the major chemical constituent of a cell, by weight, is

Answers

Answer 1

Answer:

Water

Explanation:

It is 70% of a cell's weight.


Related Questions

The image shows a facility that converts the energy of moving water into
electrical energy. What is one advantage of using this technology in place of a
coal-burning power plant?
A. It produces more water pollution.
B. It causes no harm to ecosystems.
C. It does not emit greenhouse gases.
D. It is fueled by a nonrenewable resource.

Answers

Answer:

C. It does not emit greenhouse gases.

The one advantage of using this technology in a coal-burning power plant is that it does not emit greenhouse gases. Therefore, option C is correct.

How does electrical energy formed from moving water?

Electrical energy can be generated from moving water through a process called hydroelectric power generation. Hydroelectric power plants use the kinetic energy of moving water to spin turbines, which in turn generate electricity.

Hydroelectric power generation is a renewable source of energy that produces no carbon emissions or air pollution. It is one of the most widely used forms of renewable energy, providing electricity to millions of people worldwide.

However, the construction of dams and reservoirs can have significant environmental impacts on the surrounding ecosystems and habitats. Hence, option C is correct.

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i need help pls anyone know this ive been stuck for 10 mins so pls

Answers

Answer:

glucose and oxygen is the answer

what do you think whould be the function of each of these cell parts in an animal cell​

Answers

Which cell parts?

Cell is the smallest unit of life.

Which is the best hypothesis for the extinction of the dinosaurs at the end of the Cretaceous period?

A.
Mammals evolved and killed the dinosaurs.

B.
Humans destroyed all the dinosaurs.

C.
The climate changed and the dinosaurs could not adapt.

D.
The dinosaurs killed each other.

Answers

Answer:

extinction, the best-known being the non-avian dinosaurs. It also destroyed myriad other terrestrial organisms, ...

Explanation:

....

Need ASAP!!!


Many farmers and gardeners compost their plant and animal waste. The living material naturally decays in compost bins, forming a dirt-like substance that’s rich in nutrients. The next season, farmers use this substance as a natural fertilizer for their crops.


A biology student has grown tomato plants for several years. Until now, he used an artificial fertilizer formulated for tomato plants. This fertilizer caused his plants to grow faster and taller than they grew in unfertilized soil. The student wants to know whether using natural compost will cause his tomato plants to grow faster and taller than his artificial fertilizer.


Answer the following questions to plan an investigation using the steps of the scientific method and help the student find the answer to his question.


Part B - Whats the students scientific question?

Part C - Construct at least two possible hypotheses for the students experiment

Part D - Choose one hypotheses to make a prediction

Part E - How would you conduct your investigation? In your answer, explain your independent and dependent variables.

Part F - How does the design of your experiment control for outside factors that may affect the results?

Part G - How do you plan to analyze and communicate your results?
~ Please write which part belongs to which answer

GIVING 64 POINTS FOR EACH ANSWER TO BE COMPLETED!

(REPORTING ANY FAKE ANSWERS)

Answers

B- Do tomato plants grow faster and taller using natural compost or artificial fertilizer?

C- 1: Tomato plants grow faster in compost than in fertilizer. 2: Tomato plants grow taller in compost than in fertilizer.

D- Tomato plants grow taller in natural compost rather than artificial fertilizer.

E- First, I would plant three tomato plants in different pots. One would be full of natural compost, one full of artificial fertilizer, and one with regular dirt. Then, I would wait a few months, giving them the same amount of water each day, and record the results. The independent variables are the amount of time and water, while the dependent variable is the height of the plant after a few months.

F- My design includes a control group, being the plant with the plain dirt, as well as minimizing error by treating the plants with the same amount of water.

G- After a few months, I would record the height of all three plants and see if the tomato plants grown in natural compost or artificial fertilizer were taller.

Suppose you were interested in the effect of breastfeeding versus formula feeding on the composition of gut flora in newborns. As part of your experiment, stool samples from healthy babies in the study get plated on various agar media. You notice that greater numbers of colonies are recovered when samples are plated on blood agar compared to nutrient agar (NA). After some diligent subculturing, you isolate several bacterial species capable of slow growth on the blood but not on the NA. You correctly surmise that these organisms: ______________

a. are opportunistic blood pathogens.
b. have extensive and complex nutritional requirements not met by NA are inhibited by the ingredients in NA.
c. should be classified as beta-hemolytic.
d. grow because the blood agar suppresses the growth of faster-growing bacteria.

Answers

Answer:

vAurora

Explanation:

Identify one part of a plant’s vascular system and explain its role.

Answers

Answer: One part of the plants vascular system is its stem which contains vascular tissues, giving it the strength to stand up, while also conducting water a nutrients to and from the roots, to the leaves.

Explanation:

Answer:

vascular system, in plants, assemblage of conducting tissues and associated supportive fibres. Xylem tissue transports water and dissolved minerals to the leaves, and phloem tissue conducts food from the leaves to all parts of the plant.

I just search this sorry if its wrong :)

the process of activating photoreceptors by altering the photopigments is known as __________.

Answers

The process of activating photoreceptors by altering the photopigments is known as PHOTOTRANSDUCTION. It involves the mechanism by which light can be converted into electrical signals.

Phototransduction refers to the mechanism by which light can be converted into electrical signals.

Visual phototransduction occurs in the part of the eye known as the retina, in specific cells called photoreceptors and ganglion cells.

Photoreceptor cells include rod cells and cone cells, which are sensitive to light.

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100 POINTS PLEASE HELP!!!!

Answers

Answer: C

Explanation: TOOK THE TEST

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Zooplankton and Phytoplankton

How do organisms depend on and compete for biotic and abiotic factors?

Your answer should include at least 6 sentences to explain the claim, evidence and reasoning.​

Answers

Answer:

Organisms depend on and compete for both biotic and abiotic factors in an ecosystem. A few abiotic factors are sunlight, water, and territory. Plants compete for sunlight and water, and they depend on those factors for their survival. Biotic factors would include plants, bacteria, and other animals. Consumers of these biotic factors compete for them because they depend on them for their survival.

Explanation:

;)

what is observable evidence that earth is surrounded by a magnetic field?​

Answers

Answer:

Evidence for these geomagnetic reversals can be found in basalts, sediment cores taken from the ocean floors, and seafloor magnetic anomalies. Reversals occur nearly randomly in time, with intervals between reversals ranging from less than 0.1 million years to as much as 50 million years.

Which part of the plant releases energy from food

Answers

The Mitochondria of a plant cell releases energy from the food. It is a cell organelle and is present in the cytoplasm. They make most of the essential ATPs (Adenosine Tri Phosphate).

Can someone help me with my living earth homework

Answers

I was debating this question for the longest time and I came up with a conclusion.



No

the energy required for a seedling to push up out of the ground comes from

Answers

Answer:

Food Storage in the Seed

Explanation:

Seeds require oxygen in order to create energy for germination and development. The embryo obtains energy by decomposing its dietary reserves. This is accomplished, as in other creatures, by a process called as aerobic respiration. —a sequence of processes in which energy is released from glucose using oxygen.

what happened to the urine volume when the solute gradient in the interstitial space was increased?

Answers

The urine volume decreased when the solute gradient in the interstitial

space was increased.

The solute gradient in the interstitial space being increased means more

absorption of compounds into the bloodstream and vice versa. When this

occurs, the constituent of urine decreases.

The decrease in the urine components brings about a decrease in its

volume also due to increased absorption taking place.

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FOR 100 BRAINLZY POINTS I NEED IT NOW What marks the transition between the Precambrian Eon and Phanerozoic Eon?

Question 3 options:

increased meteor impacts


a disappearance of most of the life in the fossil record


an increase in the number and diversity of life in the fossil record


the appearance of land plants in the fossil record

Answers

Answer:

Explanation:

Mesozoic Era, second of Earth’s three major geologic eras of Phanerozoic time. Its name is derived from the Greek term for “middle life.” The Mesozoic Era began 252.2 million years ago, following the conclusion of the Paleozoic Era, and ended 66 million years ago, at the dawn of the Cenozoic Era. (See the geologic time scale.) The major divisions of the Mesozoic Era are, from oldest to youngest, the Triassic Period, the Jurassic Period, and the Cretaceous Period. The ancestors of major plant and animal groups that exist today first appeared during the Mesozoic, but this era is best known as the time of the dinosaurs.

Answer:

oh that's my answer sorry belated answer

Definition of “principle of dominance”

Answers

The Law of Dominance says that when an organism is heterozygous for a trait, only the dominant allele will produce a phenotype.

If antenna length in Mendaliens is controlled by a single gene and long is dominant to short and two Mendaliens with Long antenna have some offspring with short antenna, what is the genotype of the Mendalien parents

Answers

there are multiple possibilities but one of them is that both parents are heterozygous dominant (one capital and one lowercase letter)

Which equation represents the photosynthesis process?
a
CO2 + Glucose ----> H2O + Sunlight + O2

b
CO2 + H2O + Sunlight ----> Glucose + O2

c
CO2 + H2O ----> Glucose + O2

d
Glucose ----> CO2 + Alcohol + ATP

Answers

Answer: B

Explanation:

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

If red blood cells are placed in distilled water and examined under a microscope
no cells are seen.
Explain why no red blood cells would be seen

Answers

Answer:

The distilled water made the red blood cells burst.

Explanation:

Distilled water is a hypotonic solution containing ZERO salt content. It is 100% water, making the red blood cells (RBC) take in water that causes the RBC to swell, then burst.

