Why does the majority of photosynthesis occur in the leaves:1: roots are not exposed to sun since they are underground2: leaves contain chloroplasts which create store energy molecules3: all answers are correct

Answer:

Kent State Golden Flashes place kicker Matthew Trickett (95) kicks a field goal in the game against the Utah State Aggies during the 2019 ...

Answer:

The rate of breathing can be increased by:-

Generally, The rate of breathing increases by decrease in oxygen or increase in carbon dioxide levels in the blood.

Answer: performing physical activities such as exercice,running etc.

Explanation:

Answer:

B. ionic compounds

Explanation:

Answer:

thermometer and  pH probe          

Explanation: A thermometer can measure the tempurature

The acidity of the water is characterized by the concentration of hydrogen ions. The effect of acidity on the water can be investigated by thermometer and pH probe. Thus, option B is correct.

The concentration of the hydronium or the hydrogen ion affects the acidic and basic character of the water. The more the number of hydrogen ions more will be the acidity, whereas less concentration of ions makes less acidic water.

Temperature affects the dissociation of the water and the formation of the ions that can be measured by the thermometer and its effect on pH can be measured by a pH probe. The pH probe is used to measure the hydrogen-ion activity in the solution.

Therefore, option B. thermometer and pH probe can be used to measure acidity.

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Answer:

I guess the correct answer is option B

The connection between growth, development, reproduction, evolution, function, and structure is associated with metabolism.

Metabolic activities can be defined as the reactions that carry out the cells of an organism to perform different functions which include growth, development, and reproduction.

Moreover, evolution and function are associated with metabolism from an adaptive point of view (higher metabolic rates lead to more adapted organisms).

In conclusion, the connection between growth, development, reproduction, evolution, function, and structure is associated with metabolism.

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Answer:

Organisms differ in how they obtain energy, and they are classified as autotrophs or heterotrophs based on how they obtain their energy in an ecosystem. ... organisms that contain chlorophyll absorb energy during photosynthesis and use it to convert the inorganic substance carbon dioxide and water to organic molecules. Why?

Explanation:

The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).

1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).

Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).

Now we can express the ratio between 92 mL and 88.72 mL:

92 mL : 88.72 mL

Simplifying the ratio by dividing both sides by the greatest common divisor, we get:

46 : 44

So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

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Answer:

about 14.7 pounds per square inch

Answer:

about 14.7 pounds per square inch

Explanation:

All of the options are chemical approaches to control micro-organism excepts: B Disinfectants

19. The scientific name for modern man is: B. Homo sapiens

20. kingdoms are prokaryotic organisms placed D. Monera

21. Plants which have true roots, leaves, stem & seeds inside the fruit are: B. Angiosperm

22.  taxonomic groups contains closely related organisms A. Genus

23. Malaria causing single-celled parasitic protozoan is called: D. Plasmodium

24. kingdoms consists of eukaryotic organisms such as yeast, molds, and mushrooms A. Kingdom fungi

25. Ecology is a biological science that deals with except: D. none

26. The organism that are consumer is D. Scavengers

Disinfectants are special chemicals that are used to kill germs or prevent them from growing on surfaces or objects. They are not usually used to control microorganisms within living things, unlike antibiotics, antiseptics, and autoclaving, which are all chemicals used to control microorganisms.

Homo sapiens is the fancy name used by scientists to refer to regular, everyday humans This is the species that humans are a part of.

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18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants

19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens

20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera

21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm

22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class

23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium

24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population

25. Ecology is a biological science that deals with all of the following except Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista C. organism D. none​

26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers

Option B: impression modulus is not an example of an elastic moduli.

The elastic limit on the stress-strain is significant to the structural and manufacturing industries because it indicates the greatest stress a certain material can withstand before permanently deforming. The ratio of stress to strain is known as the modulus of elasticity. Young's modulus, shear modulus, and bulk modulus are the three forms of elastic moduli that can exist. Thus, impression modulus is not an example.

