Which two factors are most likely to cause a plants guard cells to open its stomata.


Please help, I was seeing different responses to this question:)

Answer:

produces genetic variation in the offspring.

the species can adapt to new environments due to variation, which gives them a survival advantage.

a disease is less likely to affect all the individuals in a population.

Answer:

I don't know much but try D srry I'm not good at it

Answer:

Explanation:

Selection is the greatest force that alters gene frequency and brings about variation that is evidence in a population. There are both natural and artificial selection.

Mutation is one of the force that alters population frequency it is an heritable change that is sudden and occur in the gene, it can be induced or caused naturally.

The insect survived the DDT used because over the years they have build immunity and resistance against the chemical, they now mutate and produce gene that becomes resistance to the chemical and now adapted or adaptable to the environment. Natural selection helps in the continuous perpetuation of the new phenotype and a new differential survival rate.

Answer and explanation:

The mitochondria are the organelle responsible for respiration, which leads to the production of ATP - the most important molecule in energy transfer.

For respiration to happen, there are several processes involving chemical reactions that take place in the mitochondria. These mechanisms are: oxidative decarboxylation, Krebs cycle, and oxidative phosphorylation. Glycolysis is also important for these processes to occur, but this particular case happens outside of the mitochondria.

Pyruvate is an important precursor of the Krebs cycle, also called 'the citric acid cycle'. The researcher observes the functioning of the mitochondria in presence of pyruvate, but then adds an inhibitor of isocitrate dehydrogenase. This inhibitor cancels out the action of the isocitrate dehydrogenase, which is a key enzyme in the Krebs cycle. By inhibiting this enzyme, the cycle cannot continue, and respiration stops.

1. Cupric oxide or Copper (II)oxide

2. Sulphur oxide

3. Sodium Chloride

4. Iron Sulphide

5. Carbon monoxide

6. Carbon dioxide

Answer:

An insertion or deletion of nucleotides that is not a multiple of three

Answer:A substitution of glycine amino acid for a stop codon is an example of a nonsense mutation.

Explanation:

A nonsense mutation is a type of point mutation that results in the formation of a premature stop codon in the mRNA sequence.

Answer:

winter is your answer and yes I can help you with more

Answer:

Dna

Explanation:

I had this on a test and this was the answer

According to the central dogma of molecular biology, DNA does this error originate.

Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix.

DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins.

DNA is made of nucleotides. A nucleotide has two components: a backbone, made from the sugar deoxyribose and phosphate groups, and nitrogenous bases.

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1. D. Marine

2. A. Desert

3. E. Freshwater

4. C. Grassland

5. B. Tundra

If there is a #6, then the answer would be F. Tropical rainforest

Answer:

Explanation:

The process that accurately describes the transport of substances in the body and production of energy in cells is- The lungs inhale oxygen, which is transported to cells by the circulatory system, where cells use it to create energy.Therefore, the correct option is A.

The process of respiration involves the exchange of gases between the environment and the body. During inhalation, air enters the lungs, and oxygen is diffused across the lung tissue and into the bloodstream.

The oxygen-rich blood is then pumped by the heart to the cells throughout the body via the circulatory system. In the cells, the oxygen is used in a process called cellular respiration to produce energy in the form of ATP, which powers cellular functions.

Carbon dioxide, a waste product of cellular respiration, is then transported back to the lungs via the circulatory system and exhaled during exhalation.Therefore, the correct option is A.

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The question is incomplete, but most probably the complete question is,

Which process accurately describes the transport of substances in the body and production of energy in cells?

A. The lungs inhale oxygen, which is transported to cells by the circulatory system, where cells use it to create energy.

B. The lungs inhale carbon dioxide, which is transported to cells by the circulatory system, where cells use it to create energy.

C. The heart inhales oxygen, which is transported to cells by the respiratory system, where cells use it to create energy.

D. The heart inhales carbon dioxide, which is transported to cells by the respiratory system, where cells use it to create energy.

Answer:

A vasectomy has no effect on libido, erections, or urination. The amount of semen a man ejaculates will not change after a vasectomy; the only difference is that there are no sperm in the ejaculate. The testicles will also continue to produce testosterone at the same rate.

