what enzyme is responsible for joining the trna molecule with its amino acid?

Answer:

the answer is D

Explanation:

Elderly people fear dependency because they lose their independence, It necessitates new role behaviors and their status in society changes. Thus, option D is correct.

Dependency is when a person is helpless and he or she needs someone else for work and life. Children are dependent on their parents. Elder people depend upon their children because they can't do all things on their own.

Explicit Dependencies states that the classes and methods should explicitly require , via constructor or method parameters all the collaborating objects that are required for the function to work properly .

Classes with the implicit dependencies cost very high for the maintenance than the explicit dependencies. Even , the implicit dependencies are difficult to test as they are tightly coupled to their collaborators .

Therefore, Elderly people fear dependency because they lose their independence, It necessitates new role behaviors and their status in society changes. Thus, option D is correct.

Learn more about Elderly people on:

https://brainly.com/question/28449390

#SPJ5

Answer: Mountain, small stream

Explanation:

Referring to the previous question. to demonstrate the response of several daphnia genotypes across a wide range of environments, luc de meester (1996) measured the change in phototactic behavior of daphnia sampled from lakes that contained different numbers of predatory fish This is an example of a field study.

Luc de Meester (1996) measured the change in phototactic behavior of Daphnia to demonstrate the response of several Daphnia genotypes to a broad range of environments. It is an example of a field study. A field study is a scientific investigation performed in the natural setting, where the researcher maintains little control over the environment.

Field studies can be used to investigate how a variety of factors influence a particular phenomenon, such as animal behavior. Field studies are used to conduct scientific investigations in natural settings where the researcher has little control over the environment. Field studies are commonly used to investigate a range of issues, such as animal behavior and the effect of pollutants on the natural environment, among other things. Field studies, on the other hand, have a disadvantage in that the data obtained can be influenced by variables that the researcher cannot control.

Learn more about phototactic behavior at:

https://brainly.com/question/21582621

#SPJ11

Answer:

In cystic fibrosis, there is an alteration in the chlorine channels of all cells, so all kinds of body secretions are affected.

Body fluids thicken at the intestinal level, forming a mucus that blocks the ducts that carry digestive enzymes from the pancreas to the intestine.

These enzymes are responsible for generating nutrients or proteins, vitamins and even fats are absorbed.

Explanation:

This intestinal factor results in malnutrition, growth impairment, hypovitaminosis, decay, anemia, capillary fragility, decline and fatigue.

Answer:

1. Acquiring coal:

2. Acquiring natural gas:

3. Both acquiring coal and natural gas:

Explanation:

Coal mining, natural gas extraction, or both may have isolated impacts. landslides and Sinkholes are possible side effects of coal mining.

Natural gas production has been linked to the occurrence of earthquakes.

When both coal and natural gas are mined, methane gas is discharged into the air. Also can contaminate the groundwater. Consideration of these environmental impacts is essential when considering the merits of coal and natural gas as energy sources.

Additionally, Coal mining has a multiplicity of negative consequences for the environment, including the emission of sulfur dioxide and heavy metals into the air and water. However, methane leaks during natural gas extraction and transportation might amplify the effects of global warming. Therefore, it is crucial that we comprehend and lessen these particular effects if we are to make educated choices regarding our energy resources.

http://brainly.com/question/13022193 has more details about energy sources.

The 3 stages of development in sequence from conception to birth are germinal stage, embryonic stage & fetal stage.

1) Germinal stage: This is the first stage of prenatal development that begins at conception and lasts until the second week of pregnancy. During this stage, the fertilized egg (zygote) undergoes cell division and eventually forms a blastocyst that implants in the uterine wall.

2) Embryonic stage: This is the second stage of prenatal development that lasts from the third week to the eighth week of pregnancy. During this stage, the blastocyst develops into an embryo, and the major organs and body systems begin to form.

3) Fetal stage: This is the final stage of prenatal development that begins at the ninth week of pregnancy and lasts until birth. During this stage, the fetus grows and matures, and the organs and body systems continue to develop and become functional.

