what chemical elements are considered the building blocks of life? astrobiologists have been searching for signs of life on mars by looking for chemical substances such as carbon, water, nitrogen, phosphorous, and other building blocks of life.

Answers

Answer 1

With a single rover bigger than both the Viking landers transferred to Mars in the 1970s, Mars Science Laboratory looks for chemical rudiments that are the structure blocks of life.

These structure blocks include six rudiments necessary to all life on Earth: carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulphur. Life requires small quantities of other rudiments, similar as iron, along with sources of energy. On Earth, this energy comes from the sun or from electrons moving back and forth between rudiments and composites in nature. Life also requires a stable enough terrain to get a base without being cancelled by natural hazards similar to stormy explosions or inordinate ultraviolet radiation. The Mars Science Laboratory is studying carbon and water cycles on the earth through its history. That is, it seeks to determine in what form quantum carbon and water is stored on the earth or in its atmosphere and how that may have changed through time.

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Related Questions

what's the answer??​

what's the answer??

Answers

Electrical and mechanical energy. The reason that is because it is a mechanism that you flip. And electrical because it needs electrify to have on

choose five word roots related to a part of the body. add different prefixes and/or suffixes to the word root to create at least three different terms for each body part.

Answers

Body parts and their word roots.

The human body is composed of several parts that serve various functions.

In the medical field, many words are used to describe different body parts, which can help one to understand various conditions and diseases.

Below are some of the common word roots related to parts of the body.

1. Crani- (skull) Craniology, Craniometry, Cranioscopy

2. Cardio- (heart) Cardiology, Cardiovascular, Cardiothoracic

3. Derma- (skin) Dermatology, Dermatosis, Dermatomyositis

4. Gastro- (stomach) Gastroscopy, Gastroenterology, Gastroesophageal

5. Osteo- (bone) Osteomyelitis, Osteoporosis, Osteomalacia

Body parts and their prefixes and/or suffixes:

Prefixes are letters added to the beginning of a word root to change its meaning. For instance, pre- is a prefix that means before, as in prehistoric.

Suffixes are letters added to the end of a word root to change its meaning. For example, -tion is a suffix that turns the verb into a noun, as in action.

1. Crani- (skull) Decraniated, Hypercrania, Craniocerebral

2. Cardio- (heart) Cardioverter, Cardioversion, Cardiomegaly

3. Derma- (skin) Dermatopathy, Dermatologist, Dermatogenic

4. Gastro- (stomach) Gastritis, Gastroscopy, Gastrology

5. Osteo- (bone) Osteocyte, Osteoblast, Osteopathy

Note that the word roots are listed first, and different prefixes and suffixes are used to create the other terms.

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Question 4
Blood sugar homeostasis plays an important role in our health and well-being. If
blood sugar levels get too low or high, there are serious health complications that
can result. Which two body systems regulate blood sugar levels? Click on the correct
answers.

Select 2 correct answer(s)

A-Nervous System
B-Musculoskeletal System
C-Respiratory System
D-Digestive System

Answers

Nervous and digestive system

What kind of system is the coffee cup calorimeter considered, and what does that mean in terms of energy transfer? o АА A BI U s Tx 2 ini Why is it important to determine the heat capacity of the calorimeter? o A A- В. 1 U s Tx 22

Answers

The coffee cup calorimeter is considered an isolated system. In terms of energy transfer, this means that there is no heat exchange between the system and its surroundings.

The heat capacity of a calorimeter is the amount of heat energy required to raise its temperature by 1°C. It is important to determine the heat capacity of the calorimeter because it allows the accurate measurement of heat transfer in chemical reactions.

By measuring the heat capacity of the calorimeter, one can account for the heat absorbed by the calorimeter itself during the reaction and obtain the correct enthalpy change

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Endosymbiotic theory provides an explanation of how the first eukaryotic cells may have formed and why DNA can be found in the organelles inside the cells. What does this theory suggests?

Eukaryotes were much larger cells that took over the food supply and resources.

Eukaryotes were very similar to the early bacteria just a little larger in size.

Eukaryotes consumed photosynthetic bacteria and made them part of the make up of the cell,

Bacteria fused together to make a larger cell that contained more DNA.

Answers

Answer:

Hey buddy!

Explanation:

The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission. Mitochondria and chloroplasts have their own DNA which is circular, not linear.

hope u mark me as brainalist

Question 2 of 9
Which object made of one or more smaller units would make the best model
of a group of cells from a plant?

Question 2 of 9Which object made of one or more smaller units would make the best modelof a group of

Answers

Answer:

A.

Explanation:

It shows a clear view of what a group of cells of a plant would be like.

