Please help me answer the question in the picture

Paired homologous chromosomes consist of two chromatids, each of which has a single DNA strand. Paired homologous chromosomes have 4 chromatids and 2 DNA strands. Here option C is the correct answer.

However, since each chromatid contains a single DNA strand, the total number of DNA strands in paired homologous chromosomes is 4 as well.

Option A, which suggests that paired homologous chromosomes contain 8 DNA strands, is incorrect. Similarly, option B, which suggests that paired homologous chromosomes contain 8 chromatids and 8 DNA strands, is also incorrect.

Option D, which suggests that paired homologous chromosomes contain 12 chromatids and 12 DNA strands, is incorrect as well. Option E, which suggests that paired homologous chromosomes contain 6 chromatids and 12 DNA strands, is also incorrect. Therefore, the total number of chromatids in paired homologous chromosomes is 4.

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Explanation:

Terms in this set (5)

carbon is abundant, common.

forms strong covalent bonds.

has four valence electrons.

variety of shapes.

bonds with multiple elements

Answer:

- Covalent bonding

- Generally in non-electrolytes

- Low melting point

- Forms a variety of compounds

Explanation:

Edge 2021

Answer:

Have both clockwise and anticlockwise directions and warmer temperature.

Explanation:

Atlantic oceans have a circular pattern of surface currents that moves in the clockwise direction in the Northern Hemisphere and counterclockwise direction in the Southern Hemisphere while on the other hand, the temperature of the Atlantic basin is warm and having high salinity in the water. The Atlantic Ocean has about 9 degrees Celsius more warmer than the water of Pacific Ocean that leads to the warmer climate of Atlantic basins.

Putting forward hypothesis in a form that can be tested, Carrying out experiment, Analyzing result and drawing conclusion.

Option d is correct.

a scientific approach. This is how making a claim, testing it, and then changing it works step-by-step. The general process includes the following steps: Question, Research, Hypothesis, Experiment, Analysis, and Conclusion.

The scientific method is a systematic way of conducting research. A hypothesis is tested through an experiment in the scientific process. The scientific method seeks to establish causal links between events.

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The study "Aquaporin-facilitated water uptake in barley (Hordeum vulgare L.) roots" by Knipfer, Besse, Verdeil, and Fricke (2011) investigates the function of aquaporins in water uptake in barley roots.

Membrane proteins called aquaporins are essential for controlling the movement of water across cell membranes. The role of aquaporins in the absorption of water by barley roots was examined by the researchers, along with their expression and function. They discovered that particular aquaporin isoforms were expressed in various root tissues, indicating that these isoforms have specialised functions in water absorption. They also discovered that environmental elements like soil salinity and water availability affected aquaporin activity. This research advances our knowledge of the processes involved in water absorption in plants and the function of aquaporins in the facilitation of this process in barley roots.

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Answer: Biomagnification refers to the process by which the concentration of a contaminant increases as you move to higher trophic levels in a food chain or food web. In other words, as organisms consume other organisms, the contaminants present in the prey accumulate and become more concentrated in the bodies of the predators.

To understand this process, let's consider an example involving a water ecosystem. Suppose a pollutant is released into the water, such as a pesticide or heavy metal. The primary producers, such as algae or aquatic plants, absorb small amounts of the contaminant from the water. As herbivorous organisms consume these primary producers, they ingest the contaminants along with their food.

Since the contaminant is not easily broken down or eliminated from the organisms' bodies, it accumulates over time. As a result, the concentration of the contaminant becomes higher in the herbivores than in the primary producers. Now, when carnivorous organisms consume the herbivores, they not only accumulate the contaminant from their own food but also from all the prey they have consumed. This leads to an even higher concentration of the contaminant in the carnivores.

Therefore, biomagnification describes the phenomenon where the concentration of a contaminant increases significantly as you move up the food chain or trophic levels. The highest concentration of contaminants is often found in top predators, such as large fish, birds of prey, or mammals, which can have adverse effects on their health and reproductive capabilities.

It's important to note that biomagnification primarily occurs for persistent and non-biodegradable contaminants that cannot be easily metabolized or excreted by organisms. These contaminants are often lipophilic (fat-soluble), which allows them to accumulate in fatty tissues and remain in the organism's body for long periods, leading to biomagnification.