To know more about prenatal development, refer here:

https://brainly.com/question/28100736#

#SPJ11

Human activities have a significant impact on biogeochemical cycles. The correct answers are:

1. Human activities disrupt biogeochemical cycles through deforestation, burning fossil fuels, and releasing excessive greenhouse gases.

2. Excessive accumulation of carbon dioxide from human activities contributes to global warming and climate change, making it classified as a pollutant.

Humans affect biogeochemical cycles through activities such as deforestation, burning fossil fuels, and industrial processes, which release excessive amounts of carbon dioxide, methane, and other greenhouse gases into the atmosphere, leading to climate change and disrupting natural cycles.

While carbon dioxide is a natural component of the atmosphere, its excessive accumulation due to human activities has resulted in adverse effects such as global warming and climate change. The classification of carbon dioxide as a pollutant is based on its role in causing harm to ecosystems and human health when present in excessive quantities.

Therefore, human actions have altered these cycles, leading to imbalances and environmental challenges on a global scale.

For more details regarding deforestation, visit:

https://brainly.com/question/32556346

#SPJ4

Answer:

The correct answer is B) C-U-G.

Explanation:

In the genetic code, each amino acid is specified by a sequence of three nucleotides, known as a codon. The codon for aspartic acid is C-U-G, which is read from the DNA template strand as G-A-C.

The DNA code for aspartic acid is C-U-G. Therefore, option (B) is correct.

The long molecule known as DNA, also known as deoxyribonucleic acid, contains our individual genetic code. It contains the instructions for making all of our body's proteins, similar to a recipe book.

The hereditary code can be perused utilizing a codon outline. To use this chart, first find the first, then the second, and then the third nucleotide in the codon. Then, the chart will show which codon codes for which amino acid.

Guanine, cytosine, adenine, and thymine—commonly referred to as G, C, A, and T, respectively—are the only four key chemicals in which the DNA of life on Earth naturally stores its information.

Learn more about DNA code:

https://brainly.com/question/9107826

#SPJ2

Answer: The answer is attached with the image given below.

Explanation: The first diagram has the concentration of water molecules higher inside the cell than that of the surroundings, as a result, water molecules move outside the cell thereby causing the cell to shrivel.

The second diagram has a higher concentration of water molecules in the surrounding than inside the cell. As a result, the water molecules from outside will move inside the cell causing the cell to burst.

In the third diagram, the concentration of water molecules in the solution is the same as the inside of the cell. As a result, no net movement of water molecules occurs, causing no effect on the cell.

Learn more about osmosis-

brainly.com/question/19164620

Melanocortin neurons in the arcuate hypothalamus signal anabolic and catabolic processes. These neurons play a crucial role in regulating energy balance by controlling appetite, metabolism, and body weight.

Anabolic processes refer to the promotion of energy storage and the building of tissues, while catabolic processes involve the breakdown of stored energy and tissues for fuel. Melanocortin neurons in the arcuate hypothalamus release neuropeptides that suppress appetite and increase energy expenditure, thereby promoting catabolism and inhibiting anabolism. This balance helps maintain homeostasis and prevent excessive weight gain or loss.

Agouti-related peptide (AgRP) neurons in the arcuate hypothalamus primarily signal anabolic processes. These neurons are known for their role in stimulating appetite and promoting energy storage. AgRP is a neuropeptide released by these neurons, and it acts to increase food intake and decrease energy expenditure. By signaling anabolic processes, AgRP neurons contribute to weight gain and energy conservation. They are part of a complex neural network involved in regulating feeding behavior and energy balance. Dysfunction of AgRP neurons can lead to disruptions in appetite regulation and metabolic disorders such as obesity.

learn more about hypothalamus here:

https://brainly.com/question/31814210

#SPJ11

The lac operon in E.coli regulates genes that code for enzymes required for the breakdown of lactose. The lac operon is an inducible operon that is activated in the presence of lactose.

