answer:
A. The taiga biome has four distinct seasons.
Explanation:
The taiga biome has TWO distinct seasons, winter and summer.
they are right!!!!!!!!!!
Does soccer ball not moving has energy?
Answer:
No, it still has energy. The energy is just being conserved.
A student identifies the following parts of a cell.
1. cell wall
2. RNA
3. mitochondrion
4. ribosome
The presence of which structure allows the student to conclude that this is a eukaryotic cell?
Structure 1
Structure 2
Structure 3
Structure 4
Answer:
mitochondrion becoz it is a membrane bounded organelle which is only present in eukaryotic cell
Answer: the answer is 3. mitochondrion i just took the test
Explanation: hope this helped thx for the points :D
Please Help :) - A news magazine article reports that "because plant feedstock used to produce biofuels absorbs carbon dioxide from the atmosphere, biofuels are oftentimes carbon neutral."
What assumption underlies this claim?
A. that biofuels are renewable energy sources
B.that the combustion of biofuels does not emit any carbon dioxide
C.that biofuels are a more sustainable energy source than solar or wind
B. that lands cleared for biofuel crops did not store more carbon in their natural states
Match the word with the definition!
Help please
Answer:
Cloud of ash rock and gas that speeds down a volcano
Lahar- A flood of water, ash, and rock
Cinder Cone Volcano- Composed of cinders, shaped like a cone
Shield volcano- A flat and broad volcano with mild eruptions
Composite Volcano- A tall volcano with explosive eruptions
Explanation:
PLZ HELP I HAVE NO IDEA
Question 12 (Mandatory) (3 points)
This organelle stores and protects most of the cell's DNA.
A. Golgi body
B. cell wall
C. nucleus
D. cytoplasm
What best defines an extensive property of a substance?
Answer:
measurable and observable
Explanation:
Explain how switching off water supply would affect the industries that depend on water
Explanation:
Access to a fresh water supply is affected by the following factors.
Climate. Low levels of rainfall and high temperatures lead to water deficits . ...
Geology. Rainfall flows down to the rocks beneath the ground. ...
Pollution. ...
Over-abstraction. ...
Limited infrastructures. ...
Poverty. ...
Politics. ...
Impacts on water insecurity.
All of the following are examples of regulating services except
Which of the following is the current era?
O A. Paleozoic
O B. Mesozoic
O C. Precambrian
O D. Cenozoic
Answer:
Cenozoic era refers to the geological time period that extends from 65 million years ago to present-day.
The current era is Cenozoic era. Therefore, option (D) is correct.
What is Cenozoic era?The Cenozoic era started around 66 million years ago and is also known as the Age of Mammals because it is characterized by the diversification and dominance of mammalian life on Earth during that time. The Cenozoic era began around 66 million years ago. Following the Mesozoic era, also known as the Age of Dinosaurs, and the Paleozoic era, which came before it, the Cenozoic era is the third and most recent era of the Phanerozoic Eon (Age of Invertebrates).
The Cenozoic era can be further subdivided into three distinct periods: the Paleogene, the Neogene, and the Quaternary. The Quaternary period, which began approximately 2.6 million years ago and is characterized by the occurrence of ice ages and the evolution of early humans, is the period in which we are currently living..
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Why do our bodies rearrange the food we eat and the oxygen we breathe (O2) into carbon dioxide (CO2) and water (H2O)?
a
In order to release the energy found in food.
b
In order to eliminate the calories found in food.
c
In order to remove excess water in the body.
d
In order to release the matter found in food.
Answer:
A. in order to release the energy found in food.
Explanation:
Every cell in your body needs oxygen to function. You get the oxygen your cells need from the air you breathe. The air you breathe is made up of 20 percent oxygen. The rest of the air is mostly nitrogen (79%). Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs. This is very similar to wood burning in a fire. As the wood burns, it combines with oxygen and releases heat energy and carbon dioxide. When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released. But instead of heat energy, much of the energy produced in cellular respiration is stored chemically for the cell to use later. Carbon dioxide is the waste product of cellular respiration that you breathe out each time you breathe. Blood picks up oxygen and releases carbon dioxide in the lungs. The opposite takes place in the cells where the blood releases oxygen and picks up carbon dioxide.
Cells without a cell wall will form a_________to separate the cytoplasm in cytokinesis, while cells with a cell wall will form a ________to separate the cytoplasm in cytokinesis
Answer:
Contractile ring, sterols
Explanation:
In cells such as animal cells that lack cell walls, cytokinesis follows the onset of anaphase. A contractile ring composed of actin filaments forms just inside the plasma membrane at the former metaphase plate. The actin filaments pull the equator of the cell inward, forming a fissure.
Examples of bacteria that lack a cell wall are Mycoplasma and L-form bacteria. Mycoplasma is an important cause of disease in animals and is not affected by antibiotic treatments that target cell wall synthesis. Mycoplasma acquire cholesterol from the environment and form sterols to build their cytoplasmic membrane.
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Cells without a cell wall will form a furrow to separate the cytoplasm in cytokinesis, while cells with a cell wall will form a cell plate to separate the cytoplasm in cytokinesis, as the cell division of the plant is different from the animal.
What is the significance of the cell wall?It has the structural components of the plant cell that surround the cell membrane of many types of cells and a protective barrier that supports and maintains the shape of the cell, and due to its rigidity, the cleavage furrow does not form but the cell plate is formed.
