Which of the Following Statements about enzymes is Not True
A( enzymes work best at a specific pH
B( all enzymes have the same shape as their substrates
C( enzymes are proteins
D( the shape of an enzyme allows it do its job

Answer:

The sugar in their blood

Explanation:

Answer: The sugar in thier blood

Explanation: JUST GOT 100%

Science teachers consider practical sciences to be a valuable component of science education for several reasons:

Hands-on Learning: Practical sciences provide students with the opportunity to engage in hands-on learning experiences. This approach allows students to actively explore and manipulate materials, conduct experiments, and make observations.

Example: In a biology class, students may conduct a dissection of a preserved specimen to study the anatomy and structure of organisms. By physically dissecting and examining the different organs and systems, students gain a tangible understanding of the subject matter.

Application of Theory: Practical sciences enable students to apply theoretical knowledge acquired in the classroom to real-world situations. By engaging in practical activities, students can bridge the gap between abstract concepts and their practical applications, fostering a more comprehensive understanding of scientific principles.

Example: In a chemistry class, students might perform experiments to understand chemical reactions and concepts like stoichiometry. By actually mixing and observing different substances, measuring quantities, and analyzing the results, students can see how theoretical concepts translate into practical applications.

Development of Scientific Skills: Practical sciences help students develop essential scientific skills, such as critical thinking, problem-solving, observation, data analysis, and communication. Through practical activities, students learn to formulate hypotheses, design experiments, collect and analyze data, draw conclusions, and communicate their findings effectively.

Example: In a physics class, students could design and conduct an experiment to investigate the relationship between force and motion. By planning the experiment, taking measurements, analyzing the data, and presenting their findings, students enhance their scientific skills and develop a deeper understanding of physics concepts.

Engagement and Motivation: Practical sciences often increase student engagement and motivation in science education. Hands-on activities provide a more interactive and dynamic learning environment, making science more interesting and accessible to students. It can spark curiosity, promote active participation, and cultivate a sense of wonder and excitement about the natural world.

Example: In an environmental science class, students may visit a local ecosystem to conduct field observations, collect samples, and analyze the data they gather. By immersing themselves in the real environment and actively participating in the scientific process, students are more likely to be motivated and engaged in their learning.

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Answer:

Nucleic acids are not essential for nutrition

Explanation:

Nucleic acids are a group of biomolecules that functions in the storage and transmission of genetic material within living organisms. DNA is one of the nucleic acids found in nature.

DNA is a storage molecule i.e stores genetic information. It does not store energy, hence, it doesn't serve the purpose of providing nutrient in a cell. Therefore, DNA will not be included on the nutrition labels for strawberries because they are not essential biomolecules for nutrition.

what

Explanation:

what you talking about

An ecosystem greatly differs from a community. An ecosystem may consist of all biotic and abiotic factors of a specific environment that interacts with one another directly or indirectly. While the community may be defined as a group of organisms that are living in a particular environment with numerous common characteristics.

An ecosystem may be defined as a place or an area where individuals of several species live and interact with one another in the presence of abiotic factors for the purpose of food, shelter, and space. For example, Forests, estuaries, grasslands, etc.

Community includes only living entities that are living in the same area at a given time. It is narrower than the ecosystem. For example, plants, animals other life forms, etc.

Therefore, it is well described above.

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Answer:

Unisexual and bisexual organisms are differentiated based on the reproductive systems they posses. Unisexual organisms have separate sexes male or female. Male and female reproductive systems are present in different individuals hence unisexual organisms produce male or female gametes but never both. Bisexual organisms have both male and female reproductive systems within the same individual. Hence, they are capable of producing both types of gametes. Some flowers are unisexual, and they possess only pistils or stamens. Some flowers are bisexual, and they possess both stamens and pistils together. This is the difference between unisexual and bisexual organisms.

The best drug combination for malaria with the criteria that side effects have to be none to mild, drug resistance has to be under 20%, and malaria population has to decrease is the combination of artemether-lumefantrine (AL) and piperaquine-dihydroartemisinin (PQ-DHA).

Malaria is an infectious disease caused by a protozoan parasite. Artemether-lumefantrine (AL) and piperaquine-dihydroartemisinin (PQ-DHA) are two antimalarial medications that work by killing the malaria parasite in the body. They are also effective against drug-resistant malaria strains and have been shown to have minimal side effects.AL and PQ-DHA are included in combination treatments for malaria.

The benefits of using these drugs together include better efficacy, fewer side effects, and less likelihood of drug resistance. They work together to ensure that the malaria parasite is destroyed effectively.According to clinical studies, the combination of AL and PQ-DHA has been shown to reduce the number of malaria infections and have less than 20% drug resistance. Additionally, these medications have minimal side effects, such as headache, dizziness, and vomiting.