It is a cluster of genes in bacteria that is responsible for the metabolism of lactose. The lactose operon consists of three structural genes, lac Z, lac Y, and lac A, that code for enzymes that break down lactose, and a regulatory region, which includes the promoter, operator, and lac I gene. It functions as a switch that turns genes on or off in response to environmental changes. The regulatory region of the lactose operon contains the operator and the promoter. The operator is a DNA sequence that regulates the expression of the genes by acting as a binding site for the regulatory protein.

The promoter is a DNA sequence that is recognized by RNA polymerase, which initiates the transcription of the genes. The lac I gene codes for a regulatory protein called the lac repressor. The lac repressor binds to the operator region of the lac operon and prevents RNA polymerase from transcribing the genes. In the absence of lactose, the lac repressor is active and the lac operon is turned off.

When lactose is present in the environment, it binds to the lac repressor and changes its conformation, preventing it from binding to the operator. This allows RNA polymerase to bind to the promoter and transcribe the genes necessary for lactose metabolism. Thus, the lactose operon is an inducible operon that is activated in the presence of lactose.

Know more about metabolism of lactose here:

https://brainly.com/question/31443483

#SPJ8

Answer:

There is evidence of seafloor spreading.

Explanation:

Answer: d. They have iron oriented in different directions.

The advantage for plants having undigestible seeds is that it allows seeds to reside in the gut until conditions are appropriate for germination.

Fruits are a source of nutrition for animals that consume them, and they are also a means of seed distribution for plants that produce them. Many types of plants generate fruit that is consumed by animals; nevertheless, the seeds of such plants are usually indigestible. As a result, the seeds can be dispersed into new areas by animals that eat the fruit.

However, having undigestible seeds provides a distinct benefit to plants: it allows seeds to reside in the gut until conditions are appropriate for germination, which aids in seed growth and germination.

Learn more about  germination.

https://brainly.com/question/1675149

#SPJ11

Answer:

there it is fella

i guess the hand writing is not that bad

Answer: The leafs capture the suns energy.

Answer:

Sunlight is captured by chlorophyll.

Desertification is the change of a normal land in desert. The expansion of the Sahara desert refers to the desertification of the Sahara.

Sahara desert is in Morocco. It is famous for its variety of land features but is most famous because of sand dune fields.

Desertification can leads to the reduction of the vegetation-covered area. The Sahara desert also is constantly expanding at a faster rate.

The cause of Sahara desertification includes both natural processes such as climate and human activities.

Thus the correct option is A.

For more details about desertification, visit:

https://brainly.com/question/24255548

Answer:

Photosynthesis takes place through several steps which occur during two stages: the light phase and the dark phase.

Explanation:

In the light-dependent process, which takes place in the grana, the stacked membrane structure within chloroplasts, the direct energy of light helps the plant to make molecules that carry energy for utilization in the dark phase of photosynthesis. The plant uses light energy to generate the co-enzyme Nicotinamide adenine dinucleotide phosphate, or NADPH and ATP, the molecules that carry energy. The chemical bonds in these compounds store the energy and are used during the dark phase

The dark phase, which takes place in the stroma and in the dark when the molecules that carry energy are present, is also known as the Calvin cycle or C3 cycle. The dark phase uses the ATP and NADPH generated in the light phase to make C-C covalent bonds of carbohydrates from carbon dioxide and water, with the chemical ribulose biphosphate or RuBP, a 5-C chemical capturing the carbon dioxide. Six molecules of carbon dioxide enter the cycle, which in turn produces one molecule of glucose or sugar.

Answer:

Typically, scientists communicate their work within the scientific community by writing and publishing research articles and presenting posters and oral communication of scientific conferences.

Answer:

Scientists often communicate their research results in three general ways. One is to publish their results in peer-reviewed journals that can be ready by other scientists. Two is to present their results at national and international conferences where other scientists can listen to presentations.

Nucleotide, nucleosome, coiled fiber, chromosome, genome.

A nucleosome is the basic repeating unit of eukaryotic chromosome packaging, consisting of a segment of DNA wrapped around a histone protein core.

A nucleotide is the basic unit of DNA, consisting of a sugar molecule, a phosphate group, and a nitrogenous base.

A genome is the complete set of genetic information in an organism, including all of its genes and non-coding DNA.

