Which of the following distinguishes this bacterial cell from eukaryotes?

DNA in the bacterial cell is always in contact with the cytoplasm, and all eukaryotes have DNA located inside a nucleus.

The bacterial cell is a unicellular organism, and all eukaryotes are multicellular.

Ribosomes are found in the cytoplasm of the bacterial cell, and eukaryotes do not have ribosomes.

The bacterial cell has both a cell membrane and a cell wall, and eukaryotes have only cell membranes.

Answer:

False, they take a long time

Explanation:

Adding a delay between atrial and ventricular excitement during AV node conduction is crucial in order to provide the atrium enough time to finish filling the ventricles when it contracts.

This AV delay makes sure that blood has enough time to leave the atrium and finish filling the ventricles. Blood is ejected from the ventricles through an open bulbo-ventricular (BV) valve and into the outflow tract. When the ventricle relaxes, the cardiac cycle is over (ventricular diastole).

In order to provide electrical impedance from the atria and a pacemaker in its absence, this structure connects the electrical systems of the ventricles and the atria.

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The Golgi apparatus and Rough ER are present in plant cells but not in bacteria cells. Procaryotic cells are less complex than eukaryotic cells.

Plant cells are eukaryotic cells, thereby they contain membrane-bound organelles such as the Golgi apparatus and Rough endoplasmic reticulum (RER).

Procaryotic microorganisms such as bacteria don't have membrane-bound organelles and their genetic material (DNA) is not compartmentalized within a cell nucleus.

In conclusion, Golgi and Rough ER are present in plant cells but not in bacteria cells. Procaryotic cells are less complex than eukaryotic cells.

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Enzymes are one type of protein, a polymer of amino acids expressing primary, secondary, and tertiary structures necessary to accomplish their catalytic functions.  Option A) a type of protein made from amino acids

Enzymes are catalytic intracellular molecules or polypeptides that accelerate different natural chemical reactions. They have specific binding sites to substrate molecules and turn them into product molecules.

Enzymes are proteins, and like all proteins, are polypeptidic molecules. They need to get an accurate tridimensional structure to accomplish their function. There is a limited temperature and pH level at which they lose that structure and denaturalize.

Enzymes are amino acid polymers linearly arranged and connected by peptidic bonds. These molecules characterize by their different structures.

The amount of amino acids that compose the polypeptide and their order in the chain determines the primary structure of the protein. The primary structure of the proteins determines the tertiary one.

According to this framework, the correct option is A) a type of protein made from amino acids.

Notice that all enzymes are proteins, but not all proteins are enzymes.

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Answer: The first two are wrong. The unique chain/sequence of amino acid monomers that form a polypeptide monomer are what fold the protein into its UNIQUE shape. Proteins can be modified in the golgi apparatus to best suit their function.

(a level answer)

Answer:

in the blue bubbles bby..

Explanation:

An ichnofossil is any part of the hard skeleton left behind by a vertebrate in the fossil record. This statement is false. An ichnofossil is a trace fossil, which is any indirect evidence of past life, such as tracks, burrows, and feces. It is not part of the hard skeleton left behind by a vertebrate.

Cladograms are scientific hypotheses that can be overturned by new data. This statement is true. Cladograms are diagrams that show the evolutionary relationship between organisms based on various traits. New data can cause changes to be made to cladograms which can result in a change to the interpretation of the evolutionary history of organisms.

Angiosperm plants did not appear until after the extinction of the dinosaurs. This statement is false. Angiosperms, also known as flowering plants, appeared in the fossil record at least 140 million years ago. Although the dinosaurs went extinct around 66 million years ago, angiosperms were already widespread and diversifying by that time.

The definition of an analogous character is "a character that has a similar function to a character in a different organism, but these similarities are due to different evolutionary origins". This statement is true. Analogous characters are traits that have evolved independently in different groups of organisms due to similar environmental pressures and not due to a shared ancestor.

In evolution, non-genetic changes that occur during an organism's life span, such as increases in muscle mass due to exercise and diet, cannot be passed on to the next generation. This statement is true. Non-genetic changes that occur during an organism's life span are not heritable and cannot be passed on to the next generation. Only genetic changes that occur in the germ cells, such as mutations, can be passed on to the offspring.

