Extranuclear genes are not segregated into gametes the same way the nuclear chromosomes are. As such, extranuclear genes ______ exhibit Mendelian patterns of inheritance.

The spinal cord is the part of the central nervous system that carries information from your senses to your brain and motor-control information to your body parts.

The spinal cord is part of the central nervous system, which is responsible for sending messages between the brain and the body. The spinal cord is a long, thin bundle of nerves that runs from the base of the brain down the back and is made up of grey matter and white matter. Grey matter is the part of the nervous system that contains the cell bodies of the neurons and white matter is the part of the nervous system that contains the axons of the neurons.

The spinal cord is protected by a thick layer of fatty tissue called the myelin sheath. This myelin sheath helps to insulate the neurons and also speeds up the electrical signals travelling between the brain and the body. The spinal cord carries information from the senses such as sight, smell, sound, taste and touch and motor-control information to the body. The motor-control information includes instructions from the brain to the body parts such as arms and legs to move. The spinal cord also carries information to and from the organs in the body, such as the heart, lungs and pancreas.

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After S phase, the DNA of the cell would weigh the same as it did before, which is 10 picograms. During the S phase of the cell cycle, DNA replication occurs, resulting in the synthesis of an identical copy of the cell's DNA.

The total amount of DNA in the cell does not change because the newly synthesized DNA molecules have the same weight as the original DNA molecules. Therefore, the DNA weight remains constant at 10 picograms after S phase.

At the end of mitosis, the cell divides into two daughter cells. Each daughter cell receives an equal and identical set of chromosomes, which includes the replicated DNA from S phase. Since each daughter cell receives the same amount of DNA as the parent cell, the weight of DNA in each daughter cell would also be 10 picograms.

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Answer:

The patient should make lifestyle changes to healthier foods and start an exercise plan to reduce his weight by 30 pounds.

Explanation:

We know that the patient weighs 225 pounds, and his height is 6 feet. With this information, we can determine his Body Mass Index (BMI) using the formula:

BMI= weight/(height)²

BMI= 225/(6)²

BMI= 30.5

Once that we calculated his BMI, we compare the result with the reference chart, here we can see that for his height. he is obese. This coincides with the fact that he has been diagnosed with atherosclerosis. His body has been placing the extra fat in the arteries.

The best plan for Jabob would be to make a lifestyle change to healthier foods and an exercise plan that helps him to lose weight so that his BMI would be approximately 25 and his weight of 195 pounds. Also, this plan will reduce cholesterol levels.

Answer:

north Atlantic ocean

is your answer

Answer:

Mediterranean ocean that's it bro

Similarities between  gibbon, a human,chimpanzee,gorilla and orangutan is that all are primates,while the difference is that their minimal race strength is different from each other.

There are many similarities between a Gibbon, a Human, a Chimpanzee, a Gorilla and an Orangutan. First of all they are primates and come from the superfamily Homonoidea. All of these primates are capable of using tools, solving puzzles and known to have an intelligent brain. They also share a common class of being omnivorous in nature.

Differences lie between a Gibbon, a Human, a Gorilla, a Chimpanzee and an Orangutan are they possess a minimal race strength of 20 km/hr, 44 km/hr, 40 km/hr, 44 km/hr and 19 km/hr respectively. Gorilla is the largest and heaviest of all primates with an average weight of 550 lbs. Humans are known to have the best bipedal skeleton than any other primate. After Chimpanzee, Gibbon resembles humans much higher than Gorillas and Orangutans.

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The genes associated with alcohol use disorder and tobacco dependence appear to produce deficiencies in the brain pathways associated with the neurotransmitter dopamine.

Dopamine is a neurotransmitter that plays a crucial role in reward, motivation, and pleasure pathways in the brain. The genes associated with alcohol use disorder and tobacco dependence have been found to influence the functioning of these pathways, leading to deficiencies in dopamine transmission.

Alcohol use disorder and tobacco dependence are complex conditions influenced by both genetic and environmental factors. Studies have identified certain genetic variations that are more common in individuals with these disorders. These genetic variations are involved in the regulation of dopamine receptors, transporters, and other components of the dopamine signaling pathway.

Deficiencies in the dopamine pathways can affect the brain's reward system, leading to altered responses to alcohol and tobacco. Individuals with these genetic variations may experience reduced dopamine release or impaired dopamine receptor function, which can contribute to a heightened susceptibility to alcohol and tobacco addiction.