Numerous studies demonstrate that for a given material, the amount of strain produced is the same whether the stress is compressive or tensile. The ratio of the longitudinal strain (ε) to the tensile/compressive stress (σ) is known as the Young's modulus (Y).

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Answer:

D

Explanation:

It makes sense lol im sorry but i know that is d because rocs DON'T have cells so yessss

Natural selection does not produce the mutations that are in option A, as natural selection is the process by which certain advantageous traits become more common in a population over time because individuals with those traits are more likely to survive and reproduce.

Natural selection does not produce the mutations themselves. Mutations are random changes that occur in an organism's DNA and can happen for various reasons, such as exposure to radiation or mistakes during DNA replication. Natural selection acts on the variation already present in a population, selecting for traits that confer advantages in a given environment and allowing those traits to become more prevalent over time.

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The correct answer is A. Feedback mechanisms and homeostasis are closely related in that feedback mechanisms help to maintain homeostasis in living organisms. (option-a)

Homeostasis is the process of maintaining a stable internal environment despite external changes. Feedback mechanisms are the physiological responses of an organism to maintain this stability. For example, if the body temperature drops, the feedback mechanism in the body responds by shivering to generate heat and maintain the internal temperature. Similarly, if the body temperature rises, the feedback mechanism in the body responds by sweating to cool down and maintain the internal temperature. In both cases, the feedback mechanism works until the internal conditions return to normal, thereby maintaining homeostasis. Therefore, feedback mechanisms are essential for the maintenance of homeostasis in living organisms.(option-a)

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The usage of synthetic plant hormones for the modification of plant growth can have environmental implications.

Factors to consider

1. Ecotoxicity: Synthetic plant hormones, if not properly regulated or used in excessive amounts, can pose risks to non-target organisms and ecosystems. They may affect the growth and development of other plants, beneficial insects, and microorganisms, potentially disrupting ecological balance.

2. Soil and Water Contamination: Improper application or disposal of synthetic plant hormones can lead to soil and water contamination. Runoff from treated fields or improper disposal of unused hormones may introduce these compounds into water bodies, potentially affecting aquatic organisms and overall water quality.

3. Resistance and Persistence: Repeated and excessive use of synthetic plant hormones can contribute to the development of resistance in target plant species. This can lead to the evolution of herbicide-resistant weed populations, requiring higher doses or different chemicals to achieve the desired effect. Moreover, some synthetic hormones may persist in the environment for extended periods, potentially impacting subsequent crops or natural vegetation.

4. Non-target Effects: Synthetic plant hormones may influence the growth and development of unintended plant species, leading to unintended consequences such as changes in biodiversity, alteration of natural plant communities, or interference with the natural ecological succession.

5. Human Health Concerns: The potential impacts of synthetic plant hormones on human health are an area of ongoing research. While these hormones are generally considered safe for use in agriculture when used according to regulations, there may be concerns related to exposure, residues, or indirect effects on food quality and safety.

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The organelle that plays the important function of moving proteins and other substances through the cell is known as the endoplasmic reticulum.

A cell organelle may be defined as a type of subcellular structure that significantly has one or more specific functions to perform within the cell in order to facilitate the survival of organisms.

According to the context of this question, the endoplasmic reticulum is a type of cell organelle which has a network of membranes inside a cell. These networks are involved in the migration of proteins and other substances through the cell. Proteins are typically assembled at the organelle which is known as ribosomes.

Therefore,  the endoplasmic reticulum is a cell organelle that plays the important function of moving proteins and other substances through the cell.

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Answer:

Use the drop-down menus to match each function with the appropriate organelle.

✔ Endoplasmic reticulum

Moves proteins and other substances through the cell

✔ Cell membrane

Protects the cell and controls what enters and leaves the cell

✔ Ribosome

Produces proteins

✔ Mitochondrion

Breaks down sugar molecules that supply energy to the cell

Explanation:

Cellulose is a polysaccharide that is safe to be consumed. It is considered as a fiber but can cause side effects such as bloating if consumed in large amounts. Certain animals such as cows and sheeps can digest cellulose where they can get energy they needed. But generally, most animals cannot digest cellulose. It is important to consume foods that contain celulose because is it essential in the diet. It consists of fiber that assits the digestive system by keeping the food that we consumed up to the gut and help to push it as waste out of the body. It is not a hormone disruptor in the endocrine system. Animal cells does not have cell walls.