Answer: If there was a metal filing cabinet, then that was my answer to my end.

Explanation: I got it wrong so that is how i got my answer.

Scientists at the National Oceanic and Atmospheric Administration (NOAA) use mathematical computer-based models to help manage marine ecosystems. These models can put together many pieces of information about an area, such as

weather data ocean currents, food web Interactions, and natural resources. What is a likely limitation in the use of this type of model?

A. The model does not predict energy flow

B.The model will not predict future weather patterns

C. The model cannot simulate the results of conservation effort

D. The model will only be as accurate as the data that is entered into the software

Answers

Answer:

A). The model does not predict energy flow.

Explanation:

As per the given details, the most probable constraint of using 'numerical computer-built models' would be their 'inability to forecast the energy that is flowing throughout the ecosystem.' However, they assist in offering collected information at the same time yet its failure to predict the actual amount of energy flowing that will lead to a failure to predict if the ecological balance is being maintained or not. As a result, some organisms may be deprived of the appropriate food to ensure their survival and their existence on this planet might be under threat. Thus, this is the limitation of using such-technology based models and hence, option A is the correct answer.

Maxwell is evaluating the chemical equation shown below. (Note: The same equation is described in both words and chemical formulas.) glucose + oxygen → carbon dioxide + water C6H12O6 + 6O2 → 6CO2 + 6H2O Which statement is most useful for Maxwell to include in his evaluation?
A. The equation describes the process of photosynthesis that occurs in plants and green algae when light is present.
B. The equation describes both the processes of cellular respiration and fermentation, both of which occur in all organisms.
C. The equation describes the process of cellular respiration that occurs in many organisms when oxygen is available.
D. The equation describes both the processes of cellular respiration and photosynthesis, one of which occurs in all organisms.

Answers

Answer:

C. The equation describes the process of cellular respiration that occurs in many organisms when oxygen is available.

Explanation:

The given equation strictly describes the process of cellular respiration that occurs in many organisms when oxygen is available.

This is known as aerobic respiration.

In this process, oxygen gas combines with glucose in series of metabolic step ways. This in turn liberates energy for use by the body. The waste product is usually oxygen gas and carbon dioxide. The carbon dioxide is release into the environment.

what prevents coral reefs from surviving below the euphotic zone? group of answer choices high water density high pressure inadequate sunlight saline water damage from storms

Answers

Inadequate sunlight prevents coral reefs from surviving below the euphotic zone.

The majority of coral reefs are found nearby in shallow water. Due of this, they are particularly susceptible to the negative consequences of human activity, both directly via the exploitation of reef resources and indirectly through the effects of nearby human activities on land and in the coastal zone. The social, cultural, and economic fabric of local coastal communities is intricately intertwined with many of the human activities that harm coral reefs.

Numerous local risks to coral reefs exist, such as:

Physical harm or devastation caused by recreational overuse, coastal development, dredging, quarrying, harmful fishing methods and equipment, boat anchors and groundings, etc (touching or removing corals).

Land-based pollution that makes its way into coastal waterways There are several pollution kinds and sources from land-based activities.

1.sedimentation

2. Nutrients

3. pathogen

4. Toxic substances

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What is the function of proteins in muscles?​

Answers

Answer: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell

Explanation:

Some weed species have developed the ability to resist pesticides. How does the Theory of Evolution by natural selection help to explain this ability?

A. In any population of weeds, some weeds will be naturally immune to all kinds of pesticides.

B. The weeds developed pesticide-resistant variations because their survival depended on it.

C. Due to genetic variations, some weeds in the population had the ability to resist pesticides.

D. As the weeds evolved, natural selection resulted in an unfavorable variation in a population.

Answers

Answer:

A:in any population of weeds some weeds will be naturaly immune to all kinda of pestiecudes

PLEASE HELP PLSSSSSS

PLEASE HELP PLSSSSSS

Answers

Answer:

1. it's an atom

Explanation:

An atom is the smallest particle of an element, having the same chemical properties as the bulk element. The first accurate theory explaining the nature of matter was Dalton's Atomic Theory: 1. All matter is composed of atoms, and atoms are indivisible and indestructible.

Within convection cells, warm moist air rises from the equator and descends at 20–30 degrees from the equator. Convection cells are partially responsible for the distribution of which two biomes?

Answers

Within convection cells, warm moist air rises from the equator and descends at 20–30 degrees from the equator. Convection cells are partially responsible for the distribution of two biomes i.e. tropical rain forests and subtropical deserts.

A convection cell is a system involving a fluid that is heated thus, reducing its density and allowing it to migrate to a region of high density. This cycle is repeated and a sequence of motion is created.

