Water molecules are ____________ due to _________bonding. This property helps water molecules to stick to each other and allows for the movement of water from plant roots up to plant leaves. A) cohesive; ionic B) cohesive; hydrogen C) adhesive; hydrogen D) adhesive; covalent
Which describes a trait from a recessive gene? A)It causes a mutation. B)It masks a dominant gene trait. C)It can appear if it is heterozygous. D)It usually appears only if it is homozygous.
Answer:
It usually appears only if it is homozygous
Explanation:
According to Mendel's principles of inheritance, of which his law of dominance is one of them, an organism will receive two forms of gene for a particular trait called ALLELES from each parent.
Mendel discovered in his experiments that an allele is capable of masking the expression of another in a combined or heterozygous state. The allele that masks or is expressed is called DOMINANT allele while the allele that is masked is called RECESSIVE allele.
In a heterozygous state i.e. combined form of the different alleles, the dominant allele is phenotypically expressed over the recessive allele. Hence, the recessive phenotype or trait will only be expressed if the recessive allele are homozygous or same.
What three things can happen to the radiation that Earth receives from the sun?
The nuclear lamina is an array of intermediate filaments that line the inner side of the nuclear membrane. if a chemical treatment caused the lamina to disassemble, what would you expect to be the most likely immediate consequence?
Disassembly of the nuclear lamina would likely cause a loss of structural integrity of the nucleus, leading to potential nuclear deformation and problems with DNA organization, as well as cell division processes.
If a chemical treatment caused the nuclear lamina to disassemble, the most likely immediate consequence would be a compromise in the structural integrity of the nucleus. The nuclear lamina is a critical component made up of lamins, which are intermediate filaments that provide mechanical support and maintain the shape of the nucleus. This meshwork also plays an essential role in organizing chromatin, regulating gene expression, and ensuring correct replication and cell division.
Without the lamina, we could expect potential nuclear deformation, difficulty in organizing the DNA and associated machinery for replication and transcription, and problems with cell division processes including mitosis. Intermediate filaments are essential for cellular functions, and their absence in the structural framework of nuclear lamins could lead to a cascade of detrimental cellular events.
A young woman had a baby and wished to collect child support from the father. her blood type is ab and the baby's blood type is
a. there are two possible fathers: jim (who is type
a.and michael (who is type o). which man could be the father?
In which structure do gametes usually unite to produce a zygote?
Answer:
Fallopian tube
Explanation:
Fallopian tube is also called as oviduct and serves to deliver the ova from ovary to the uterus. Ovulation results in release of egg from ovary which then enter the fallopian tube. Fallopian tube also serves as site of fertilization during which egg units with male gamete sperm to form a diploid zygote.
The processes of encoding, storage, and retrieval are seen as part of the ____________ model of memory
A 17-year-old high school senior presents to your clinic in acute respiratory distress. between shallow breaths he states he was at home finishing his homework when he suddenly began having right-sided chest pain and severe shortness of breath. he denies any recent traumas or illnesses. his past medical history is unremarkable. he doesn't smoke but drinks several beers on the weekend. he has tried marijuana several times but denies any other illegal drugs. he is an honors student and is on the basketball team. his parents are both in good health. he denies any recent weight gain, weight loss, fever, or night sweats. on examination you see a tall, thin young man in obvious distress. he is diaphoretic and is breathing at a rate of 35 breaths per minute. on auscultation you hear no breath sounds on the right side of his superior chest wall. on percussion he is hyperresonant over the right upper lobe. with palpation he has absent fremitus over the right upper lobe.
The nutrient that provides 4 calories per gram and is needed to build and repair body tissue is __________.
protein
carbohydrates
vitamins
minerals,
The nutrient that provides 4 calories per gram and is needed to build and repair body tissue is protein.
Proteins are macronutrients, along with fats and carbohydrates.
While carbohydrates also provide about 4 calories per gram, fats provide about 9 calories per gram.
However, proteins are distinct in their role in the body.
They supply the amino acids that are the building blocks for body tissues.
Thus, they are essential for tissue repair and growth.
Unlike the energy-yielding nutrients (carbohydrates and lipids), which our body can survive without for several weeks, proteins are crucial because they provide the nitrogen that cells need to create nucleotides, nucleic acids, and new proteins.
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A biological community of interacting organisms and their physical environment is an
A biological community of interacting organisms and their physical environment is an ecosystem
What is an ecosystem?An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscapes, work together to form a bubble of life.
Every factor in an ecosystem depends on every other factor, either directly or indirectly. A change in the temperature of an ecosystem will often affect what plants will grow there, for instance. Animals that depend on plants for food and shelter will have to adapt to the changes, move to another ecosystem, or perish.
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1. Aquaculture is the practice of farming sea organisms as a renewable food source.
A. True
B. False.,
The hypothalamus uses releasing hormones to regulate secretions of tropic hormones from the
Heat lamps are designed to reheat food when it falls below 135 f true or false
The given statement is false, as the heat lamps are not created to reheat food when food falls under 135 degrees.
