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Explain how traveling in a flock is an adaptation of organisms including birds, dinosaurs, and many other animals.

Answer:

C) A red blood cell and hair follicle cell have the same genes, but they are expressed differently

Explanation:

All cells of a living organism contain the same genetic sequence i.e. they contain the same set of genes, however, differences in the expression of these genes may occur. This is responsible for the different specific roles or functions played by organs of the body system.

The expression of a gene refers to the process by which a gene is transcribed and translated into a protein molecule, which is responsible for traits in the body. Genes are expressed differently in order for certain cells to function differently and specifically. For example, difference in expression of genes is responsible for the ability of red blood cells to produce hemoglobin and the inability of hair follicle cells to, even if they contain same genes.

The superkingdom of life called Eubacteria is identical to ArchaeaBacteria. It is important to note that Eubacteria and ArchaeaBacteria are no longer used as official terms in modern taxonomy. Instead, the domains Bacteria and Archaea are used to classify living organisms.

Eubacteria are also known as true bacteria and they are one of the two major groups of prokaryotes, the other being archaea. They are unicellular organisms that lack nucleus and other membrane-bound organelles and are found in diverse environments, including soil, water, and human body. They play important roles in various ecological processes such as nutrient cycling and decomposition.

The superkingdom of life called Eubacteria is identical to the option "Archaeabacteria." Both terms refer to prokaryotic organisms that belong to the Bacteria domain, distinct from Eukaryotes and Diacaria. Eubacteria and Archaeabacteria are used interchangeably to describe these simple, single-celled organisms.

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Answer:

low weight for age, poor appetite, irritability

Explanation:

be low is never fun it has alot of i.pact on our bodies physically but most of all mentally

Answer:

nucleus – the major organelle of the amoeba, located centrally; it controls reproduction (it contains the chromosomes) and many other important functions (including eating and growth). pseudopods – temporary “feet” that the amoeba uses to move around and to engulf food.

Explanation:

Hope it helps you

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Answer:

D

Explanation:

Monosaccharides are simple sugars, whereas cellulose and starch are not. They have many sugars, and therefore are polysaccharides.

Cellulose and starch are examples of polysaccharides.

Polysaccharides are made up of more than two sugar molecules, these are long chains bio-macromolecules act as an important source of energy in animal cell and form a structural component of a plant cell wall.

It can be up two types such as homopolysaccharide and heteropolysaccharide based on the composition of  the  type of monosaccharides.

If the Polysaccharides is a straight chain known as linear polysaccharides, if it  is branched known as a branched polysaccharide.

Polysaccharides not sweet in taste, insoluble in water, hydrophobic, extracted to form a white powder, high molecular weight, compact and osmotically inactive, consist of hydrogen, carbon, and oxygen.

They store energy, water cannot invade the molecules making them hydrophobic, influences the uptake of nutrients and water by the cells,  provide support to the cells.

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The two main drivers of genetic variation are mutations and genetic recombination. They can occur during the process of meiosis.

Meiosis is a process of cell division that occurs in sexually reproducing organisms. In this process, a parent cell divides into four haploid daughter cells that are genetically different from the parent cell and from one another. This is because meiosis involves two rounds of cell division and involves crossing over and random segregation of chromosomes, resulting in genetic variation.

Mutations : Mutation is a change in the DNA sequence that occurs spontaneously during DNA replication. It can occur randomly at any time, although some mutations are more common than others. Mutations can affect gene function and can lead to genetic disorders. They are also an important source of genetic variation in a population.

Genetic recombination : Genetic recombination is the process of shuffling genes between chromosomes. It is a type of genetic variation that occurs during meiosis. During this process, homologous chromosomes pair up and exchange genetic material, creating new combinations of alleles. This is why siblings can have different genetic traits from their parents or from each other.

Hence, two of the main drivers of genetic variation are mutations and genetic recombination. During the process of meiosis, these two events can occur.

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Denaturation becomes spontaneous at a particular temperature when TΔS >  ΔH therefore ΔG becomes negative.

An enzyme is a biological catalyst that promotes various reactions in the body. Enzymes are proteins. There is an optimum temperature within which proteins functions effectively. Beyond this limit, the ability of the protein to function effectively is greatly hampered.

The free energy equation is ΔG =  ΔH - TΔS. Since the energy absorbed increases, the entropy increases and the temperature increases, it follows that a point comes when TΔS >  ΔH therefore ΔG becomes negative and denaturation becomes spontaneous at a certain temperature.

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Explanation:

crime scene investigators and forensic examiners are now using "alternate light sources" to identify residues and prints which cannot be seen under normal light conditions.........could there be a role for them to this end?