Hence, cells without a cell wall will form a furrow to separate the cytoplasm in cytokinesis, while cells with a cell wall will form a cell plate to separate the cytoplasm in cytokinesis, as the cell division of the plant is different from the animal.
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How has ocean exploration increased human understanding of aquatic ecosystems?
Answer: As humans have explored the oceans through time, they have been able to view aquatic organisms in their native habitats. They have been able to witness the interactions of aquatic organisms and learn more about the abiotic factors that govern these ecosystems as well.
Explanation:
Ocean exploration has increased human understanding of aquatic ecosystems through the observation of the interaction of aquatic organisms and their environment.
What is ocean exploration?Ocean exploration is a part of oceanography describing the exploration of ocean surfaces.
The ocean exploration has given humans the opportunity to study aquatic organisms in their natural habitants. These scientist study the interaction of the these aquatic organism with their environment (ecosystem).
Thus, ocean exploration has increased human understanding of aquatic ecosystems through the observation of the interaction of aquatic organisms and their environment.
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In order to carry out the functions of life, organism must
Answer:
Take in energy
Explanation:
Energy is need by all organism to carry out all functions of life. Energy is defined as the ability to do work.
Every organisms main goal is to find energy which they can use for all of their living processes.
For producers such as plants, they use inorganic substances from the environment to manufacture their own food. Consumers such as animals rely on the organic matter of plants and even other animals to manufacture their food for energy production. Decomposers feed on dead organisms in order to source for energy.17. When table salt (NaCl) is produced, which of the following best describes the actions of
the sodium (Na) and chlorine (CI) atoms?
A. Sodium atoms replace chlorine atoms.
B. Sodium and chlorine atoms mix together.
C. Sodium atoms dissolve in chlorine atoms.
D. Sodium and chlorine atoms bond chemically.
Answer:
DExplanation:
this is because according to me Na is a mental and Cl is non metal so when and
Answer:D
Explanation:
What is the cellular mechanism of tuberculosis? (Explain)
what's the answer to this?
Answer:
Explanation:Its going to end with a decimal
{20 points} (brainliest) please help <33
Maria's body temperature is 98.3 °F on average, but varies from 98.0 to 98.6 °F throughout the day. What are 98.3 °F and 98.0–98.6 °F, respectively, for Maria's body temperature?
A. Negative feedback and positive feedback
B. Positive feedback and negative feedback
C. Normal range and set point
D. Set point and normal range
The temperature of 98.3°F of Maria's body is called as a set point, while the temperature of 98.0-98.6°F is called as normal range.
What do you mean by Temperature?The temperature may be defined as the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius.
The normal temperature of humans ranges from 98 - 99°F approximately. At this temperature, all the enzymes in the body of human functions properly and effectively. Above this temperature, one shall be considered under a fever state.
Therefore, the temperature of 98.3°F of Maria's body is called as a set point, while the temperature of 98.0-98.6°F is called as normal range.
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PLS HELP I DONT UNDERSTAND :( WILL GIVE BRAINLIEST + 25 POINTS!!! :D
Answer:
I think its the last one
what do u think a planet would need to support life? HELP ITS DUE TODAY
Answer:
it requires that the planet to have liquid water.to detect this water from space it must be on the planet's surface
Which characterization accurately describes BOTH regular fossils and index fossils?
(A) Both kinds of fossils are found only on the floor of the ocean.
(B)
Both kinds of fossils are used to define periods in geologic time.
(C)
Both kinds of fossils are distinctive and widespread.
(D)
Both kinds of fossils have information about the time period they came from.
Answer:
D
Explanation:
Fossils tell us where they came from.
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Which statement describes the relationship between transcription and translation? The proteins made during transcription are used to make RNA during translation. The proteins made during transcription are used to make DNA during translation. The RNA made during transcription is used to make proteins during translation. The DNA made during transcription is used to make proteins during translation.
Answer: C, The RNA made during transcription Is used to make proteins during translation.
Explanation:
Just answered this question
The statement that best describes the relationship between transcription and translation is as follows:
The RNA made during transcription is used to make proteins during translation.Thus, the correct option for this question is C.
What is Transcription?Transcription may be defined as the process through which the information encoded within a DNA strand is copied into a new molecule which is known as messenger RNA (mRNA). The process of transcription takes place in the nucleus of the cell.
While translation is the process through which the information encoded within the molecules of messenger mRNA stimulates the production of amino acids during protein synthesis. The process of translation takes place in the cytoplasm of the cell.
Therefore, the RNA (mRNA) made during transcription is utilized in order to make proteins during translation is a statement that best describes the relationship between transcription and translation.
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Convection currents, resulting from uneven heating of the Earth's surface, cause _______ to form.
A. volcanoes
B. wind
C. fossils
D. mountains
Answer:
the answers wind
Explanation:
Please help me in biology. (Worth 50 points)
Answer:
??????
Explanation:
??????
How can apoptosis be defined?
Cell death
Cell growth
O Complete mitosis
O Incomplete mitosis
Answer:
It would be cell death.
Some solutes move freely across cell membranes, while other solutes require
assistance from special gates. Passive transport and active transport are methods of
moving solutes across cell membranes.
Which of the following accurately describes the difference between passive transport
and active transport?
A Passive transport can move molecules both in and out of a cell, but active transport
cannot.
B Passive transport works against a concentration gradient, but active transport does
not.
C Passive transport does not require energy, but active transport does.
D Passive transport requires carrier proteins, but active transport does not.
Answer: C Passive transport does not require energy, but active transport does