A heat lamp refers to an incandescent light bulb, which is utilized for the primary objective of producing heat. The heat lamps are not considered for holding the probable venturous foods hot at a minimum of 135 degrees Fahrenheit. In order to heat up a probable venturous food for decent holding, the food should be cooked over swiftly to a least internal temperature of 165 degrees.
Wo cells in the same organism differ only in the number of chloroplasts they contain. the first cell has multiple chloroplasts, and the second cell has very few. what would most likely characterize these cells? there would be no difference between the functioning of the cells because the chloroplasts are not essential cell structures. the second cell would become larger because it would have fewer chloroplasts regulating its size and shape. the second cell would shrink because it would not be able to store water and maintain cell shape. the second cell would not be able to produce as much food because it could not capture sunlight.
Answer:its d
Explanation:
just did it
It is often stated that the phosphate bonds in atp are "high energy," but in fact, they are not notably high in energy. rather, they are easy to break, and the δg of hydrolysis is a "useful" quantity of energy. what makes the phosphate bonds easy to break? negative charges on phosphate groups repel each other. positive charges on amino groups repel each other. high acidity attacks bonds between amino acids. high alkalinity attacks bonds between phosphate groups. they are close to the destabilizing nitrogenous base adenosine.
The answer is Negative charges on phosphate groups repel each other. The oxygen groups of a phosphoanhydride in ATP have electron cloud that repels each other. On hydrolysis, once a phosphate is lost, the electrostatic repulsion is reduced.
When ATP is hydrolyzed, it forms more hydrogen bonds with surrounding water molecules that when ATP is unhydrolyzed. Therefore, more energy is released since more bonds are formed than are broken. The net delta G is positive during hydrolysis of ATP.
The phosphate bonds in ATP are considered 'high energy' due to the repulsion of negative charges on the phosphate groups, making them easy to break and release energy. This process of breaking down ATP is a prime energy source for various cellular functions.
Explanation:The 'high energy' often attributed to phosphate bonds in ATP (adenosine triphosphate) originates from the instability caused by the repulsion between the closely aligned negative charges on the phosphate groups. ATP has three phosphate groups that are negatively charged and these negative charges repulse each other, creating strain on the bonds that attach them to the ATP molecule. This repulsion makes the bond easy to break, thus releasing the stored energy within ATP. The breaking down of ATP to ADP (adenosine diphosphate) and an inorganic phosphate group, in a process called hydrolysis, is a key source of energy for many cellular processes.
The subject of this question is Biology.
The phosphate bonds in ATP are often referred to as "high energy," but in reality, they are not notable for their high energy content. Instead, these bonds are easy to break due to the presence of negative charges on phosphate groups that repel each other.
This repulsion weakens the bonds and makes them susceptible to hydrolysis, which releases a "useful" quantity of energy. The proximity of the phosphate bonds to the destabilizing nitrogenous base adenosine also contributes to their ease of breaking.
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Anatomy question?
Which of the descriptions below does not explain the effects of air pollution on the respiratory system?
It could restrict air flow through the bronchi.
It could disrupt the rate of ventilation.
It could prevent hemoglobin from binding to oxygen.
It could increase carbon dioxide uptake in alveolar sacs.
I've narrowed this down to B and C, but I'm still not sure if those are even right. I've been working on this quiz since about 2 AM last night and it's getting on my nerves that this information isn't anywhere in my lessons.
which of the following is not caused by the moon?
A.moon rise
B sunrise
C tides
D eclipses
The bacteria in a colony are unable to perform transduction. How would this hurt the bacterial company's chance for survival
Answer:
The bacteria would be genetically more similar.
Explanation:
Which describes the primary function of the nervous system in keeping the body in homeostasis? It processes the environment and sends out signals. It controls movement and provides structure. It physically breaks down and absorbs food. It puts oxygen in the blood, which is essential for life.
The right answer is: It processes the environment and sends out signals.
Homeostasis is the ability of a system to maintain the equilibrium of its internal environment, regardless of external constraints. At the level of an organism, it is the set of parameters that must remain constant or adapt to specific needs, such as body temperature, blood glucose, blood pressure or heart rate.
Answer:
A.) It processes the environment and sends out signals.
Many cancer drugs known as "antimitotics" target microtubules. what is the first stage of mitosis at which these drugs are likely to have an effect? bio
The nurse is performing a physical examination of a client by placing the left hand on the back and supporting the client's right side between the rib cage and the iliac crest. which physical assessment maneuver is the nurse performing on this client?
How does pregnancy begin?
A. Differentiation
B. Fertilization
C. Deviation
D. Contraction
If a human system fails to function properly,what is most likely to result
In which stage(s) of non-rem sleep do brain waves become larger and punctuated with occasional sudden bursts of electrical activity??
Answer:
The correct answer is second stage of non-rem sleep.
Explanation:
The NREM of the non-rapid eye movement sleep, also called the quiescent sleep comprises three stages of sleep. In NREM, there is little or no movement of eye witnessed in any of the three stages, which is dissimilar to REM sleep.