Understanding the role of dopamine and the genetic factors involved in alcohol use disorder and tobacco dependence is crucial for developing effective prevention and treatment strategies. By targeting the dopamine pathways and related genetic factors, researchers and healthcare professionals aim to address the underlying mechanisms of addiction and develop personalized approaches for individuals struggling with these disorders.

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Both the sympathetic and parasympathetic divisions of the autonomic nervous system are responsible for innervating the kidneys.

A highly innervated organ, the kidney. Both afferent and efferent fibers of the renal plexus are involved in kidney innervation. This plexus is made up of fibers that come from the celiac plexus. Each contributing plexus contributes to efferent innervation, which is mostly sympathetic. The kidneys are additionally innervated by parasympathetic fibers from the vagus nerve and fibers from the intermesenteric plexus.

The sympathetic route is followed by afferent fibers that transmit pain from the viscera. The sympathetic trunk is reached by way of the celiac plexus and the splanchnic nerves by the afferent fibers that sense pain coming from kidney stones in the renal pelvis or calyces.

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To better understand the answer, please refer to the image that is attached below:

In a sewage treatment facility, an optimal environment is maintained for the survival of naturally occurring species of microorganisms. These organisms can then break the sewage down into relatively harmless wastewater. For these microorganisms, the wastewater facility serves as an ecosystem.

Ecosystems are the foundation of the 'Biosphere' and maintain the natural balance of the earth. For example, let's take the relationship between sheep and lion in the ecosystem; for its survival, the lion eats the sheep. And each relationship like this has an effect on other creatures and plants living in the same area.

It provides a habitat to wild plants and animals. It promotes various food chains and food webs. It controls essential ecological processes and promotes lives. Involved in the recycling of nutrients between biotic and abiotic components.

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Answer:

DNA is made up of molecules called nucleotides.

Its unique structure enables the molecule to copy itself during cell division. When a cell prepares to divide, the DNA splits down the middle and becomes two single strands. These single strands serve as templates for building two new DNA molecules - each a replica of the original DNA molecule.

A disease in which the pathogen must cross the blood-brain barrier to produce disease is meningococcal meningitis

Pathogens are organisms that can cause health problems. Pathogens need a host to thrive and survive. Pathogens can evade the immune response after obtaining a host, the pathogen will replicate and spread to new hosts such as by entering into the blood-brain barrier. Several types of pathogens such as viruses, bacteria, fungi and parasites pose a high risk of exposure to humans.

Meningococcal meningitis is an infectious disease caused by Neisseria meningitis. These bacteria can infect the thin layer of tissue that covers the brain and spinal cord and cause inflammation. Bacteria will be induced by entering into the cerebrospinal fluid stream through the blood-brain barier or directly through local infection or defects in the dural lining. Meningitis bacteria can be transmitted by coughing, sneezing, brushing teeth and smoking. Meningitis bacteria enter the bloodstream then migrate to the brain and spinal cord and begin to infect.

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Answer: True.

Explanation:

Answer:

true

Explanation:

Answer:

The correct answer is - D. They convert energy from the sun to chemical energy.

Explanation:

In any food web, producers are the organism that can make their own food and energy by converting light energy coming from the sun into chemical energy, this process called photosynthesis.

Normally producers are green plants. These are present at the bottom of the energy pyramid as these are the highest in the number. Consumers et energy from producers by feed on them.

Answer:

Nepal

Lapsi (Choerospondias axillaris) is a popular fruit tree that is found in Nepal and many other Asian countries.

Answer:

Nepal

Explanation:

Answer:

ADP [Adenosine Tri Phosphate] is a low energy molecule in the living cells, which can easily be converted to ATP, this is done by combing a single molecule of phosphate to ADP in order to produce ATP.

Explanation:

Answer:

B. These places once had a warmer climate.

Explanation:

They're fossils meaning they're extremely old therefore the climate they once grew in was suitable for its needs until the climate changed causing them to die.

The most important conceptual step in designing a PCR protocol for diagnostic purposes is Design a pair of primers that will give a unique amplification product. The correct option is D.

The most important conceptual step in designing a PCR protocol for diagnostic purposes is to design a pair of primers that will give a unique amplification product. Primers are short, single-stranded DNA sequences that are complementary to the target DNA region to be amplified. They are crucial for initiating the PCR reaction, as they hybridize to the target DNA and serve as a starting point for DNA synthesis by the DNA polymerase.