Answer - 3) Cellulose acts as dietary fiber and helps the digestive system function properly

Answer: sperm are produced in the testes and mature in the epididymis

Explanation:

If North American coastal waters when the great white shark population decreased then planktivore fish number increases.

In the Ecosystem, the spatial controls and abundance, sharks indirectly maintain the seagrass and corals reef habitats. The loss of sharks has led to the decline in coral reefs, seagrass beds and the loss of commercial fisheries.

Thus, the number of planktivore fish increases.

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Explanation:

Genetic disorders of the central nervous system have a propensity to cause movement disorders or ataxia, as a part of the phenotype, or sometimes as the main phenotypic manifestation. The Online Mendelian Inheritance in Man (OMIM) database lists over 500 entries for disorders of which ataxia or a movement disorder form part. Neurologists should be alert to the possibility that patients with complex disorders involving involuntary movements or unsteadiness may have a genetic disorder.

Only those gene loci with relevance to the practising neurologist will be discussed; a more complete listing of other loci, many of which apply only to individual kindreds, is available in referenced review articles.

HUNTINGTON’S DISEASE

Huntington’s disease (HD) is the prototypic neurogenetic disorder, one of the first to be mapped (1983) and subsequently cloned (1993), and the model on which presymptomatic genetic testing is based.

The clinical triad of movement disorder, psychiatric features, and eventual dementia will be well known to neurologists. Chorea is the first manifestation in about two thirds of patients, initially a mild fidgetiness apparent only to the careful observer, which gradually progresses and may be the only clinical manifestation of HD for several years. Severe chorea may respond well to neuroleptics such as sulpiride. Personality change and eye movement disorders including slow saccades, and head thrusting or blinking to generate saccadic eye movements, are also common early features. A wide range of movement disorders including parkinsonism, loss of postural stability, and dystonia eventually supervene, leading to increasingly functional impairment. Progressive weight loss, often resulting in cachexia, is common. Presentation is usually in the forth or fifth decades, but may be at almost any age. The juvenile onset form of HD may present with parkinsonism, the so-called Westphal variant, while late onset forms may cause chorea alone.

Expansion of a polyglutamine (CAG) trinucleotide repeat beyond the critical threshold of 36 repeats results in disease, and forms the basis of the polymerase chain reaction based genetic test. Expansion size is inversely related to age at onset, but the range in age at onset for a given repeat size is so large that repeat size is not a useful predictor for individuals. Inheritance is dominant with full penetrance, meaning that almost all mutation carriers will eventually develop the disease, except those with 36–39 repeats where penetrance is reduced. Meiotic instability with a tendency to increasing expansion size, particularly during spermatogenesis, provides the molecular basis for the phenomenon of anticipation. Thus, juvenile onset cases with very large expansions usually have an affected father. A small minority (< 1%) of individuals have expansions in an intermediate range (29–35 repeats), believed to be an asymptomatic but unstable pre-mutation range, which may expand to cause disease in offspring. Dentatorubropallidoluysian atrophy (DRPLA), also caused by a trinucleotide repeat expansion, may be difficult to distinguish clinically from early onset HD, and so is usually tested for with HD.

Predictive genetic testing of asymptomatic at-risk relatives of affected patients is governed by international guidelines (see Hanna and Wood on page ii2). Prenatal testing in known mutation carriers is routinely available, while linkage based exclusion testing is available to those at-risk women who do not wish to know their own gene status. The latter depends on termination of a pregnancy where linkage shows the fetus to have the same 50% genetic risk as the mother. Preimplantation diagnosis based on selection of unaffected IVF embryos is available in some centres.