In the second stage of NREM sleep, no movement of eyes is witnessed, and dreaming is very rare. The sleeper can get awaken quite easily. In the stage, the electroencephalogram readings demonstrate sleep spindles, that is, the brief bursts of high-frequency activity of the brain, and K-complexes.
An otr® is explaining the purposes of therapeutic exercise and therapeutic activity to a physician. what are the primary reasons that otrs use these interventions for musculoskeletal conditions?
In summary, therapeutic exercise and activity are fundamental components of occupational therapy for musculoskeletal conditions. They are tailored to address the specific needs of the patient, with the ultimate goal of restoring function, reducing pain, and enhancing overall quality of life.
The primary reasons that occupational therapists (OTRs) use therapeutic exercise and therapeutic activity for musculoskeletal conditions are to:
1. Improve Range of Motion (ROM): Musculoskeletal conditions often lead to a reduction in the normal movement of joints. Therapeutic exercises are designed to gently increase the ROM, thereby improving flexibility and joint mobility.
2. Increase Muscle Strength: Specific exercises can help strengthen the muscles around the affected joint or area, providing better support and reducing the risk of further injury.
3. Enhance Neuromuscular Control: This involves improving the communication between the nervous system and muscles. Enhanced neuromuscular control can lead to better coordination and balance, which is crucial for performing daily activities without pain or injury.
4. Reduce Pain and Inflammation: Certain exercises and activities can help alleviate pain and reduce inflammation in the affected area by promoting circulation and the delivery of nutrients to the tissues.
5. Improve Functional Mobility: By addressing the above areas, therapeutic exercises and activities aim to improve a patient's ability to perform functional tasks, such as walking, climbing stairs, or reaching for objects, with greater ease and less discomfort.
6. Prevent Deformity and Contracture: Regular exercise can prevent the development of deformities and contractures that may result from immobilization or muscle imbalance due to musculoskeletal conditions.
7. Facilitate Healing and Tissue Repair: Controlled exercises can promote the healing process by stimulating tissue repair and remodeling, which is essential for the recovery of injured tissues.
8. Educate the Patient: OTRs use therapeutic exercises as an opportunity to educate patients about their conditions, the importance of adherence to the exercise regimen, and ways to manage symptoms independently.
In summary, therapeutic exercise and activity are fundamental components of occupational therapy for musculoskeletal conditions. They are tailored to address the specific needs of the patient, with the ultimate goal of restoring function, reducing pain, and enhancing overall quality of life.
What is the term for the protective wall that helps bacteria survive unfavorable conditions? endospore sporangia aerobic wall botulism
A) Endospore
When living conditions become undesirable some bacteria become dehydrated cells called, " Endospores."
- Prodixy ☕
Here, B represents the allele for black hair and b represents the allele for white hair. If both the rabbits crossed had genotype Bb, what will be the phenotypic ratio for the observable monohybrid crosses (complete dominance)?
If B represents the allele for black hair and b represents the allele for white hair then a cross between Bb and Bb will lead to the following kind of progenies.
Parental: Bb x Bb
F1 : BB Bb Bb bb
Genotypic ratio : 1:2:1
Phenotypic ratio : 3:1
The phenotypic ratio indicates that three of the four off springs will have black hair while one of the four off springs will have white hair.
Amongst 3 offsprings which have black hair, one will be homozygous dominant whereas other two which have black hair color will be heterozygous dominant.
The set of instructions for each characteristic donated by the parent of the offspring is called
Instructions from characteristics which are passed from the parent to the offspring are called genes. Genes are made of complex molecules of DNA. Each parent also donates chromosomes to their offspring. Each offspring will get half of their genes from each parent and they will therefore have the aspect of the two parents.
The development of vascular tissue allowed some seedless plants to
A. use alternation of generations.
B. perform photosynthesis.
C. grow taller.
D. make sugars for energy.
pls help asap
You are working with different tissues in lab, unfortunately you forgot to label them and your friend wants to borrow your slide containing liver tissue. based on your knowledge of the liver and these descriptions of different slides which is most likely to be liver tissue?
To identify the liver tissue, look for hepatocytes arranged in plates around a central vein, forming hexagonal hepatic lobules. Each lobule includes sinusoids and portal triads. These features are unique to liver tissue.
To identify the liver tissue among your slides, you should focus on the unique histological features characteristic of the liver.
Hepatocytes are the main functional cells of the liver, and these cells often appear polygonal in shape, organized into plates around a central vein structure. You'll also notice that liver tissue has a distinctive arrangement called the hepatic lobule, which includes the central vein, portal triads (consisting of a bile duct, hepatic artery, and portal vein), and sinusoids, which are specialized capillaries that run between the plates of hepatocytes.
On your slide, look for these key features:
Hexagonal hepatic lobules with a central vein.Radially arranged plates of hepatocytes.Sinusoids appearing as spaces between hepatocyte plates.Portal triads located at the corners of the lobules.By identifying these structures, you can confidently determine which slide is your liver tissue.