Learn more about chromosome here:

https://brainly.com/question/29514935

#SPJ1

1. Snout: Pigs have a snout which is a long, protruding nose that they use to search for food. Humans, on the other hand, have a relatively flat nose.
2. Tail: Pigs have a curly tail while humans don't have a tail at all.
3. Skin: Pigs have thicker skin with more hair and bristles than humans, who have relatively thin and hairless skin.

Differences in the external anatomy of a pig and a human. Here are three key differences:

1. Limbs: Humans have two arms and two legs with opposable thumbs on their hands, which aid in grasping objects. Pigs have four legs, each ending in a cloven hoof, which is better suited for walking on various terrains.

2. Body Hair: Human body hair is relatively sparse and short compared to that of pigs. Pigs have a thicker coat of hair (bristles) covering their bodies, which provides protection and insulation.

3. Snout: Pigs have a distinct, elongated snout with a flat, rounded end. This snout is used for rooting in the ground to search for food. Humans, on the other hand, have a relatively flat face with a smaller, more protruding nose.

Learn more about nose here:-

https://brainly.com/question/31061985

#SPJ11

The dura mater is the outer, strong, thick membrane layer that is located just below your skull and spinal column.

The cerebral dura mater, the topmost layer of the meninges, is formed of dense, asymmetric connective tissue. It has two layers, with the periosteal cranial dura serving as the outermost layer. The inner table of the cranial vault bones are covered, acting as the periosteal layer of the skull.

The brain and spinal cord are protected by meninges, three-layered membranes. The thin inner layer is known as the pia mater. The middle layer is the arachnoid, a web-like structure filled with fluid that protects the brain.

To know more about spinal column visit :-

https://brainly.com/question/6957362

#SPJ4

The split between the two groups of anthropoids (simians) is thought to have occurred during the Eocene epoch, which lasted from about 56 to 33.9 million years ago.

The two groups of anthropoids are:

Platyrrhines (New World monkeys): These monkeys are found in Central and South America and have broad, flat noses with nostrils facing sideways. They are thought to have split from the common ancestor of anthropoids around 40-43 million years ago.

Catarrhines (Old World monkeys and apes): These primates are found in Africa and Asia and have narrow, downward-facing nostrils. They are thought to have split from the common ancestor of anthropoids around 25-30 million years ago.

Learn more about anthropoids here: https://brainly.com/question/27380927

#SPJ1

Answer:

Slope is 0

Explanation:

Follow the formula

m=y2-y1/x2-x1

17. The effect sizes for SNPs linked to performance on IQ tests are indeed very small.

18. This statement is false, Diseases like type II diabetes and lung cancer are complex diseases that are likely caused by mutations in multiple genes.

19. This statement "SNPs that are associated with disease using GWAS design should be considered for further molecular functional studies" is true.

17. The effect sizes for SNPs linked to performance on IQ tests are indeed very small. These tiny effect sizes mean that each SNP makes only a minuscule contribution to overall IQ performance. Since IQ is a complex trait that depends on the interaction of many genes and environmental factors, engineering humans with super high IQ through genetic manipulation would require changing many SNPs. Even if we could identify all the SNPs that contribute to high IQ and manipulate them all, the effect size of each individual SNP would be so small that the increase in IQ would likely be minimal. Additionally, manipulating multiple genes could have unforeseen consequences, and we cannot predict how the various genes would interact with each other.

18. False. Diseases like type II diabetes and lung cancer are complex diseases that are likely caused by mutations in multiple genes. While some single gene mutations can increase the risk of these diseases, they are not the sole cause of the disease. In many cases, environmental factors such as diet, smoking, and physical activity play a significant role in the development of these diseases. Therefore, it is important to take a holistic approach to studying and treating complex diseases like diabetes and cancer.

19. True. SNPs that are associated with disease using GWAS design should be considered for further molecular functional studies. These studies can help us understand the biological mechanisms underlying the association between SNPs and disease, which could lead to the development of new treatments or prevention strategies. However, it is important to remember that GWAS studies only identify associations between SNPs and disease, not causation. Therefore, functional studies are necessary to establish a causal relationship between SNPs and disease.