The process that can be described as a four-step process for producing ATP from glucose is known as cellular respiration.

It includes four stages: glycolysis, the Krebs cycle, electron transport chain, and oxidative phosphorylation.

During glycolysis, glucose is broken down into two molecules of pyruvate. The Krebs cycle then takes the pyruvate and converts it into energy-rich molecules called NADH and FADH2. In the electron transport chain, these energy-rich molecules are used to produce ATP.

Finally, in oxidative phosphorylation, ATP is produced by using the energy from the electron transport chain. This process is crucial for cellular energy production and is essential for all living organisms.

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Nucleotides contain sugar, a phosphate group, and a nitrogen base and guanine is a nitrogen base​, hence option B is correct.

A phosphate group, a 5-carbon sugar, and a nitrogenous base make up a nucleotide. Adenine, cytosine, guanine, and thymine are the four nitrogenous bases found in DNA. Instead of thymine, uracil is found in RNA.

A nitrogen base and pentose sugar make up a nucleoside. Ribose and deoxyribose are pentose sugars. Purines and pyrimidines are nitrogen bases.

Therefore, guanine is a nitrogen base.

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Answer:

the genotype depends more on if its a boy or girl

Explanation:

3.1 Digestion involves breaking down food into smaller substances.

3.2 The organs involved in digestion include the mouth, esophagus, stomach, small intestine, and large intestine.
3.3 Enzymes, hormones, and bile catalyze the process of digestion.

3.4 The nervous system and endocrine system are involved in keeping the body nourished

3.1 Digestion is the process of breaking down food into smaller molecules that can be absorbed into the body. It involves mechanical and chemical processes, including mastication (chewing), swallowing, and churning in the stomach, as well as enzymatic digestion of proteins, carbohydrates, and fats in the small intestine.


3.2 The mouth is responsible for the mechanical process of mastication (chewing). The esophagus is responsible for transporting food from the mouth to the stomach. The stomach is responsible for the further mechanical and chemical digestion of food. The small intestine is where most digestion and absorption of nutrients occur. The large intestine is responsible for the absorption of water, as well as some vitamins and minerals.


3.3 Enzymes, hormones, and bile are important in digestion. Enzymes and hormones are produced in different parts of the digestive system such as the stomach, pancreas, and small intestine. Enzymes break down large molecules into smaller ones. Hormones regulate the digestive process. Bile is a fluid that helps break down fats. It is produced by the liver and stored in the gallbladder.


3.6. The nervous system is responsible for controlling muscles and organs in the body that are involved in digestion. The endocrine system is responsible for producing hormones that regulate digestive processes.

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Answer:

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Answer:

C

Explanation:

Step 1. mRNA is transcribed in the nucleus, exits to the cytosol through, and binds to a ribosome.

Step 2. Protein synthesis occurs at the rough endoplasmic reticulum.

Step 3. The protein travels by vesicle from one organelle to another inside the cell.

Step 4. The Golgi apparatus processes, sorts, and tags the protein for delivery to its final destination.

Step 5. Exocytosis.

Answer:

Solar energy is the most efficient compared to fossil fuels. The sun is a free and renewable source of energy. Solar energy also has less environmental impact.

Here the outgroup is a protozoa, and all of the traits that the mackerel has are a jaw, a segmented body, and a multicellular body. Lungs evolved first as frog has lungs and then hair evolved.

A cladogram is a diagram used in cladistics, which is a method of analyzing biological relationships based on shared, derived traits. It is a branching diagram that shows the evolutionary relationships among a group of organisms based on similarities and differences in their physical or genetic characteristics. The organisms are grouped into clades, which are defined by shared derived characteristics, or synapomorphies. Synapomorphies are traits that have evolved from a common ancestor and are present in all of its descendants.

Hence, the outgroup is a protozoa, and all of the traits that the mackerel has are a jaw, a segmented body, and a multicellular body. Lungs evolved first as frog has lungs and then hair evolved.

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Answer:

This is a Euglena, a euglena moves by whipping its flagellum around like a helicopter propeller.

Explanation:

Euglena is a genus of single cell flagellate eukaryotes. It is the best known and most widely studied member of the class Euglenoidea, a diverse group containing some 54 genera and at least 800 species.

I found the exact photo and explanation on google .

In the 1979 synthesis of gibberellic acid by Corey and Smith, compound A (ent-kaurene) and compound B (ent-kaurenoic acid) were key synthetic intermediates involved in the construction of gibberellic acid, a plant growth hormone that induces cell division and elongation, resulting in increased plant height and larger leaves.