Convection cells in the Earth's atmosphere are accountable for physical phenomenon e.g. blowing of wind.

A biome is a well defined biogeographical unit comprising of a biological community which has been established in reaction to a shared regional climate.

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why are virus able to recognize a host cell,enter its membrane and take over

Answers

The answer is… Because they are made of the same stuff as the cell, because the cell and virus have coevolved. White blood cells devour infected cells. Hope this helps!

water moves through a plant because of the property of

Answers

Water moves through a plant because of the property of capillary action or capillarity.

Capillarity is the phenomenon where liquids, such as water, move through narrow spaces or tubes against the force of gravity. It occurs due to the combined effects of adhesion, cohesion, and surface tension.

In the context of plants, water is absorbed by the roots and moves upwards through the xylem vessels or tubes. Capillarity plays a significant role in this upward movement of water within the plant.

The process can be explained as follows;

Adhesion; Water molecules are attracted to the walls of the xylem vessels, creating an adhesive force. This adhesion allows water to cling to the walls of the vessels.

Cohesion; Water molecules are attracted to each other, creating a cohesive force. This cohesion allows water molecules to stick together and form a continuous column or stream within the xylem vessels.

Surface tension; Water molecules at the surface of the water column create a surface tension. This surface tension helps pull the water column upwards, creating a continuous flow of water.

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Carbohydrates are the main source for the body to _______
A
Gain Energy
B
Build muscle
C
insulate itself
D
Protect itself

Answers

Answer:

gain energy

Explanation:

The answer for this is A

iv. Describe how radon would most likely enter the house in the diagram.

Answers

Answer:

Radon is an odorless, invisible, radioactive gas naturally released from rocks, soil, and water. Radon can get into homes and buildings through small cracks or holes and build up in the air.

Explanation:

On the diagram - label ALL the nitrogen bases not
already labeled (A, T, C or G)
LITTL

can someone help?

On the diagram - label ALL the nitrogen bases notalready labeled (A, T, C or G)LITTLcan someone help?

Answers

Explanation:

I hope the diagram will help remember A always pairs with T and C always pairs with G. u can also remember as Apple Tree and Car Garage. :)

On the diagram - label ALL the nitrogen bases notalready labeled (A, T, C or G)LITTLcan someone help?

What causes an imbalance in water concentration or solute concentration that leads to osmosis?

Answers

Osmosis is the process of water molecules passing through a semi-permeable membrane from a low concentration to a high concentration area of solute. When two solutions of different solute concentrations are separated by a semi-permeable membrane, water will move from the area of low solute concentration to the area of high solute concentration, causing the solute concentration to become balanced.

Water moves from an area of low concentration of solute to an area of high concentration of solute due to osmosis.When two solutions of different solute concentrations are separated by a semi-permeable membrane, the flow of water is balanced as the water moves from low solute concentration to high solute concentration.The concentration of solute and water is crucial in osmosis, and any imbalance in their concentration will lead to water movement and regulate the water concentration in the cell.

Therefore, an imbalance in the water concentration or solute concentration will cause the water flow to move from a high concentration of water to a low concentration of water or vice versa. Water and solute concentration plays a significant role in osmosis, and the movement of water through a semi-permeable membrane helps to regulate the water concentration in the cell.

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Adenine always pairs with
.

Cytosine always pairs with
.

Answers

A pairs with T (thymine) and C pairs with G (guanine).

Answer:

Thymine

Guanine

ab Moving to the next question prevents changes to this answer. estion 8 Buia difier loem iaformation in which way? 1. There is no difference 11. Infirmason is dies organiscd to provide meanises 1ii, Data aro facis aboit a sale W. Bata are mearingful bita of information

Answers

The correct option is B, which is "Information" is organized to provide meaning. Data can be explained as raw and unorganized facts and figures that need to be processed before they can be considered as information.

Therefore, information is data that has been collected, analyzed, organized, and presented in a meaningful way. Thus, the statement "Information is organized to provide meaning" is accurate. Furthermore, data is considered to be objective and without meaning.

 It is in a format that can be sorted, evaluated, and analyzed by a computer or an individual. On the other hand, information is subjective and meaningful and can be conveyed and interpreted by people.

However, data can be processed to obtain information. Data is transformed into information when it is analyzed, organized, interpreted, and presented in a meaningful and useful way.

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If the number of photosynthetic organisms on Earth decreased drastically, which would happen as a result?

Answers

Answer: More carbon dioxide gas would be found in the atmosphere.