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Answer:

Without the proper balance of water, chemical reactions in cells could not take place.

Explanation: :)

Answer:

4

Explanation:

this is because when the stomata opens during the day it would lose much water to the atmosphere so it tends to open during the night and close during the day

Answer:

i thing it's b or c

Explanation: the earliest bacteria didn't need oxygen at first.and not all living things create the same proteins. it matters on what kingdom and species it is from.

Answer:

The answer is The substrate will not be able to attach to the enzyme's active site.

Because the function of inhibitors is to block the enzyme's activity

Explanation:

PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT

The substrate will not be able to attach to the enzyme's active site. So the correct option is A.

The inhibition is carried out by inhibitors that do not advance the product's development. The inhibitors may affect the enzyme as well as the substrate. Enzyme inhibition is the term used to describe the cessation of enzyme activity.

These enzyme inhibitors can bind to active regions and prevent further action by stopping it. Both reversible and irreversible forms of binding are possible. The ability of an inhibitor to block an enzyme may be irreversible or reversible depending on its unique function. Enzyme inhibitors can block the binding site, which reduces the enzyme's catalytic activity by preventing the substrate from binding to the active site.

Reversible inhibitors bind to enzymes by non-covalent interactions such as ionic bonds, hydrogen bonds, and hydrophobic contacts. Reversible inhibitors do not conduct chemical reactions when they are linked to an enzyme and are quickly removed by dilution or dialysis.

However, irreversible inhibitors usually covalently change an enzyme, making it impossible to reverse inhibition.

Therefore, the correct option is A.

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The physical defense that the tuberculosis bacteria will encounter as they move into your respiratory system includes physical barriers such as respiratory epithelia and then inside the tissue white blood cells that attack pathogenic bacteria.

The role of white blood cells such as killer T cells that attack pathogenic bacteria is to create a line of defense in the immune system against this type of pathogenic agent.

Therefore, with this data, we can see that White blood cells are able to attack and kill pathogenic bacteria.

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Answer:

micronutrituens are classified water soluble vitamin, fat, solublevitamin macromineral andtracemineral.

Answer:

2- this scale rates an earthquake according to how much damage it causes

Mercalli scale rates an earthquake according to how much damage it causes. So, the correct option is B.

The Mercalli scale was invented by Giuseppe Mercalli in 1902, is not regarded as a scientific method for measuring the strength of an earthquake.

The Mercalli scale is used in the observations of people who experienced an earthquake to estimate the intensity, which is measured based on the degree of impact or damage to humans, objects, buildings, and other man-made things.

The scale typically measures the intensity of an earthquake using data such as effects on the Earth, the environment and humans that help predict whether an earthquake was fatal.

Thus, Mercalli scale rates an earthquake according to how much damage it causes. So, the correct option is B.

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The correct links for the definitions and their characteristics including sex chromosomes and reproduction is:

Sex chromosomes are a pair of chromosomes that determine the sex of an individual. XY genotype in the organism results in X chromosomes carrying recessive characteristics being expressed

Haploid refers to a cell or organism that has a single set of unpaired chromosomes. Homozygous refers to an organism that possesses identical alleles of a particular gene. Phenotype refers to the observable traits or characteristics of an organism, which are determined by the interaction of genes with the environment.

Homologous chromosomes are a pair of chromosomes that have the same number and pattern of genes, although they may have different alleles.

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Practical sciences are sometimes left out by teachers due to limited time and resources in educational institutions and may prioritize theoretical knowledge over practical application.

Additionally, practical sciences often require specialized equipment, facilities, or materials, which may not be readily available in schools. Moreover, teachers may feel more comfortable with traditional teaching methods and may lack the training or expertise to effectively integrate practical sciences into their curriculum.

Standardized tests and assessment frameworks that focus on theoretical concepts further discourage the inclusion of practical sciences. However, recognizing the importance of hands-on learning experiences, efforts should be made to bridge this gap and promote the integration of practical sciences into educational settings.

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Answer:

1. Genetic information

2. Protein

Explanation:

RNA world hypothesis was proposed by certain scientists due to their view of RNA being the original site of information storage in the primitive cell. This hypothesis was based on the self-replicating and catalytic abilities of the RNA molecule.

RNA was believed to be the main genetic material, with which life started with because of it's ability to store genetic information like DNA and catalyze chemical reactions like proteins. This is the major advantage of the RNA view as the original site of genetic information storage.

However, the DNA (genetic information storage) and protein (catalytic function) has recently taken over both roles from the RNA.

Answer:

Shield.

Explanation:

A volcano can be defined as a hill or mountain having a large circular or conical hole at the top through which volcanic ash, gases, rock fragments, hot lava, dust, steam etc., are or have been expelled from the vent of a planetary-mass object, either at regular intervals or continuously.