Explanation:

Answer:

A) Red Light

B) Green Light

A) Blue Light

B) Cyan Light

Explanation:

I believe that you are overthinking this. White light is a combination of all the colors on the visible spectrum. This means that if you shine a white light through a red filter, it will only show the red light that is in the white light. There will be only red because the other colors of the spectrum are not visible due to the filter.

This rule applies to all of the filters.

Answer:

gravity?

Explanation:

Answer:

Chloroplasts are organelles that conduct photosynthesis, where the photosynthetic pigment chlorophyll captures the energy from sunlight, converts it, and stores it in the energy-storage molecules ATP and NADPH while freeing oxygen from water in plant and algal cells.

Explanation:

yea thats what it is

Match the biomolecules to their monomers Proteins: Amino acids, Lipids: They are not made up of monomers, Carbohydrates: Monosaccharides, Nucleic acids: Nucleotides.

Proteins are made up of monomers known as amino acids, while carbohydrates are made up of monomers known as monosaccharides. Lipids, on the other hand, are not made up of monomers since they are not polymers. Nucleic acids are made up of monomers known as nucleotides.

Proteins: Proteins are macromolecules composed of amino acids linked together by peptide bonds. Amino acids are the building blocks of proteins, and there are twenty different amino acids commonly found in proteins. Lipids: Lipids are made up of fatty acids and glycerol but are not made up of monomers since they are not polymers. There are different types of lipids such as phospholipids, triglycerides, and steroids.

Carbohydrates: Carbohydrates are the most abundant biomolecules in the world, and they serve many essential functions in the body. They are composed of monomers known as monosaccharides. Examples of monosaccharides include glucose, fructose, and galactose. Nucleic acids: Nucleic acids are biomolecules composed of monomers known as nucleotides. Nucleotides have three main components: a sugar, a phosphate group, and a nitrogenous base. There are two types of nucleic acids: DNA and RNA.

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Answer: true

Explanation:Houseflies only appear to have one set of wings, but they also have a tiny second set, called halters. These do not help generate lift, but provide stability during flight.

The largest number of small vesicles would be expected to be located within the axon terminals of a neuron.

The axon terminals, also known as terminal boutons or synaptic boutons, are specialized structures located at the ends of axons in neurons. These structures are responsible for transmitting signals to other neurons or target cells through synapses. Within the axon terminals, there are numerous small vesicles called synaptic vesicles. These vesicles contain neurotransmitters, which are chemical messengers that are released into the synaptic cleft during neuronal communication.

The high concentration of synaptic vesicles in the axon terminals is essential for efficient neurotransmission. When an action potential reaches the axon terminal, it triggers the release of neurotransmitters from the synaptic vesicles into the synaptic cleft. The neurotransmitters then bind to receptors on the postsynaptic cell, initiating a response. The presence of a large number of small vesicles allows for the rapid release of neurotransmitters, facilitating efficient communication between neurons. Therefore, the axon terminals contain the largest number of small vesicles within a neuron.

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The phenomena that can result from nondisjunction in humans include failed development due to missing genetic material and an extra copy of a chromosome trisomy.

Chromosome nondisjunction refers to the faulty separation of homologous chromosomes during meiosis which may lead to a series of genetic problems due to the presence of extra genetic material or the absence of chromosomes conveying essential information.

Therefore, with this data, we can see that chromosome nondisjunction may generate different types of genetic defects associated with the presence of an extra chromosome, which is called trisomy.

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Answer:

42

Explanation:

Atoms have a neutral charge overall, which means they have an equal numbers of positively-charged protons and negatively-charged electrons. Here, an atom of arsenic with 33 electrons must also have 33 protons.

The mass of any atom is contained in its nucleus, a part made up of protons and neutrons - particles with no charge. Both protons and neutrons are exactly 1 atomic mass unit each, so to find the atomic mass of an atom, we can use the formula

(# of protons) + (# of neutrons) = atomic mass

or equivalently:

atomic mass - (# of protons) = (# of neutrons).

For arsenic, we have an atomic mass of 75 amu and 33 protons, so using our formula:

# of neutron = 75 - 33 = 42 neutrons

Answer:

#1

It recieves direct rays so warmest

False

#2

Warm air goes up always

True

#3

True

Monsoon is biggest example

#4

Monsoon never brings consistent thunderstorms

False

#5

True

It is present at equitorial line

Answer:

b, j, e, d, I, f, a, c, g, h

Explanation:

took a look a the picture️

The factors that influence the development of an infectious disease are diverse and complex.