Explanation:

Vasectomy is the surgical method of male sterilization or permanent contraception. During this process, the male vasa deferentia are cut and sealed to prevent sperm from the urethra and thereby prevent fertilization.

Vasectomy is done in the case of males. Many males are concerned about urination and erection. It is the different duct where urine uses the ureter and sperm uses the gas deferens.

Vasectomy is a method of contraception that has no effect on libido, urination, and erection. Hence the vasectomy does not affect urine flow.

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Answer:

Atoms used energy to make new molecules.

Explanation:

Atoms used energy to make new molecules through making bonds with one another because bonds allow atoms to attached tightly with each other. The energy come from the external environment in order to produce new molecules. So we can conclude that energy is the main ingredient needed for making new molecules and this energy is gained from the environment.

Answer:

I would like to help, but what are the new molecules they are producing? And what are the atoms the question is talking about?

Answer:

Prophase

Explanation:

During Prophade, the chromosones condense, the nucleous dissapears, and the nuclear envelipe breaks down

Answer:

it would be B

Explanation:

it makes the most sense

An accident caused an oil rig to spill oil into the ocean, most likely caused the oil to get in the water, hence option B is correct.

Although incidents involving tankers, barges, pipelines, refineries, drilling rigs, and storage facilities are the most common source of oil spills in rivers, bays, and the ocean, they can also involve recreational boats and marinas. People making errors or being negligent can result in spills.

The source of between one-third and fifty percent of the oil in the water are natural seeps. These are specific locations on the seafloor where springs of oil and gas can be seen rising buoyantly from oil-rich sediments that have been naturally raised up close to the earth's surface.

Therefore, option B is correct.

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Answer:

B

Explanation:

A farmer uses genetic engineering to inject dairy cows with a genetically altered hormone (GAH) to result in the production of more milk, and the use of the GAH may increase the amount of hormones in the milk, which is a risk that is present in Option B.

The GAHs that are used in dairy farming can result in an increase in the levels of hormones such as insulin-like growth factor 1 (IGF-1) in the milk, and these hormones can be harmful to human health and are also associated with an increased risk of certain cancers, such as breast cancer and In addition to concerns about the health effects of GAHs, there are also environmental concerns. The increased milk production resulting from GAH use can lead to overproduction, and animals get harmed by these genetically altered hormones.

Hence, the use of the GAH may increase the amount of hormones in the milk, which is a risk that is present in Option B.

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Answer:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

Answer:

the process of the intake of carbon dioxide by plants leaves to prepare food by the help of water and minerals and to ex create oxygen is photosynthesis.

Explanation:

the intake and excreat out a gas is known as respiration.

Answer:

He need to eat 275 g

Explanation:

2000 = 100

5500 = 2000÷100= 20 = 5500÷20 = 275

He need to eat 275 g

Answer:

the main causes are, infection,abdominal growth,inflammation,obstruction blockages

Explanation:

“Stomach cramps” is a general term that refers to sharp, intermittent contractions or feelings of pain or discomfort that occur anywhere in the abdomen between the lower chest and the pelvis or groin. The abdomen consists of many organs, including the stomach, intestines, liver, gallbladder, pancreas, esophagus, and numerous blood vessels.

Stomach cramps are a common symptom of a wide variety of mild to serious diseases, disorders and conditions that are often related to the abdominal organs and sometimes the pelvic organs, such as the uterus and bladder. Most people will experience stomach cramps at some point during their lifetime, and they can occur in any age group or population. Common causes of stomach cramps include indigestion, gastroenteritis, menstrual cramps, bladder infection, and excessive flatulence (gas).

Stomach cramps may be generalized, which means they occur throughout the abdomen. Stomach cramps may also be localized in a small area of the belly, such as the lower abdomen or pelvis near the groin, or in the upper abdomen where the stomach is located.

Depending on the cause, stomach cramps can last for a few minutes or hours, such as when they occur from indigestion due to eating rich food or from vigorous exercise. Stomach cramps can also last for a few days, such as when they are due to a menstrual period. Long-term stomach cramping may be continuous or occur periodically and may be due to more serious conditions, such as colorectal cancer.

In some cases, stomach cramps may be caused by serious conditions, such as food poisoning or colorectal cancer. Seek prompt medical care if your stomach cramps are unexplained, persistent, or cause you concern.