To know more about IQ tests click here:

https://brainly.com/question/14502949

#SPJ11

The label on the animal cells for each organelle is attached below.

Cell membrane: The cell membrane is the outer layer of the cell. It protects the cell from its surroundings and controls what enters and leaves the cell.

Rough endoplasmic reticulum: The rough endoplasmic reticulum is a network of membranous sacs that are dotted with ribosomes. The ribosomes are responsible for making proteins.

Ribosome: Ribosomes are small organelles that are responsible for making proteins. They are found free in the cytoplasm or attached to the rough endoplasmic reticulum.

Golgi apparatus: The Golgi apparatus is a stack of flattened sacs that are involved in processing and packaging proteins.

Mitochondrion: The mitochondrion is the "powerhouse" of the cell. It produces energy in the form of ATP.

Centrosome: The centrosome is a small structure that contains two centrioles. The centrioles are involved in cell division.

Smooth endoplasmic reticulum: The smooth endoplasmic reticulum is a network of membranous sacs that are not dotted with ribosomes. The smooth endoplasmic reticulum is involved in a variety of functions, including lipid synthesis and detoxification.

Nucleus: The nucleus is the control center of the cell. It contains the cell's DNA, which is the genetic material.

Find out more on animal cell here: https://brainly.com/question/27121829

#SPJ1

Changes in experimental conditions can have a significant impact on enzyme-mediated reactions. Enzymes are biological catalysts that facilitate chemical reactions in living organisms. Here are some ways in which changes in experimental conditions can affect enzyme-mediated reactions:

Temperature: Enzyme activity is affected by temperature. Increasing the temperature generally enhances the reaction rate by providing more energy for the enzyme-substrate interaction. However, excessively high temperatures can denature the enzyme, leading to a loss of activity. Lower temperatures may slow down the reaction rate.

pH: Enzymes have an optimal pH at which they exhibit maximum activity. Deviating from this optimal pH can affect the enzyme's structure and disrupt its ability to bind to the substrate. Changes in pH can lead to altered ionization states of amino acid residues in the enzyme's active site, affecting enzyme-substrate interactions.

Substrate Concentration: The concentration of the substrate can influence the rate of an enzyme-catalyzed reaction. As substrate concentration increases, the rate of the reaction typically increases until the enzyme's active sites become saturated. At this point, further increases in substrate concentration will not significantly increase the reaction rate.

Enzyme Concentration: The concentration of the enzyme itself can affect the reaction rate. Higher enzyme concentrations generally lead to faster reaction rates, assuming other factors are not limiting. More enzyme molecules mean a greater chance of collisions with the substrate.

Inhibitors and Activators: Various substances can inhibit or activate enzyme activity. Competitive inhibitors compete with the substrate for binding to the enzyme's active site, thereby reducing the reaction rate. Non-competitive inhibitors bind to the enzyme at a site other than the active site, causing conformational changes that reduce catalytic activity. Activators, on the other hand, enhance enzyme activity.

Co-factors and Coenzymes: Enzymes may require specific co-factors or coenzymes to function properly. Changes in the availability or concentration of these cofactors or coenzymes can impact the enzyme's activity. For example, some enzymes require metal ions or vitamins as co-factors for catalytic activity.

It's important to note that the specific effects of changes in experimental conditions on enzyme-mediated reactions can vary depending on the particular enzyme and reaction being studied. Experimental optimization is often necessary to determine the ideal conditions for maximizing enzyme activity and reaction efficiency.

Learn more about enzyme-mediated reactions:

https://brainly.com/question/28929315

#SPJ11

This labeled diagram of a plant cell is an example of cellular anatomy.

To learn more about cellular anatomy refer to:

https://brainly.com/question/13880600

#SPJ1

Answer:

Carboxylhaemoglobin.

Explanation:

It has more affinity than oxylhaemoglobin. You see carbon monoxide bonds with haemoglobin to form carboxylhaemoglobin which is lethal that is can cause death.

Explanation:

Which is a function of the lymphatic system?

Maintaining fluid balance...

\(...\)