In the 1979 synthesis of gibberellic acid by Corey and Smith, two important synthetic intermediates were used: compound A, known as ent-kaurene, and compound B, known as ent-kaurenoic acid. These intermediates played a crucial role in the stepwise construction of gibberellic acid.

Ent-kaurene is a key precursor in the biosynthesis of gibberellins, a class of plant hormones that regulate various physiological processes, including cell division and elongation. It serves as the backbone for the synthesis of gibberellic acid. Compound A undergoes a series of chemical transformations, including oxidation and rearrangement reactions, to eventually form compound B, ent-kaurenoic acid.

Ent-kaurenoic acid further undergoes modifications and functional group manipulations to ultimately yield gibberellic acid. Gibberellic acid is a potent plant growth regulator that stimulates cell elongation and division, resulting in increased plant height, elongated stems, and larger leaves. It plays a significant role in promoting plant growth, development, and responses to environmental cues.

The synthesis of gibberellic acid by Corey and Smith in 1979 contributed to a better understanding of the chemical structure and synthesis of this important plant hormone. Their work paved the way for further research and applications in the field of plant biology and agriculture.

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The product of each stage of photosynthesis are ATP and NADPH; the light reaction to produce glucose in the Calvin Style through 3 main steps that are carbon fixation, reduction, and regeneration.

INTERPRETATION

In the Calvin cycle, carbon atoms of CO2 are fixed (assembled into organic molecules) and used to make three-carbon sugars. This process is fueled by, and depends on, the ATP and NADPH from the light reactions. In contrast to the light reactions that occur in the thylakoid membranes, the reactions of the Calvin cycle occur in the stroma (the space within the chloroplast).

Three turns of the Calvin cycle are required to make one G3P molecule that can leave the cycle and go on to make glucose. Let's summarize the number of key molecules that enter and exit the Calvin cycle as the G3P network is created. In three cycles of the Calvin cycle:

The G3P molecule contains three fixed carbon atoms, so two G3P are required to build a six-carbon glucose molecule. It takes six turns of the cycle, or 6 CO2, 18 ATP, and 12 NADPH, to make one glucose molecule.

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Answer:

an instance of reflecting especially : the return of light or sound waves from a surface. 2 : the production of an image by or as if by a mirror. Here is an example , A reflection is defined as a thought or writing about something that happened in the past, or what one sees when looking into a mirror or a body of water. What a girl sees in the mirror when she puts on makeup is an example of reflection.

Explanation: hope that helps

The probability that their first 2 offspring will have the disorder is (c) 1/16.

In this scenario, both the man and woman are heterozygous for the recessive allele causing cystic fibrosis. The probability that their first two offspring will have the disorder can be calculated using a Punnett square. The Punnett square is a diagram used to predict the result of a breeding experiment through analyzing predictable traits which will be passed on genetically by each organism.

For each child, the probability of inheriting the recessive allele from both parents and having cystic fibrosis is 1/4. To calculate the probability for two offspring, you need to multiply the individual probabilities: 1/4 * 1/4 = 1/16. Therefore, the correct answer is c. 1/16.

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Answer:

He is right i took the test

Explanation:

The enzyme that adds nucleotides during DNA replication may skip or add a nucleotide because of d) Intercalating agents

The enzyme that adds nucleotides during DNA replication may skip or add a nucleotide because of thymine dimers, nucleoside analogs, and intercalating agents. Thymine dimers can cause distortion in the DNA structure, making it difficult for the enzyme to correctly add nucleotides. Nucleoside analogs can mimic nucleotides and be incorporated into the growing DNA chain, causing errors in replication. Intercalating agents can insert themselves between the DNA strands, causing the strands to separate and potentially leading to errors in nucleotide addition. Ionizing radiation and nonionizing radiation can both cause damage to DNA, but do not specifically affect the enzyme responsible for adding . These agents can insert themselves between DNA base pairs, causing the DNA replication machinery to skip or add nucleotides, leading to errors in the replicated DNA sequence.

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Answer:

My answer is D.

Energy sources that can be used i. place of hydroelectric energy.

The best definition of alternative energy is energy that can be used in place of fossil fuels. The correct option is A.

Alternative energy is that energies are used in the place of the conventional form of energy. These energies are renewable and eco-friendly.

The burning of coal and fossil fuel produces lots of greenhouse gases, so the best alternative energy is the one that replaces it.

Thus, the correct option is A. Energy sources can be used in place of fossil fuels.

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Answer:

B  croe

Explanation:

Answer:b

Explanation:

b

Answer:

it’s b

Explanation:

it’s just b