Stomach cramps may accompany other symptoms, which vary depending on the underlying disease, disorder or condition. If you have other symptoms along with stomach cramps, be sure to inform your health care provider. This information will help your doctor diagnose the reason for your stomach cramps.

( I hope this was helpful ) >;D

Answer:

Earth crust is constantly changing primarily due to plate tectonics (plate motion), but it also changes from activity on the surface from river, man made and meteorite impact. ... Continents and oceans do not ride atop the plates without changing. As the plates move and change so do the continents and oceans

Answer:

Explanation:

Earth's structures were created when the planet was first formed. Over time, its own gravitational and magnetic forces drove the Earth's core rotation.  Other geological activities affected its structures; such as glacial movements, tectonic plates collisions and submersion, volcanic eruptions and so on. There were also major external events the asteroid impact that killed most lives on Earth. Human activities' impact on Earth's structures were relatively small until the recent centuries.

Answer:

because bill stacy was sick.

Explanation:

Bill Stacy does not have blue skin even though his mother did because of variations that occur during the segregation of alleles after fertilization.

Variations may be defined as the altered appearance among individuals in the same population. It is one of the factors that are responsible for maintaining diversity.

Due to variations, offspring do not identical to their parents. These variations have resulted from either erotic reproduction or mutation.

Therefore, Bill Stacy does not have blue skin even though his mother did because of variations that occur during the segregation of alleles after fertilization.

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Answer:

Rainshadow is the area where rain is not experienced

Answer:

Explanation:

A rain shadow is a patch of land that has been forced to become a desert because mountain ranges blocked all plant-growing, rainy weather. ... On the other side of the mountain—the rain shadow side—all that precipitation is blocked. In a rain shadow, it's warm and dry.

Answer:

C. Continental and Oceanic

Explanation:

(did this stuff last year)

Answer: mitosis creates body cells and

Meiosis creates sex cells

Explanation:

Answer:

Whereas a change in a person may take 10-50 years to manifest itself, changes in the earth can take millions of years to become apparent. Also, humans may experience changes in their personalities as well as in their bodies, while changes in the earth are never psychological.

Answer:

Hypotenuse = 7.07 units.

Explanation:

The sides of the right angle triangle are the opposite and adjacent side; which are both equal in this case.

Given the following data;

Opposite = 5 units

Adjacent = 5 units

To find the hypotenuse, we would use the Pythagorean theorem given by the formula;

Hypotenuse² = opposite² + adjacent²

Hypotenuse² = 5² + 5²

Hypotenuse² = 25 + 25

Hypotenuse² = 50

Hypotenuse = √50

Taking the square root of both sides, we have;

Hypotenuse = 7.07 units.

Answer:

A steel frame used to make a bike.

Answer:

A steel frame used to make a bike.

Explanation:

Answer:

to protect you from getting an effaction

to protect you from getting from infection by pathogen is  accurately describes the function of a vaccine​

A vaccine can be defined as a biological preparation which provide an active acquired immunity to a specific infectious and transmissible disease.

A vaccine consist of an agent that has a similarity to the disease-causing microbe. Inactivated Vaccine are formed by inactivating a pathogen by applying heat or chemicals such as formaldehyde or formalin, it destroys the pathogen’s ability to replicate.

Attenuated vaccines are formed from different ways like passing the disease-causing virus through a series of cell cultures or animal embryos.

Toxoid Vaccine can be made by inactivating the toxin released from bacteria that causes disease symptoms, the organisms or viruses used in inactivated vaccines which can be done via treatment with a chemical such as formalin.

Subunit Vaccine use a part of a target pathogen to provoke a response from our immune system, which can be done by isolating a specific protein from a pathogen.

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The electromagnetic wave that butterflies, hedgehogs, and many other animals can see is the ultraviolet light that is in Option B, as the ultraviolet light gives these animals a different perspective to visualize.

Many animals can see the UV lights, and this is important as the flowers and fruits emit ultraviolet patterns that are invisible to humans but are seen by pollinators such as butterflies and help them find foods.

Hence, the electromagnetic wave that butterflies, hedgehogs, and many other animals can see is the ultraviolet light that is in Option B, as the ultraviolet light gives these animals a different perspective to visualize.

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