The relationship between flowering plants and bees is best described as ________.

Answer:

The plant stem has a function in transportation of water from the roots to the leaves. The xylem vessels present in the stem conducts water by the application of adhesive forces. The water molecules gets adhere to the walls of the xylem vessels, the water is being taken up by the capillary action against the force of gravity exerted by the earth.

Which of the following occurs in the matrix of a mitochondrion?

A) ETC

B) glycolysis

D) carbon fixation

Transfer RNA (tRNA) is a molecule that brings amino acids to the ribosome during translation by recognizing the codons on mRNA and matching them with the correct amino acid.

Transfer RNA (tRNA) is a molecule that brings amino acids to the ribosome during translation. tRNA recognizes the codons on mRNA and matches them with the correct amino acid. It has an anticodon on one end that complements the codon on the mRNA, and a binding site for a specific amino acid on the other end.

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The addition of a phosphate group to a substrate is called Phosphorylation. the enzyme that catalyzes this reaction is referred to as a kinase.

A protein kinase phosphorylates an amino acid residue by adding a covalently bonded phosphate group, which is a reversible post-translational alteration of proteins.

Protein phosphatases catalyze the process of dephosphorylation, which is the opposite of phosphorylation. Protein kinases and phosphatases control how proteins function by acting independently and cooperatively.

Serine, threonine, and tyrosine are the amino acids that are most often phosphorylated in eukaryotes. Prokaryotes and plants also frequently phosphorylate histidine (though it is now known to be common in humans).

Therefore, The addition of a phosphate group to a substrate is called Phosphorylation. the enzyme that catalyzes this reaction is referred to as a kinase.

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An animal with thick fur is best suited for tundra biome.

Tundra biome is a flat and treeless arctic biome that is characterized by low temperatures and very short growing seasons. The climate of the tundra biome is very harsh, windy and extremely cold for most part of the year. Animals with thick fur are best suited for tundra biome. The thick fur of animals is a special adaptation that functions as an insulator protecting animals from the harsh climate in the environment. The thick fur helps animals to retain their body heat, keeping them warm and reducing heat loss. Examples of animals with thick fur that can be found in the tundra biome include; Polar bear, Tundra and Arctic Wolves and Musk Oxen.

The sun's energy causes puddles of water to undergo evaporation, turning the water into vapor which enters the atmosphere and can lead to precipitation, an essential part of the water cycle.

When the sun heats up the surface of a puddle of water, the process that occurs is known as evaporation. This energy from the sun causes the surface water to change from liquid to gas form, resulting in water vapor. This vapor then accumulates in the atmosphere, can lead to cloud formation, and ultimately, precipitation such as rain or snow. This process is a critical component of the water cycle, which includes the continuous movement of water on, above, and below the surface of the Earth.

In simpler terms, the energy from the sun will cause puddles to gradually disappear as the water becomes vapor and joins the water cycle. This evaporation can happen not only to puddles but also to other bodies of water like lakes, streams, and oceans. The rate of evaporation increases with higher temperatures and depends on the amount of moisture already present in the air.

Proteins fold into three-dimensional shapes after synthesis due to various chemical interactions within the protein and the properties of the surrounding cellular environment. This process is crucial because the shape significantly determines a protein's function. Misfolding could cause dysfunctional proteins and lead to diseases.

After proteins are synthesized as long chains of amino acids, they do not remain as linear structures but rather fold into specific three-dimensional shapes. This process, called protein folding, is crucial because the shape of a protein determines its function within an organism. Factors like chemical interactions within the protein, the protein’s sequence of amino acids, and the surrounding environment of the cell, contribute to the protein folding pattern. The bonding and interactions between the amino acids within the protein, such as hydrogen bonds, ionic bonds, and van der Waals interactions, lead the protein to take on a stable structure, which is often a 3D shape, like a globular or fibrous form. Misfolding of proteins can lead to the dysfunction of the protein, resulting in diseases like Alzheimer's or Cystic fibrosis.

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The first recorded use of forensic entomology in a criminal case is said to have occurred in 1235 AD. Hence, the correct option is B.

This historic event happened in a Chinese text titled The Washing Away of Wrongs by Song Ci, which describes how an investigation determined which farm implement killed a person by observing which one attracted flies. Though none of the options provided in the question accurately match this historical event, the question may be referring to a commonly cited example of forensic science application in history, emphasizing the long-standing relationship between law enforcement and the study of insects.

Degeneracy of the genetic code is a key characteristic that reduces the negative impact of mutations by allowing similar amino acids to be encoded by multiple codons, which differ by only one nucleotide, thus maintaining protein functionality.

Characteristic of the Genetic Code That Lowers the Likelihood of Mutation

One characteristic of the genetic code that reduces the likelihood of mutation having a negative impact is degeneracy. Degeneracy means that multiple codons can code for the same amino acid. Often, these codons differ by only a single nucleotide. If a mutation occurs, changing one of these nucleotides, the amino acid coded for might remain the same, or it might change to a similarly behaving amino acid. This aspect of the genetic code helps maintain protein functionality despite mutations. Additionally, amino acids with similar chemical properties tend to be encoded by similar codons, which further helps to conserve protein structure and function in the event of mutations.

Moreover, the genetic code is unambiguous and universal, which are additional important characteristics that illustrate its robustness. Each codon corresponds to one specific amino acid (or a start/stop signal), and this unambiguity prevents confusion during protein synthesis. The universality of the genetic code across all known living organisms highlights a shared evolutionary origin and ensures consistency in how genetic information is translated into proteins.

Answer: Sugars

Explanation:

The process by which the plants make food is photosynthesis. This is done in order to produce carbohydrates which is in the form of glucose when formed.

The potato is stored form of starch in the plant body. The sugars in the plants is first used then it is stored in the plant body for further use.

The starch in the plant body is stored at different places in the plant body. In the roots, stems and flowers.

All these were in the form of sugar in the plant body just after photosynthesis.

Final answer:

The mark of sexual maturation for a boy that is most comparable to menarche for a girl is spermarche, the first ejaculation, marking a significant milestone in a boy's puberty, usually around 13 to 14 years old.

Explanation:

The mark of sexual maturation for a boy that is most comparable to menarche for a girl is spermarche. Menarche marks the onset of menstruation in girls, typically occurring around the ages of 12 to 13 years old, and signifies a key point in sexual maturation and the ability to reproduce.

Similarly, spermarche, the first ejaculation, represents a comparable developmental milestone in boys, usually happening around 13 to 14 years old. This event indicates that the male's body is starting to produce viable sperm, marking a significant step in sexual maturation.

Both menarche and spermarche are influenced by various factors, including genetics, diet, and overall health, and they signify the body's entry into reproductive capability. While the onset and pace of these developments can vary widely among individuals, they are central components of puberty that signal the maturation of the body's reproductive organs.