THE DYSTONIAS

Dystonia is a feature of many hereditary neurodegenerative and metabolic disorders. In most of these disorders, dystonia usually occurs in the setting of a broader clinical phenotype, and careful clinical assessment reveals other features such as cognitive involvement, pyramidal signs, or ocular abnormalities.

Primary dystonias

In this group of disorders, dystonia or dystonic tremor is (with the exception of parkinsonism in dopa responsive dystonia (DRD)) the only clinical manifestation, and imaging and pathology are usually unrevealing. These disorders have a genetic basis, with dominant inheritance in most cases. The most important of these disorders to the neurologist are DYT1 dystonia and DRD.

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The effects of touching are;

The cardiovascular system can be calmed by soft contact, according to research. It can lessen abnormalities in cardiac rhythm and assist control heart rate.

They can feel safe, at ease, and connected to their carers when they are touched. Babies can calm down, stop crying, and develop emotionally and socially in a healthy way when they are touched.

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Behaviors have both an innate component and a learned component. Behavior is shaped by natural selection. Many behaviors directly increase an organism's fitness.

The idea of herbal choice is that traits that can be passed down permit organisms to conform to the environment higher than other organisms of identical species. This enables better survival and reproduction as compared with different individuals of the species, main to evolution. The character benefits by helping the institution, due to the fact the organization reciprocates by using supporting the character. Such cooperation strategies grow the assets necessary for survival that the organization can accumulate.

Mating conduct and defending Territory. a number of the most critical animal behaviors contain mating. Mating is the pairing of an adult male and girl to supply younger. Adults that are maximum a success at attracting a mate are maximum probably to have offspring. Behaviors associated with duplicates are essential members of the evolutionary achievement of organisms.

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Answer:

I believe the answer is C. breaks down glucose to make ATP

Explanation:

Photosynthesis is the process in which a plant takes in solar energy, water, and carbon dioxide to create glucose and oxygen. Organisms such as humans and animals use the products of photosynthesis in a process known as cellular respiration. Our body breaks down glucose to create an energy source known as ATP. :)

1) A deficiency disease is caused by the absence of a food nutrient

2) Deficiency of vitamin D causes rickets

3) Deficiency of vitamin C can lead to a condition called scurvy.

4) Deficiency of iron leads to anemia

Carbohydrates has glucose as the small molecules and they give energy to the body. It can be gotten from rice.

Proteins have amino acids as the building blocks and they help to repair the worn out tissues. They can be found in legumes.

Fats are composed of fatty acids and they help in the insulation of the body. It can be obtained from margarine.

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Answer:

It is a group designed to not be affected by any variables and to be used as a comparison to the other groups. It helps increase the reliability of your results, as it shows your independent variable is what made something happen in your experiment.

Answer:

E. The population of sea urchins would immediately increase, which could lead to a decrease in the size of the kelp population over time as the sea urchins consume more kelp.

Explanation:

If sea otters were removed from the food web, the population of sea urchins would immediately increase. This is because sea otters are a natural predator of sea urchins, and they help to control the sea urchin population. When sea otters are removed, the sea urchin population can grow rapidly and consume large amounts of kelp, which is a primary food source for many organisms in the ecosystem.

Therefore, the answer is E. The population of sea urchins would immediately increase, which could lead to a decrease in the size of the kelp population over time as the sea urchins consume more kelp.

The fats present in the top layer of fresh milk can be separated from the rest of the milk by the help of density gradient. Thus, the correct option is A.

Different molecules present in a cell or liquid can be separated on the basis of density gradient. Density gradient is the difference in the density of compounds. It is a spatial variation in density over an area in a compound or cell. It is used to describe the changes in the densities of matter. This is used widely in laboratory for the purpose of the separation of compounds such as DNA, RNA, proteins, cell organelles.

The fats present in milk does not mix well due to difference in their densities with the other parts of the milk. The fats in milk has a lower density than the other compounds present in the milk.

Therefore, the correct option is A.

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Answer:

False

Explanation:

it consists of neuron and neuroglia

Answer:

False

Explanation:

It consists of neurons and glial cells

Answer:

.B

Explanation:

once at the full moon phase