The definition of a monophyletic group is "a group of organisms that has a single ancestor and contains only some of the descendants of this unique ancestor". This statement is false. A monophyletic group is a group of organisms that has a single ancestor and contains all of the descendants of this unique ancestor. This group is also called a clade.

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Answer:

i, as a singer and a noob, would say true

Explanation:

because it's true mah dude :<

Bridges concluded that the gene responsible for eye color in drosophila is located on the X chromosome, and that the rare white-eyed daughters resulted from a non-disjunction event during meiosis in which the X chromosomes failed to separate properly.

This resulted in the daughters inheriting two X chromosomes and no Y chromosome, leading to an XXY genotype. The red-eyed sons resulted from a normal separation of the X and Y chromosomes during meiosis, leading to an XO genotype. These findings helped to establish the chromosomal theory of inheritance and the importance of sex chromosomes in determining genetic traits.
Bridges' experiments on Drosophila led him to important conclusions about sex determination and chromosomal inheritance. By observing the unusual white-eyed daughters (XXY) and red-eyed sons (XO) among the progeny of white-eyed females and red-eyed males, Bridges concluded that:
1. The eye color gene is located on the X chromosome. This explains why the white-eyed females (XXY) and red-eyed males (XO) exhibited different eye colors, as they inherited different X chromosomes with the respective eye color gene.
2. Sex determination in Drosophila is based on the presence of specific sex chromosomes (X and Y). In this case, the XXY genotype produced females, while the XO genotype produced males. This observation suggests that the number of X chromosomes is critical in determining an individual's sex.
These conclusions provided strong evidence for the chromosomal theory of inheritance and helped establish the role of sex chromosomes in determining an organism's traits and sex.

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Sequencing DNA from different organisms has been a breakthrough for phylogenetics because it provides a way to compare the genetic information of different species and determine their evolutionary relationships.

By analyzing the similarities and differences in DNA sequences between organisms, scientists can construct phylogenetic trees that show the evolutionary history of different groups of organisms. This has allowed for a more accurate understanding of the evolutionary relationships between different species, including the origin of new species, and the evolution of different characteristics such as morphological features, physiological processes, and behavior. Additionally, DNA sequencing has allowed researchers to identify genetic mutations that are responsible for genetic diseases and to develop new treatments based on a better understanding of the underlying genetic mechanisms.

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Environmental Protection Agency- found itself under investigation after it was discovered that it was making mutually beneficial agreements with environmental polluters.

What is Environmental Protection Agency?

President Richard Nixon issued an executive order in December 1970 creating the Environmental Protection Agency (EPA). The goal of this federal government organisation is to safeguard both human and environmental health. The EPA, which has its main office in Washington, D.C., is in charge of developing laws and standards that advance both public and environmental health.

Cosian bargaining theorem applies to EPA. The theorem states that polluter and victim can reach a mutually beneficial bargain if the damage from pollution is higher than the polluter’s net return from the sale of the good generating the pollutants.

Hence the correct option is A; Environmental Protection Agency

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The purpose of these short ran molecules was to take the place of part of an mRNA within the ribosome.These short-lived molecules served the function of substituting for a section of an mRNA inside the ribosome.

In the Nirenberg and Leder experiment, these artificial triplets of RNA were meant to represent the codons that would naturally be present in a strand of mRNA. It was discovered that these artificial "codons" have the ability to specifically bind amino acid-charged tRNA to ribosomes.

What is an RNA?

Ibonucleic acid is a component of all living cells. Although RNA sometimes transports genetic material in place of DNA in some viruses, RNA's primary role is to act as a messenger for DNA's instructions on how to control protein synthesis.

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Answer and Explanation:

There are a few different types of biotechnology.

One is medical biotech. Essentially, this branch is used to help improve the wellbeings and helaths of people. It involves a lot of DNA in helping to find cures for various diseases. Some examples of advancements in this field are vaccines and antibiotics.

Another is agricultural biotech. In the agriculture industry, farmers are continuously searching for ways to increase crop yield and quality, which delves into the topic of genetic modification and engineering. For example, scientists are breeding certain plants or adding certain genes to make offspring that is hardier and more pest-resistant.

Those are two main types of biotechnology.

Answer:

the produces all genes and is passed down from parent to child and provides the "instructions" on the growth of the body, if the DNA is altered it can lead to things such as cancer, genetic mutations, etc.