Designing specific and efficient primers is essential to ensure that only the target region is amplified, avoiding non-specific amplification of other DNA regions. The primers should be carefully designed, considering factors such as length, melting temperature, GC content, and specificity. Proper primer design will result in a unique amplification product that can be accurately detected and quantified for diagnostic purposes.

In summary, the key conceptual step in designing a PCR protocol for diagnostics is creating a pair of primers that give a unique amplification product, ensuring the specificity and accuracy of the diagnostic test. Thus, D is the correct option.

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80 E. coli cells will be in the culture after two hours.

The development of the human, plant, or animal cells in a lab, as well as microorganisms like bacteria and yeast. Cell cultures can be used for research, medication testing, and infection diagnosis.

Primary (mortal) cultures and cultures of established (immortal) cell lines are the two main categories of cultures.

One of the most crucial methods in cellular and molecular biology is cell culture because it offers a platform for studying the biology, biochemistry, physiology, metabolism, and other aspects of both healthy and diseased cells.

A culture of 10 E. coli cells.

Incubation time = 2 hours = 120min

Doubling time = 30min (120/30 = 4)

So, 1 cell - 30min = 2 cells - 30min = 4 cells - 30min = 8 cells - 30min

Therefore, 8 ₓ 10  = 80cells of E. coli at the end of 2 hours of incubation time.

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Answer:

B) do not have a nucleus

Explanation:

A- they do not have a nucleus but instead contain a nucleiod

C- Although they contain a cell wall, other cells such as plant cells which a eukaryotes also contain a cell wall

D_ they do have  a cell wall

You can use the image to get a better understanding if needed.

Answer:

both

Explanation:

both classes are na's

Answer:

mechanical weathering:

ice wedging: does not change rocks composition: abrasion

chemical weathering:

oxidation: changes rocks composition: acid rain

Fibroblasts organize the collagen of the extracellular matrix by pulling the collagen into sheets or cables after it has been secreted. The correct answer is D.

Fibroblasts play a crucial role in the organization and maintenance of the extracellular matrix (ECM), which is a complex network of proteins that provides structural and functional support to tissues and organs.

One of the major components of the ECM is collagen, a fibrous protein that gives tissues their tensile strength and elasticity.

Fibroblasts are responsible for synthesizing and secreting collagen into the ECM, where it is then organized and assembled into fibrils.

To organize the collagen fibrils, fibroblasts use a combination of techniques.

They process procollagen, the precursor molecule of collagen, into mature collagen by removing specific segments.

They then assemble the collagen fibrils by twisting individual collagen molecules together into triple helices, which are then cross-linked to form fibrils.

Fibroblasts also pull and align the collagen fibrils into specific orientations using mechanical forces generated by contractile proteins such as actin and myosin.

This alignment of collagen fibrils is critical for tissue function, as it determines the mechanical properties of tissues such as their stiffness, elasticity, and strength.

Overall, fibroblasts play a crucial role in organizing the collagen of the ECM, which is essential for tissue development, maintenance, and repair.

Therefore, the correct answer is D.

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Answer:

The pituitary gland; is the answer to this question. I hope it helped.

Answer:

The Answer is G-T-A-G-C-T

Explanation:

Answer:

G–T–A–G–C–T

(b)

Answer:

embryo

Explanation:

after fertilisation, the zygote divides a few times and become a ball of cells known as an embryo

um what are the anwsers for the question

The motor neuron soma is located in the ventral horn of the spinal cord and specifically in sheet IX, which is located in the gray matter.

These both facilitative and inhibitory modulations of spinal reflexes arise from descending pathways in the brainstem and cortex. Voluntary movement and some reflex actions prompted by the senses are also controlled by the descending pathways. Gray matter contains most of the neuronal cell bodies, making it appear tan with circulation but gray when prepared for out of body examination. These somas are circular structures that house the nucleus of cells. Gray matter also extends from the brain to the spinal cord. The indirect pathway is a type of descending motor pathway used to maintain posture, muscle tone, and balance by controlling automatic movements. It is generated in the brain stem.

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Answer:

Asexual reproduction, the simplest and most primitive method of reproduction, involves a single parent and produces a clone, an organism that is genetically identical to the parent. Haploid gametes are not involved in asexual reproduction. A parent passes all of its genetic material to the next generation.

Explanation: