Explanation:
A; Structure and Function. All cells contain genetic information in the form of DNA molecules. Genes are regeions in the DNA that contain the instructions that code for the formation of proteins, which carry out most of the work of cells.
The linear order of nucleotides in a gene sequence is used to encode a specific protein by the sequential processes of transcription and translation.
Deoxyribonucleic acid (DNA) is a double helix molecule that contains the information required to synthesize all proteins present in an organism.
During the mechanism of gene transcription, a specific fragment of DNA referred to as a 'gene' is used as template to encode a complementary messenger RNA (mRNA) sequence.
Subsequently, this mRNA travels to the ribosome where it is used as a template to encode a specific protein.
The linear order of triplets of nucleotides or 'codons' in the mRNA sequence specifies the linear order of amino acids in the nascent polypeptide chain (i.e., the protein).
In conclusion, the linear order of nucleotides in a gene sequence is used to encode a specific protein by the sequential processes of transcription and translation.
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Which type of symbiotic interaction is described below? is a symbiotic interaction in which one species benefits from the relationship, while the other is not affected by it.
Answer:
Commensalism
Explanation:
It is a symbiotic interaction in which one is benefited while the other is neither harmed nor benefited.
What are some advantages of asexual reproduction when compared to sexual reproduction? (In your own words please for brainliest!!)
Answer And Explanation:
The advantages of asexual reproduction compared to sexual reproduction include the population being able to increase rapidly when the conditions are in their favour, only one parent is needed, it is more time and energy-efficient due to not needing a mate and it is faster than sexual reproduction.
It is common for scientists and amateur astronomers alike to use the constellations to locate objects in the sky. However, had scientists observed the sky during the time of the dinosaurs, they would not have had the same constellations to follow. Why is that?
Answer:
Over millions of year some stars blow up. Then the star dust from those gather and create new stars.
Explanation:
During the time of the dinosaurs, the constellations are not as clear as compared to the present time. This is also because stardust was assembled together to create new stars.
What do you mean by Astronomers?An Astronomer may be defined as a scientist in the field of astronomy who concentrates their investigations on a distinctive question or field outside the scope of Earth.
Constellations are referred to a group of stars that construct a recognizable imprint in the sky. This process helps scientists to locate objects in the sky.
Therefore, during the time of the dinosaurs, the constellations are not as clear as compared to the present time. This is also because stardust was assembled together to create new stars.
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A person's genese are used for dna fingerprinting. true or false?
It is TRUE that a person's genese are used for DNA fingerprinting.
A person's genes are used for DNA fingerprinting. DNA fingerprinting, also known as DNA profiling or genetic fingerprinting, is a technique that analyzes specific regions of an individual's DNA to create a unique genetic profile. These regions, known as genetic markers, contain variations in DNA sequences that are specific to each individual. By comparing these genetic markers between different individuals, DNA fingerprinting can be used to determine relationships, identify individuals, or establish biological evidence in forensic investigations.
In DNA fingerprinting, specific genes or non-coding regions of the DNA, such as microsatellites or short tandem repeats (STRs), are targeted and amplified using techniques like polymerase chain reaction (PCR). The resulting DNA fragments are then separated and analyzed to create a distinct pattern, or "fingerprint," that is unique to each individual.
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A straight chain of 12 carbon atoms is shown. The last atom is double-bonded to an oxygen atom and single-bonded to a hydroxyl group.
What type of lipid is shown?
saturated
unsaturated
phospholipid
triglyceride
Answer:
Saturated
Explanation:
which of the following statements regarding nerve plexuses are false? group of answer choices enlargements in the cervical and thoracic spinal cord allow these areas to participate in plexus formation. the sciatic nerve is the largest nerve in the body. damage to the brachial plexus causes respiratory arrest. paralysis of the adductor muscles and loss of sensation over the medial aspect of the thigh indicates injury to the obturator nerve. wrist drop and winged scapula are conditions that may result from injuries to nerves emerging from the brachial plexus.
The first statement from given statements in the question about nerve plexuses is False.
The peripheral nerves' proximal segments, known as nerve plexuses, emerge from the spine's foramina with the help of nerves from various levels of the spinal column that interact and entwine to generate individual nerves further away. The lumbosacral plexus and the brachial plexus are the two main nerve plexuses. A nerve plexus is an area where several nerves come together. The anterior rami of spinal nerves and blood arteries merge to form a nerve plexus, which is made up of afferent and efferent fibers. There are various types of autonomic plexuses, many of which are a part of the enteric nervous system, including five spinal nerve plexuses, with the exception of the thoracic area. Both sensory and motor activities are carried out by the nerves that emerge from the plexuses.
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(Brainlest) What might occur if a cell entered mitosis without completing the s stage of interphase?
Answer:
i think it is B .
Answer:The answer is D, because there would not be enough DNA, and that could lead to self-destruction, B is wrong
Two species that occasionally mate and produce zygotes, but that have incompatible genes that prevent the resulting embryo from developing, are affected by:________
Two species that mate and produce zygotes, but that have incompatible genes that prevent the resulting embryo are affected by Reduced Hybrid Viability.
What is Reduced Hybrid Viability?Reduced Hybrid Viability is a biological phenomenon that occurs when two different species are able to mate and produce descendence but offspring have fertility problems.
In conclusion, two species that occasionally mate and produce zygotes, but that have incompatible genes that prevent the resulting embryo from developing, are affected by Reduced Hybrid Viability.
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Acid-Base Balance Cases pH = 7.50 CO2 = 47 HCO3- = 32 Is it acidosis, alkalosis or neither? Is the problem respiratory or metabolic in nature? Metabolic in nature. Is there any compensation occurring? Has the body tried to fix the problem?
answer and explanation
this question required us to interpret the atrial blood gas data provided.
from the information provided, this case is a case of alkalosis because the pH reading is 7.50. pH values less that 7.35 indicate acidosis and pH levels greater that 7.45 indicate a case of alkalosis.
this is a metabolic alkalosis because the HCO3 value is greater than 22 and it is fully compensated because of the high CO2
DNA technology is used to find cures for genetic diseases such as Huntington's disease. Which of
these best explains the use of DNA technology in curing genetic diseases with gene therapy?
a. uses medicines to alter the genetic makeup of faulty genes
b. removes the faulty gene and replaces it with a working gene
C. causes mutation in faulty genes by exposing them to high-cnergy radiation
d. removes the faulty gene from the body without replacing it with another gene
Option B: removes the faulty gene and replaces it with a working gene, best explains the use of DNA technology in curing genetic diseases with gene therapy
Gene therapy is a medical strategy that addresses the underlying genetic issue in order to treat or prevent disease. Instead of utilizing drugs or surgery, gene therapy procedures allow doctors to treat a problem by changing a person's genetic composition.
The first gene therapy technique, also known as gene transfer or gene addition, was created to:
Add a new gene to cells to aid in the treatment of a disease.Introduce a healthy copy of the gene to replace the disease-causing altered copy.To know more about gene therapy:
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Clarify the concept of development.
Answer:
There is nothing to look at or answer.
Which of the following is NOT a defining characteristic of water?
Choose 1 answer:
Polarity
Cohesion
Low specific heat capacity
Surface Tension
Water is unique in its own way. In these characteristics, low specific heat capacity is not a defining characteristic of water.
The quantity of heat energy necessary to raise the temperature of a substance is referred to as specific heat capacity. Water can absorb or release a lot of heat with little change in temperature because it has a relatively high specific heat capacity. This characteristic enables water to regulate heat effectively and maintain a consistent temperature in a variety of environments, including bodies of water.
Thus, water does not possess low specific heat capacity as a defining property.
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lobsters live on the bottom of the ocean, which means their density is
Lower than ocean water. Things that are denser will sink if submerged in a substance that is less dense. For example, ice is less dense than water so it floats when places in water.
use the concept of natural selection to explain why organisms typically adapt over time
Answer:
natural selection is the process by which organisms which are not as well adapted to their environment do not survive long enough to pass their less favorable traits on to the next generation of their species
Explanation:
Answer:
Natural selection is the process by which organisms which are not as well adapted to their environment do not survive long enough to pass their less favorable traits on to the next generation of their species. Eventually, the more favorable traits are incorporated into a species as the organisms that had those traits survive while the ones who do not die. This process takes time because it occurs through individuals with the favorable traits passing those traits on to future generations. Typically, the less favorable traits will not be eradicated in one generation.
Explanation:
This is the "possible answer" they give on edge
Vocabulary Matching
Ecosystem, specialist species, niche, habitat, nonnative species, generalist species, extinction, Keystone species, indicator species, natural selection
An organism's home is known as its habitat, and its function in its environment is known as its niche. While niche focuses on how the creature effects the environment, habitat focuses on how the environment impacts the organism.
What about species?A group of things that share the same kind and name: kind. A group of related organisms with the capacity to bear viable offspring that falls below the genus level and is designated by a two-part scientific name. A group of plants or animals that may reproduce together and have similar characteristics is referred to as a species.A collection of people with similar traits who can interbreed to create fruitful offspring is how species are frequently defined. Alpaca - Vicugna pacos are two examples. A group of creatures that can naturally reproduce with one another and generate viable progeny is sometimes referred to as a species. However, classifying a species can be challenging and even contentious. The billions of people on the planet now are all members of the same species, Homo sapiens. Human beings differ among themselves, just like other species do, in terms of everything from size and shape to skin tone and eye color. The two-part name that Linnaeus invented is still used today and is currently presented in either Latin or Greek. It was originally used for plants and then later for animals. The first identifies the larger group, known as a genus, to which the plant belongs, while the second refers to the plant itself as a species.Learn more about species here:
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The diagram below shows part of protein synthesis in a cell.
If structure X did not function correctly, which of the following would occur first?
the mRNA would not leave the nucleus.
the amino acid chain would not be completed.
the cell would not be able to move proteins through the cell membrane.
the protein would be mutated, and the ribosome would stop functioning.
Answer: the amino acid chain would not be completed
Explanation:
A F1 plant that is homozygous for tallness is crossed with a heterozygous F1 plant. What ratio of tall to short plants (tall:short) represents the possible offspring?
A.
1:3
B.
4:0
C.
1:1
D.
3:1
Answer:it is c
Explanation:it just is
What adverse effects does covering the land with concrete and asphalt create?
1.Natural resources are depleted.
2.The flow of water in rivers is changed.
3.Vegetation and trees cannot grow.
4.Non-native species are introduced to a foreign environment.
Covering the land with concrete and asphalt creates natural resource depletion, alters water flow, impairs the growth of vegetation, and can cause the growth of invasive species.
Effects of covering lands with concrete and asphaltCovering land with concrete and asphalt has adverse effects on the environment. It depletes natural resources during construction and maintenance.
The impermeable surfaces disrupt the natural water flow, altering rivers and increasing runoff, leading to flooding and erosion. Vegetation and trees struggle to grow as concrete and asphalt prevent sunlight, water, and air from reaching the soil.
This impacts biodiversity, wildlife habitats, and the ability of plants to purify the air and sequester carbon. Additionally, the transportation of materials and equipment for construction can introduce non-native species, causing ecological imbalances. Mitigation efforts and alternative land management practices can help alleviate these effects.
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What did the National Consumers League do?
Answer:
I believe the answer is C
sorry if I am wrong, its been a while since I did something like this
In what form is the DNA found when a cell is beginning cell division or is involved in cell division?
A.) Centromere
B.) Chromosome
C.) Chromatin
Type the correct answer in the box. spell all words correctly. what establishes specific regulations and laws that businesses must adhere to in order to protect the environment? establish specific regulations and laws that businesses must adhere to in order to protect the environment.
The correct answer to the question is "Environmental regulations" or "Environmental legislation.
These regulations are typically developed and enforced by environmental agencies at the national, regional, or local levels, such as the Environmental Protection Agency (EPA) in the United States. They set standards and guidelines that businesses and industries must comply with to minimize their impact on the environment. Adhering to environmental regulations is essential for businesses to operate responsibly and sustainably. It helps prevent or minimize pollution, promotes the efficient use of resources, and ensures the long-term well-being of ecosystems and communities. Non-compliance with environmental regulations can result in penalties, fines, and legal consequences for businesses.
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Why are beneficial nematodes considered beneficial to humans?.
According to the diagram, what happens to the female population between
the ages of 9 and 19?
A. It triples in size, from 3 to 9 individuals.
B. It grows steadily.
C. It remains the same size.
D. It drops from 9 to 3 individuals
Answer:
D is the correct answer
Explanation:
It drops from 9 to 3 individuals to the female population between the ages of 9 and 19.
What is population?A population is made up of every organism of a specific species that resides in a specific location. Demography is the statistical study of populations and how they evolve through time.
Population size, or the total number of people, and population density, or the number of people per unit of space or volume, are two crucial indicators of a population. Ecologists use quadrats and the mark-recapture technique to evaluate the size and density of populations.
A population of organisms may be dispersed randomly, uniformly, or clumped. When a population is described as uniform, it is evenly spaced, random indicates uneven spacing, and clumped, it is dispersed in groups.
Therefore, It drops from 9 to 3 individuals to the female population between the ages of 9 and 19.
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Please answer the questions in the image.
Obligate anaerobes are organisms that lack the catalase E-Coli bacteria and superoxide dismutase (SOD) enzymes.
Microorganisms known as obligatory anaerobes are unable to tolerate or survive in the presence of oxygen. For their life, they are reliant on anaerobic (oxygen-free) settings. This is due to the environment that oxygen generates, which is poisonous to these species. Reactive oxygen species (ROS) such superoxide anions Mnin E- Coli, hydrogen peroxide, and hydroxyl radicals are more frequently produced in anaerobic environments. These ROS have the potential to harm cellular building blocks like proteins, lipids, and DNA, which could result in cell death.
In order to protect cells from the destructive effects of reactive oxygen species, the enzymes superoxide dismutase (SOD) and catalase transform ROS into less dangerous molecules. Superoxide anions are changed by SOD into hydrogen peroxide, which catalase then breaks down into water and oxygen. Obligate anaerobes are extremely vulnerable to ROS damage because they lack these enzymes (Cu-Mn).
In Eukaryotic cells Obligate anaerobes can be found in many different settings, such as soil, water, and animal gastrointestinal tracts. They are crucial to numerous ecological processes, including the decomposition of organic materials, nitrogen fixation, and carbon cycling. However, some obligatory anaerobes have a crucial role in medicine because they can infect people with impaired immune systems and contribute to the development of specific diseases.
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How does the structure of a nerve compare to that of a skeletal muscle? Which of the descriptive terms for nerves have similar counterparts in muscle histology?
Answer:
The comparison of these structures is very interesting because they are very different histologically but have certain similarities or factors in common.
Muscle histology is classified into skeletal muscle, smooth muscle, and cardiac muscle.
In the cardiac muscle there is a continuity of the cells by means of desmosomal junctions to better transmit chemical impulses or signals and allow simultaneous cardiac rhythmic contraction.
In smooth muscle, muscle fibers are innervated by the autonomic nervous system, while in skeletal muscles, they are innervated by the autonomic, that is, by the voluntary or conscious nervous system.
These last two present myocytes submerged in structures such as endomysium, perimysium and ectomyse.
The muscle fibers in the histological sections can be seen in longitudinal or transverse sections and they will be seen in different ways because of different perspectives, but in both sections, well-colored nuclei can be seen and central to the cell, also the cells have a tapered shape ... Something that differs from neurons since they are star shaped.
Muscle cuts can be seen with histological techniques such as hematoxylin and eosin or PAS, whereas nerve structures such as nerves must be seen through Argentine impression.
The nerves in turn present peripheral myelin structures or not .. Where it is called a myelin sheath and it surrounds them in a sauteed way along the axon. In turn, the somas present the central nucleus to the cell just like the muscle cells ...
The nerves with the muscles make up the motor unit, which is the presynaptic membrane, intersynaptic space and the postsynaptic muscular membrane, it is here that magic and the induction of contraction take place.
Explanation:
Finally, another thing to add is that the neurons, in turn, are isolated cells that interconnect with each other to transmit their stimuli, which is fundamental, as well as the function of cardiac muscle cells, in both cell types, the prolongation of the stimulus or chemical signal is essential.
in large hydrocarbon molecules such as fatty acids, the component atoms are held together by covalent bonds. Can similar stable molecules be formed with hydrogen bonds?
DNA is made up of two strands of sugar molecules and phosphate groups, with nitrogen bases in between them that are held together by hydrogen bonds.
the small bulge at the end of the axon that sends messages to other neurons are called by?
Terminal buttons are the tiny protrusions at the end of axons that communicate with neighboring neurons.
What is neuron and its function?The basic building blocks of the nervous system and brain are neurons (also known as neurones or nerve cells). Brain cells are the cells that receive sensory information from the outside world, give control signals to our muscles, and transform and relay electrical signals at each stage along the way.
What is the largest neuron?With a width of 1.1 mm, this R2 cell seems to be the biggest neuron ever captured on camera. When this cell is isolated, a record-breaking 1.965 g of total RNA was produced.
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Antibodies are proteins that attach to harmful foreign substances and mark them for destruction.
What determines the type of substance a specific antibody will attach to?
• A. The sequence of nitrogen bases in the antibody molecule
• B. The sequence of amino acids in the antibody molecule
• c. The number of nucleic acid strands in the antibody molecule
• D. The number of unsaturated hydrocarbon chains in the antibody
molecule
What is parasitic mode of nutrition? Explain with examples.
Answer:
Explanation:
ANSWER 1) Parasitic nutrition is a mode of heterotrophic nutrition where a parasitic organism lives on the body surface or inside the body of another type of organism (a host)
Examples of parasitic mode of nutrition are mosquito, ticks, lice, bedbugs , tapeworm
because lives on the body surface or inside the body of other organism called host.
ANSWER 2 ) Organisms that live in or on other organisms and acquire food at the expense of its host are called parasites. Most parasites are harmful to the hosts’ health; sometimes, they even kill the host. Both animals and plants may serve as a host. Unlike commensalism, the parasite causes some harm to its host. A few examples of parasites are louse on a human head, Cuscuta plant and tapeworms.
Cymothoa exigua is an unusual parasite. It is also known as the tongue-eating louse and is aptly named so as it is found in the mouth of the marine fish Lithognathus. It essentially severs the fish’s tongue, cutting off the blood supply and causing the tongue to fall off. The louse then attaches itself to the remains of the tongue and essentially acts as the fish’s new tongue.
u can choose which one to write :)
Explanation:
Parasitic nutrition is a mode of heterotrophic nutrition where an organism lives on the body surface or inside the body of another type of organism .
Vitamin D regulates Multiple Choice blood calcium levels. Fluid balance. Oxidation and reduction reactions. Energy metabolism
Vitamin D help to regulate blood calcium levels.
What is Vitamin D?Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and many other biological effects. In humans, the most important compounds in this group are vitamin D₃ and vitamin D₂. .
It help to absorb calcium and potassium in the body.
Therefore, Vitamin D help to regulate blood calcium levels