Explanation:

Answer:

The answer is

That make up a living thing

Reproductive isolation is a process in which individuals in a population are prevented from reproducing. This isolation can occur in several ways, such as a physical barrier that separated these species into two groups that will reproduce with each other and generate a new species.

Speciation is an essential evolutionary process for the creation of new species. It is worth remembering that from reproductive isolation, the individuals of a population have been differentiating and evolving and in the end, there will be a different species from the initial one. Therefore, speciation is necessary for the emergence of new species.

Reproductive isolation may occur due to a geographic barrier. In this case, a population is separated by a geographic barrier such as a river, a canyon, or a mountain, thus generating subpopulations that will begin to evolve and adapt in different ways. In the end, we will have different subpopulations, but in the beginning, they were part of the same population.

Answer:

divergent,mid ocean ridges

Explanation:

the seafloor diverge from each other causing the land to go thinner and thinner and thinner and make an opening between the floors and continue to move away from each other until they touch a more firm land to be able to stop, then the mid ocean ridges come between the floors where inside there is water and on the side there are the ridges

The statement that Fish farms are man-made, so they are not considered fisheries, is false.

Fish farms are the places to the artificial culture of fishes for commercial purposes.

The purposes of fish farms are to consume fish, fish tanks, etc.

Crustaceans, fishes, and mollusks are culture under fish farms.

Fish farms are considered under fisheries.

Thus, the given statement is false.

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Answer:

f

Explanation:

i took the test on edge

A particular plant has two alleles that control the length of its stem. T represents the dominant allele that codes for a tall stem, and t represents the recessive allele that codes for a short stem. Based on the Punnett squares, which two statements are true about the genotype of the plant’s stem length?

First Generation

__t_ t

T Tt Tt

T Tt Tt

Second Generation

__T_ t

T TT Tt

t Tt tt

Select all the correct answers.

A) Plants with short stems are homozygous for that trait.

B) Plants with tall stems are always homozygous for that trait.

C) Both parent plants in the second generation are heterozygous.

D) Both parent plants in the second generation are homozygous.

The correct answers are options A and C.

The Statement A says that the plants, which have a short stem is homozygous for the trait. According to the question, the allele for the short height is recessive. A recessive trait can only be observed, when the dominant allele is not at all present. Hence, the plant must have tt allele, so, the plant having short stem would be homozygous recessive.

The statement C says that the both parents in second generation are heterozygotes. It is given that the parents in the second generation have aa genotype Tt. In this case, both the alleles are different, hence, the parent plants are heterozygotes.

Thus, this could be the answer.

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The dorsal root ganglion is located in under the vertebral pedicle at the thoracic and lumbar levels.

What Is dorsal root ganglion?

The dorsal root ganglion, also known as the spinal ganglion more recently, is made up of sensory neurons' neuronal cell bodies. This is the most prevalent kind of sensory ganglion in the human body.

The dorsal root ganglion, as its name suggests, is connected to the spinal nerve's posterior or dorsal root. It is situated near to where the spinal cord is. The ganglion is formed as the dorsal root of the spinal nerve enlarges as it exits the intervertebral neural foramen. Before the dorsal and ventral roots combine to produce a single spinal nerve, it is present.

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An organism causes gastroenteritis and is possibly transmitted through the respiratory route in addition to the fecal-oral route Noroviruses.

The term "gastroenteritis" refers to irritation and inflammation of the digestive tract, including the stomach and intestines.

The most common causes are viral agents, bacteria, parasites and food poisoning, and the most common complaints are diarrhoea, abdominal pain, cramps, nausea and vomiting.

Noroviruses are the leading cause of adult gastroenteritis in North America and are responsible for projectile vomiting in infected individuals.

Thus,  Noroviruses is the answer.

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Glycolysis, the initial step in cellular respiration, begins with glucose as the reactant and produces two molecules of pyruvate as the end product. This process occurs in the cytoplasm of the cell and is anaerobic, meaning it can occur in the absence of oxygen.

Alcoholic fermentation begins with pyruvate, which is converted into ethanol and carbon dioxide. This process takes place in the cytoplasm of yeast cells and some bacteria, operating under anaerobic conditions. Alcoholic fermentation is utilized in processes such as brewing and baking.

The citric acid cycle, also known as the Krebs cycle or the tricarboxylic acid cycle, starts with acetyl-CoA as the reactant. Acetyl-CoA is derived from pyruvate through a series of enzymatic reactions. The cycle takes place in the mitochondria of eukaryotic cells. During the citric acid cycle, carbon dioxide, ATP, NADH, and FADH2 are produced as end products. This cycle operates under aerobic conditions, meaning it requires the presence of oxygen.