Explanation:

a cell makes and secretes a certain protein. explain where it is made, how it is secreted from the cell and what kind of transport is used

Answers

. . . . . . .. . . . .. . . . . . . . . . . . . .. ..

Hope this helps

a cell makes and secretes a certain protein. explain where it is made, how it is secreted from the cell
a cell makes and secretes a certain protein. explain where it is made, how it is secreted from the cell

what are the eleven body systems

Answers

The integumentary system, muscular system, lymphatic system, respiratory system, digestive system, neurological system, endocrine system, cardiovascular system, urinary system, and reproductive system are among the 11 organ systems.

There are eleven organ systems in the human body. The immune system, skeletal system, muscular system, nervous system, endocrine system, cardiovascular system, lymphatic system, respiratory system, digestive system, urinary system, and reproductive system are among them (Female and Male). The most important organ system in the human body is the nervous system, which connects to the brain and is as important as your heart. Every action and movement that your body takes is coordinated by the neurological system of the human body.

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What is the minimum temperature for holding hot food.

Answers

Answer: 135 degrees

Explanation:

If you go under 135 degrees when holding hot food, you will be in the temp danger zone where bacteria can grow! 135 degrees is the MINIMUM of where you should hot food.

Hope that helps.

it use solar energy to convert ______ and ____ into the electron carriers _____ and ____

Answers

If this question is in regards to Photosynthesis, it uses solar energy to convert light energy and H2O into the electron carriers ATP and NADPH.

the process of respiration that moves air into and out of the lungs is: group of answer choices gas transport. pulmonary gas exchange. pulmonary ventilation. tissue gas exchange.

Answers

The process of respiration that moves air into and out of the lungs is known as pulmonary ventilation.

This process involves the movement of air through the respiratory tract, starting with the inhalation of air through the nose or mouth, followed by the air passing through the pharynx, larynx, trachea, bronchi, and finally reaching the alveoli in the lungs.

Once the air reaches the alveoli, pulmonary gas exchange takes place where oxygen from the air diffuses into the blood and carbon dioxide from the blood diffuses into the air. This gas exchange allows for the transport of gases, such as oxygen and carbon dioxide, between the lungs and the rest of the body.

Tissue gas exchange occurs at the cellular level where oxygen is delivered to cells and carbon dioxide is produced as a waste product.

Overall, pulmonary ventilation is a crucial process that allows for the exchange of gases necessary for the body to function properly.

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Please Hurry
2. Is Gause’s Principle accurate? Explain why or why not.

Answers

Yes, the Gause’s Principle is accurate and applicable in real life.

What is Gause's principle?

This law is also known as Gause's law. One resident will drive off the other one. If any of the life forms of the exhaust population remains, that would be because they have modified themselves according to the dissimilar niches.

Gause's laboratory experiment showed the process of competitive exclusion because he was able to separate the two species /living organisms and their common limiting resource such as food that is present in the laboratory.

Gause's principle of ruthless exclusion states that two species competing for the same restricted resource cannot coexist in the same niche forever. In ecology, the competitive exclusion principle, sometimes mention as Gause's law is a proposition.

So we conclude that The competitive barring principle, which is also known as Gause's law of competitive exclusion.

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Exceptions to the typical pattern of smooth muscle fiber orientation include the ______ (which contains a mixture of skeletal and smooth muscle) and the ______ (which contains three layers of smooth muscle).

Answers

Exceptions to the typical pattern of smooth muscle fiber orientation include the muscularis externa (which contains a mixture of skeletal and smooth muscle) and the uterus (which contains three layers of smooth muscle).Skeletal muscles are the muscles that attach to bones and allow movement of the body. They are voluntary muscles, meaning they are under conscious control.

The uterus is a reproductive organ in females that is responsible for holding and nourishing a developing fetus during pregnancy. It is made up of three layers:

Endometrium: This is the innermost layer of the uterus, and it is where a fertilized egg implants and develops into a fetus. The endometrium is shed during menstruation if a pregnancy does not occur.

Myometrium: This is the middle layer of the uterus and is composed of smooth muscle. During pregnancy, the myometrium contracts to help push the fetus out during delivery.

Perimetrium: This is the outermost layer of the uterus, and it is a thin layer of connective tissue that covers the uterus.

It is important to note that the myometrium is made up of smooth muscle, which is different from the skeletal muscle that is found in the body. Smooth muscle is involuntary, meaning it is not under conscious control.

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What is a strike-slip fault?

a.) folding caused by tension stress

b.) a fracture caused by shear stress

c.) a fold caused by shear stress

d.) a fracture cause by tension stress

K-12 5.04 Quiz: Folding and Faulting

Answers

Answer:

b) a fracture caused by shear stress

Explanation:

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