Shield is a type of volcano that is created when a volcano erupts and releases lava, which then hardens over previous lava over millions of years. Shield volcano is the largest volcano on planet earth with shallow sloping sides and are formed by hot non-acidic fluid lavas that flows easily or have low viscosity

Also, shield volcano is responsible for the formation of the Hawaiian Islands in the middle of the Pacific plate.

Answer:

he if i may ask what i your question exactly?

you'd use the equation that establishes a relationship between  energy  and  wavelength, which looks like this

e=h⋅cλ, where

λ  - the wavelength of the photon; c  - the speed of light, usually given as  3⋅108m/s; h  -  planck's constant, equal to  6.626⋅10−34j s

plug the value you were given for the energy of the photon in the above equation to get the wavelength

e=h⋅cλ⇒λ=h⋅ce

λ=6.626⋅10−34js⋅3⋅108ms−1.257⋅10−24j=1.581⋅10−1m

The genes are more on the side of.. b natureAnswervery high orbital velocities in a very compact region;

Explanation:

Answer:

D) There are 6 grams of monosaccharides and 6 grams of disaccharides in the cookies.

Explanation:

A) There are more mono- and disaccharides than cellulose in the cookies.  = True

The statement is true because, out of the 22 grams of total carbohydrates,there are 12 grams of sugars (mono- and disaccharides) and 2 grams of fiber in the chocolate mint cookies

B) There are 8 grams of carbohydrates in the cookies that are not monosaccharides, disaccharides, or fiber.  = True

This statement is true because out of the 22 grams of total carbohydrates,there are 12 grams of sugars and 2 grams of fiber in the chocolate mint cookies. Therefore, the remaining 8 g of carbohydrates are neither sugars nor fibers.

C) The majority of the carbohydrates in the cookies will be able to be broken down via hydrolysis reactions when eaten.  = True

This statement is true because out of the 22 g of carbohydrates in the cookies, only 2 g of cellulose fiber can not be broken down by the human body via hydrolysis. Other forms of carbohydrates are broken down by the body.

D) There are 6 grams of monosaccharides and 6 grams of disaccharides in the cookies. = False

This statement is false because the ratio of the monosaccharides to disaccharides in the sugar was not statedor whether the sugar present, is a monosaccharide or disaccharide.

The lake's pH has become acidic; in 1989, it was 6.7; by 1996, it had dropped to 5.1. This shows that the increase in the acidity which has several bad impacts on the lake water ecosystem and its community.

The freshwater ecosystem differs from the oceanic saltwater ecosystem in that freshwater contains phytoplankton, edible fish, and so on. The fresh water has a normal pH, but the pH decreases and induces acidity when the water is polluted with different chemicals, such as nitrogen oxide, sulfur dioxide, etc.

When acid rain happens due to man-made pollution, this further adds acidity to the fresh water, and as a result, the species that live in the lake are not able to live and breathe properly due to a lack of oxygen. The acidity in the table increased year after year from 1989 to 1996.

Hence, the acidity of the lake increased and the pH decreased in these years, from 1989 to 1996.

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The term "epithelium" refers to layers of cells that line hollow organs and glands. It is also those cells that make up the outer surface of the body.

1) simple squamous; 2) simple cuboidal; 3) simple columnar; and 4) pseudostratified.

The expected molecular weight for the Cas9 fusion protein shown on the western blot is 392kDa.

Given the approximate weights for the following proteins as:

Myh6: 228 kDa

Myc tag: 2kDa

NLS: 2 kDa

SpCas9: 160 kDa

TdTomato: 56 kDa

bGH: 25 kDa

From the diagram we can see that the proteins Myh6, is fused with protein SpCas9 in presence of other proteins such as Myc tag and NLS to produce a TdTomato as product. The molecular weight of the Cas9 fusion protein will depend on the number and type of fusion components present within the protein.

The molecular weight of SpCas9 is 160 kDa, and the molecular weight of the Myc tag and NLS is 2 kDa each, the weight of Myh6 is 228 kDa.

Then the expected molecular weight for the Cas9 fusion protein shown on the western blot would be = 228 + 2 + 2 + 160 = 392kDa

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You should avoid collecting soil samples from areas where there has been a recent fire, as the soil will be too hot to touch.

What is soil samples?
Taking a small sample of soil and sending it to a lab to be tested for nutrient content is known as soil sampling. The soil's essential to plant nutrition chemical, physical, and biological characteristics can also be examined. The presence of nutrients like nitrogen, phosphorus, and potassium is necessary for basic plant nutrition; soil sampling can also measure the soil's pH levels, humus content, availability of lime, complete sulphur content, and total CaCO3 content. Taking soil samples, performing laboratory tests on them, and then interpreting the results are all part of the analysis of the soil. Then, more advice on fertiliser as well as soil preservation can be given.

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