The electron transport chain is the final stage of cellular respiration. It takes place in the inner mitochondrial membrane of eukaryotic cells. The reactants for this process are the electron carriers NADH and FADH2, which were generated during glycolysis and the citric acid cycle. The electron transport chain uses these carriers to generate ATP through oxidative phosphorylation. Oxygen acts as the final electron acceptor in this process, combining with protons to form water. The electron transport chain operates under aerobic conditions, as it requires the presence of oxygen to function properly.

Overall, glycolysis and alcoholic fermentation are anaerobic processes occurring in the cytoplasm, while the citric acid cycle and the electron transport chain are aerobic processes taking place in the mitochondria

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Answer:

Replication or DNA Copying is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell.

Answer:

replication

Explanation:

copying a molecule dna

Answer:

respiration is process.....

of chemical formation by body

Answer:

id say c and d but idk

Explanation:

The statements that are considered the characteristics of science are as follows:

Thus, the correct options are A, C, D, and E.

The characteristics of science include objectivity, reliability, accuracy, validity, ethical neutrality, systematic exploration, abstractness, defined precision, objective approach, replicable experiments, etc.

Accuracy and validity are the foremost important characteristics of science. Such scientific experiments are concluded on the basis of real and valid evidence.

Scientific phenomena are clearly and transparently observable in a more detailed sense. Scientific hypotheses are significantly made in order to test them and predict the most accurate outcome or conclusion based on such hypotheses indiscriminately.

Therefore, the correct options for this question are A, C, D, and E.

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Answer:

Offspring therefore inherit one genetic allele from each parent when sex cells unite in fertilization. 2) The Law of Independent Assortment: Genes for different traits are sorted separately from one another so that the inheritance of one trait is not dependent on the inheritance of another.

Explanation:

you know ;)

Answer: The Law of Segregation: Each inherited trait is defined by a gene pair.  

The Law of Independent Assortment: Genes for different traits are sorted

Explanation:

Bacteria divide by a type of asexual reproduction called binary fission.

In the field of science, asexual reproduction can be described as a reproduction process that involves a single parent. The offspring produced are identical to the parent cell in asexual reproduction because this type of reproduction occurs through the process of mitotic division.

A bacterial cell divides into two by the process of binary fission. Before division, the bacterial cell makes a copy of its genetic material. After a copy of the genetic material is made, the bacteria divide into two equal halves hence resulting in the formation of two daughter cells. As the genetic material is the same, the two daughter cells are identical copies.

Hence, bacteria divide by the asexual process called binary fission.

Although a part of your question is missing, you might be referring to this question:

Bacteria divide by a type of ______________________ called ____________________.

a. sexual reproduction; binary fission

b. asexual reproduction; binary fission

c. asexual reproduction; elongation

d. sexual reproduction; replication

e. asexual reproduction; replication

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Answer:

The photosynthesis process produces carbon dioxides and water and breaks into carbon dioxide and water by forming ATP molecules, in addition to this cellular respiration. They are therefore both considered to be mutually complementary.

Explanation:

Photosynthesis and cellular respiration are additional processes, as photosynthesis products are used as cell respiration reactants.

Photosynthesis is a carbohydrate-generating process, whereas cellular respiration is a catabolism process that divides the carbohydrates into ATP.

Photosynthesis is the process of transforming light energy into chemical energy by green plants. During the process, the plants make use of solar energy in order to convert carbon dioxide and water into carbohydrates. And also releases oxygen into the atmosphere. Photosynthesis is called primary production because the food produced by the process makes the base of most ecosystem food chains. It stores energy at the bottom level of the food chain.

All animals are photosynthesized because their source of energy is glucose, but they are unable to produce glucose themselves, so they must rely on plants to obtain glucose.

And also during photosynthesis, oxygen that animals respire is released.

Breathing of the cell:

The process of breaking up the glucose molecules released by the living cells and stored as ATP molecules. In total, glucose and oxygen is a three-stage process that reacts to carbon dioxide and water.

In the following phases cellular respiration

• Glycolysis

• Oxidation of the pyruvate

• Citric acid / Cycle of cancer

• Oxidative phosphatide