Some of the key factors that play a significant role include the immune status of an individual, the incidence of an organism in the population, and the pathogenicity of the agent. These factors interact in complex ways to create the conditions that promote the spread and development of infectious diseases. However, the sole presence of the agent or microorganism is not enough to cause an infectious disease. Other factors such as the environmental conditions and the host’s susceptibility must also be present. It is essential to understand these factors to develop effective strategies for the prevention and control of infectious diseases. Overall, the interplay between different factors determines the severity and spread of infectious diseases.

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Answer:

False

Explanation:

Most viruses cannot be seen with a light microscope. Although, some viruses known as a 'giant viruses' can be as large as some small bacteria so they can be seen with a light microscope.

Answer:

Physical change

Explanation:

Physical changes only occur when food is broken into smaller pieces, mixed with other substances, or when water is removed from wastes in the your large intestine

Answer: chemical change

Explanation:

Less terrorist attacks will happen....?

(I think, I have no clue) :))))))

Answer: A genetic disorder in which an individual lacks an enzyme responsible for converting the amino acid phenylalanine into the amino acid tyrosine is called phenylketonuria (PKU) A trait that is determined by a gene that is found only on the X chromosome is said to be

Explanation:

Answer:

A pet exposed to a high level of toxin within a short time may be affected by acute toxicity

Answer:

not enough skin exposure to the sun to make Vitamin D.

Explanation:

The correct answer would be not enough skin exposure to the sun to make Vitamin D.

The body makes vitamin D by being exposed to the sun and this vitamin and its metabolite are quite important in the homeostasis of calcium. Calcium on its own is very essential to the formation of bones in the body.

Hence, when the skin is not adequately exposed to the sun, the body becomes short of vitamin D and this disrupts the homeostasis of calcium and the formation of bones in the body. Thus, osteoporosis, also known as weak bones, may result.

Answer:

(A) not enough skin exposure to the sun to make Vitamin D.

Explanation:

♥☺

O2 oxygen debt time may vary from individual to individual, but the average is 2 minutes for normal individuals.

Oxygen debt is a physiological phenomenon that occurs when someone consumes oxygen at a faster rate than it can be replaced, leading to an oxygen deficit that causes increased respiration as the body tries to replace used oxygen.

With this information, we can conclude that the time of o2 oxygen debt can vary from individual to individual, but the average is 2 minutes for normal individuals.

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The ethical dilemma in this scenario involves whether to accept a personal gift from a patient as a medical office assistant. The assistant must consider the potential implications on their professional relationship, the perceptions of others, and the impact on their ethical obligations.

Ethical Problem: The ethical problem in this scenario is whether to accept a personal gift from the patient or refuse it due to potential ethical implications.

Facts: The patient, Lin, has offered a personal gift to the medical office assistant.

Lin has been a long-term patient who was diagnosed with cancer, and the assistant has played a significant role in helping her understand her diagnosis and treatment.

Previous gifts received by the assistant were shared with the entire staff, but this particular gift is different as it is meant solely for the assistant.

Affected Parties: The affected parties include the medical office assistant, Lin (the patient), and potentially other patients who may observe or hear about the gift.

Options and Consequences:

1. Accept the gift: This may be seen as a genuine act of gratitude from the patient, strengthening the bond between them.

However, accepting the gift could raise concerns about favoritism or bias, potentially compromising the assistant's professional judgment and integrity.

2. Refuse the gift: By declining the gift, the assistant ensures impartiality and avoids the perception of being influenced by gifts.

This may preserve the professional relationship with the patient and maintain trust from other patients and colleagues.

However, it may unintentionally hurt Lin's feelings or be seen as rejecting her gratitude.

Decision: In this case, considering the long-term relationship and the patient's circumstances, the assistant could politely and gratefully decline the personal gift, emphasizing that it is their professional duty to provide care and support.

By doing so, they uphold professional ethics, maintain impartiality, and avoid potential conflicts of interest, while still acknowledging Lin's appreciation.

It is essential to communicate the decision with sensitivity and compassion, ensuring that Lin understands it is not a reflection of their relationship but rather a commitment to professional ethics.

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