What is the difference between emphysema and asthma?
Emphysema is an inflammation of the lungs, while asthma is a bacterial infection of the lungs.
Emphysema is the gradual destruction of the alveoli, while asthma is a sensitivity to irritants that causes the airway to constrict.
Emphysema is a sensitivity to irritants that causes the airway to constrict, while asthma is the gradual destruction of the alveoli.
Emphysema is a bacterial infection of the lungs, while asthma is an inflammation of the lungs.

Answers

Answer:

Asthma and COPD are both chronic lung diseases. COPD is mainly due to damage caused by smoking, while asthma is due to an inflammatory reaction. COPD is a progressive disease, while allergic reactions of asthma can be reversible.With asthma, the swelling is often triggered by something you're allergic to, like pollen or mold, or by physical activity. COPD is the name given to a group of lung diseases that include emphysema and chronic bronchitis. Emphysema happens when the tiny sacs in your lungs (called alveoli) are damaged.

Explanation:

MARK ME AS A BRAINLIST PLZ

Answer:

I think the person above was trying to say the correct answer was

B. Emphysema is the gradual destruction of the alveoli, while asthma is a sensitivity to irritants that causes the airway to constrict.

If your gonna answer a brainly question don't make it complicated, respectfully, we have no time for that with these quizzes. And we more appriciate just straight to the point.

what is the difference between metameres and septa

Answers

Answer: External segments are called metameres and internally, septa, or dividing walls, are located between the segments.

Explanation: I think it is

what role does the heart play in the circulatory system

Answers

it's a pump that sends blood throughout the body

Describe the composition of the cell membrane

Answers

Explanation:

With few exceptions, cellular membranes — including plasma membranes and internal membranes — are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains. Glycerol is a three-carbon molecule that functions as the backbone of these membrane lipids.

5 blem. ections: Read each question carefully and select the correct answer. Write your wer on a separate sheet of paper. This pertains to a view, a judgment, or an appraisal about a particular matter. a a. fact b. hearsay copinion d. assertion​

Answers

You didn't put up the question for me to answer. You put the choices to choose from, but no question.

Use the graph below to explain the ideal conditions for the enzyme it represents.

Answers

Answer:

Explain the effect of temperature on the relative rate of action of an enzyme is represented in the graph below: b) What is the optimum temperature (approximate) for the action of this enzyme? 6 0 L } 10 20 30 40 50 60

An example of abiotic factors influencing marine organisms is:
*
O predation
competition for food,
parasitism.
salinity.
bacterial disease.

Answers

Answer:

parasitism

Explanation:

How does your body respond to a decrease in blood glucose

Answers

Answer:

When blood sugar drops too low, the level of insulin declines and other cells in the pancreas release glucagon, which causes the liver to turn stored glycogen back into glucose and release it into the blood. This brings blood sugar levels back up to normal.

Explanation:

hope this helps!

MERRY CHRISTMAS AND HAPPY NEW 2022 YEAR! GOD BLESS YOU!!!

Answer:

Glucose is a sugar that comes from the foods we eat, and it's also formed and stored inside the body. It's the main source of energy for the cells of our body, and is carried to each cell through the bloodstream. Our brains depend on glucose to function, even when we're sleeping.

The blood glucose level is the amount of glucose in the blood. When these levels (also called blood sugar levels) drop too low, it's called hypoglycemia (pronounced: high-poe-gly-SEE-me-uh). Very low blood sugar levels can cause serious symptoms that need to be treated right away.

Low Blood Sugar Levels in Diabetes

People with diabetes can have low blood sugar levels because of the medicines they have to take to manage their diabetes. They may need a hormone called insulin or diabetes pills (or both) to help their bodies use the sugar in their blood.

These medicines help take the sugar out of the blood and get it into the body's cells, which makes the blood sugar level go down. But sometimes it's a tricky balancing act and blood sugar levels can get too low.

People with diabetes need to keep their blood sugars from getting too high or too low. Keeping blood sugar levels in a healthy range means balancing when and what they eat, and when they exercise with when they take medicines.

Hope this helps...;-]

Explanation:

Which pair of traits is most likely to be inherited together?


A. purple eye and brown eye because they are both eye traits


B. aristaless and speck body because they have the greatest chance of crossing over

O

C. curved wing and arc (bent wings) because they have the least chance of crossing-over


D. black body and light eye because they are closest together on chromosome 2

Answers

Answer:

D

Explanation:

The closer together two genes are on a chromosome, the less likely their alleles will be separated by crossing-over.

Looking at the aquatic food web below, where is energy starting in the food web

A. Seagull, penguin, and elephant seal
B. Phytoplankton and seaweed
C. Blue whale and killer whale
D. Crabs, krill, Fish

Answers

Answer:

Pretty sure it's B

Explanation: