What role does catalase play in this reaction of anenzyme?
A student analyzed ears of corn that demonstrated two traits in the F2 kernels, purple or white colors and smooth or wrinkled shapes. A tabulation of 135 individual kernels gave the following results:
purple and smooth = 75
white and smooth = 28
purple and wrinkled = 24
white and wrinkled = 8
The alleles are dominant.
purple and smooth
purple and wrinkled
white and wrinkled
white and smooth
i picked white an smooth..
Monozygotic twins share _____ percent of their genes.
The brain's interpretation of sensory stimuli is called
What type of lava flows from a shield volcano
Answer:
Shield volcanoes have a type of lava that is very fluid when it erupts. Explosions only happen if water somehow gets into the vent, otherwise they are low-explosivity and form cones and the vent.
Explanation:
Hydrocarbons are which type of macromolecule and what elements make them up?
A nurse suffered a needlestick injury after administering a subcutaneous medication to a patient. the subsequent investigation revealed a flaw in the design of the needle and syringe that contributed to the adverse incident. what action should be taken by the investigation team?
What is the name of lumbar sacral and coccygeal spinal nerves?
How do aerobic bacteria differ from anaerobic bacteria?
Which organelle synthesizes proteins that are used in the cytoplasm?
In biology, the Ribosome is the organelle that synthesizes proteins which are used in the cytoplasm. This process is called translation and is crucial for cell function.
Explanation:The organelle that synthesizes proteins which are used in the cytoplasm is the Ribosome. Ribosomes are small, spherical organelles that are found in every living cell and are sites where protein synthesis occurs. This process is called translation, where the genetic information from RNA is read to create proteins. These proteins will then perform a variety of functions in the cell, including acting as enzymes, structural proteins, or signaling molecules.
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Runners who eat pancakes and pasta before a race choose these foods because these foods provide extra
Which of these statements best describes a scientific theory? it is a description of an observation which does not change over time. it is a description of an observation after research over a period of time. it is an explanation for an observation which is not based on data. it is an explanation for an observation after several valid experiments?
Answer: The correct answer is- It is an explanation for an observation after several valid experiments.
A scientific theory can be described as an explanation of a fact that can be tested and verified with the help of repeated experiments, using particular protocol of experiment that involves measurement, and evaluation of results.
In other words, It is the interpretation and explanation of the facts that are observed through various experiments.
Thus, it is an explanation for an observation after several valid experiments.
A) ATP is produced by cellular respiration in your human body cells. There are a variety of enzymes that work to produce ATP, but one of those enzymes is called phosphofructokinase-1. This enzyme is sensitive to blood acidity. Blood can become more acidic if a patient is in respiratory distress. 4. Variable affecting enzyme function: ___________________________________________________
What are the 3 things that all organisms are capable of doing? These are also known as the challenges of life.
A) working, growing, eating food
B) photosynthesis, reproducing, growing
C) growing, processing nutrients, reproducing
D) running, breathing, watching TV
The _______ is the smooth, triangular surface where the anterior surface of the scapula faces the ribs.
______________ are liquids or gels that help lower the number of pathogens on skin
Antibacterial substances or surfactants like soaps, gels, and certain detergents help lower the number of pathogens on skin. They work by reducing surface tension of water and disrupting cell membranes. However, completely eradicating all bacteria from the skin is not advisable as some nonpathogenic bacteria help control the growth of pathogenic ones.
Explanation:The substances that are liquids or gels that help lower the number of pathogens on skin are commonly referred to as antibacterial substances or surfactants. These include soaps, alcohol-based gels, and certain detergents. They operate by lowering the surface tension of water, enabling the mechanical washing away of microbes, and disrupting cell membranes. Every day examples include hand washing with soap and water or using an alcohol-based hand gel.
Aside from surfactants, the body has its own physical and chemical barriers that work against pathogens. The skin, for example, serves as a continuous barrier against potential infections. Further, some of the lipids and fatty acids in sebum (an oily secretion on the skin) can inhibit microbial growth.
It's important to note, however, that completely ridding our skin of bacteria would be harmful. We need nonpathogenic bacteria on our skin to keep pathogenic ones from thriving. So while antibacterial products are useful, they don't and shouldn't eradicate all bacteria.
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What time should i quit eating for a 12:30 p.m. colonoscopy?
You should stop eating solid food the day before a colonoscopy scheduled for 12:30 p.m. Clear liquids are typically allowed until 2 hours before the procedure. Always follow your doctor's specific instructions.
Explanation:Generally, for a 12:30 p.m. colonoscopy, you should stop eating solid food the day before the procedure. Clear liquids are usually allowed up until 2 hours before the colonoscopy. This ensures that your colon is completely clean for the procedure. However, these instructions can vary depending on the doctor's guidelines, so it's crucial to follow the specific preparation instructions provided by your doctor or the medical facility.
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Compare the number of vacuoles in plant cells and animal cells
Plant cells contain a singular large central vacuole that can take up most of the cell's volume, while animal cells possess multiple smaller vacuoles. The large central vacuole in plant cells assists in structural support, storage, and waste disposal, functions that are handled more discretely in animal cells without contributing to rigidity.
Explanation:Plant and animal cells both contain vacuoles, but the number and size of these organelles vary significantly between the two. In plant cells, there is typically a single large central vacuole that may occupy up to 90% of the cell's volume. This vacuole plays a critical role in maintaining the cell's structure, storing nutrients, and managing waste products. Conversely, animal cells typically have smaller and more numerous vacuoles. The primary role of animal vacuoles is similar in terms of storage and waste disposal, but they do not contribute to the cell's rigidity as plant vacuoles do because animal cells lack a rigid cell wall.
It’s also important to note that plant cells possess other structures not found in animal cells, such as a cell wall made of cellulose, chloroplasts for photosynthesis, and plastids used for storage. Conversely, animal cells contain lysosomes and centrosomes, which are not commonly found in plant cells. These differences are fundamental to the diverse functions and life processes of plant and animal cells.
What is not a negative side effects of the escalating costs of malpractice insurance?
what are the two specific concerns of species diversity
The answer is (species richness) and (species evenness) for plato.
1.) The ...blank... hypothesis suggests that our solar system evolved from a huge rotating cloud of dust and gas.
2.) Lines of ...blank... are used to measure distances east or west of the prime meridian in degrees.
3.) The major difference between a topographic map and other maps is that s topographic map shows ...blank... .
Answer:
1. The nebular hypothesis suggests that our solar system evolved from a huge rotating cloud of dust and gas.
2.) Lines of longitude are used to measure distances east or west of the prime meridian in degrees.
3.) The major difference between a topographic map and other maps is that s topographic map shows elevation.
Explanation:
The nebular hypothesis is the most widely accepted hypothesis to describe the formation of the solar system. It states that the solar system born from a nebula, which is a cloud of atoms and molecules in the outer space.
Latitudes and longitudes are the units of the geographic coordinate system. Every address in the world has a set of coordinates, latitude, and longitude. Latitude divides the globe in north and south from the equatorial plane, while longitude divides the globe in west and east from the Greenwich Meridian.
A topographic map shows the topography. Although there are many methods, usually it has contour lines to indicate points with similar elevation.
Raul valladares has a protrusion of a muscle substance through a tear in the fascia surrounding it. this condition is known as
diseases such as typhoid and amoebiasis are associated with? A.) air pollution B.) water pollution C.) soil pollution or D.) nutrient pollution
Process that tests a hypothesis by collecting information under controlled conditions is called
The _____ gland has sometimes been called the "master gland" because it controls the functioning of the rest of the endocrine system.
A person's thyroid does not work correctly. What problem would he most likely have?
Final answer:
A person with an incorrectly working thyroid could suffer from hypothyroidism if the gland is underactive, showing symptoms like weight gain and fatigue, or hyperthyroidism if overactive, with symptoms such as weight loss and increased heart rate. Goiter, related to iodine deficiency, typically leads to hypothyroidism symptoms. Symptoms of thyroid issues can be subtle and might not always be obvious.
Explanation:
If a person's thyroid does not work correctly, they could experience a variety of symptoms depending on whether the gland is overactive (hyperthyroidism) or underactive (hypothyroidism). For example, if a patient exhibits symptoms such as weight gain, cold sensitivity, low heart rate, and fatigue, they are most likely experiencing hypothyroidism, where the thyroid gland does not produce enough thyroid hormone crucial for metabolism. On the other hand, if a patient shows symptoms of weight loss, profuse sweating, increased heart rate, and difficulty sleeping, they would most likely be diagnosed with hyperthyroidism, where the thyroid gland is overactive.
When discussing goiter, which is a condition caused by iodine deficiency, the thyroid gland is unable to produce sufficient T3 and T4 hormones. As a result, an increase in thyroid-stimulating hormone (TSH) is produced to compensate. Common symptoms would hence include those associated with hypothyroidism such as weight gain, cold sensitivity, and reduced mental activity.
It's a myth that one will always be aware of a thyroid problem due to obvious symptoms; often, symptoms can be subtle or mistaken for other health issues.
Sperm in the lumen are unable to move independently and require ________ to move through the tubules of the testes.
Answer:
The correct answer would be smooth muscle contractions.
The testes ducts include seminiferous tubules, rete testis, epididymis, vasa deferens and urethra.
The seminiferous tubules serves as the site of sperm formation. They then migrate to epididymis for storage and maturation.
The sperm then migrate to vasa deferens from epididymis when the penis gets erected.
When sufficient stimulation is achieved, the vasa deferens propels the sperm forward with the help of smooth muscle contractions.
The _____ includes the pinna, the ear canal, and the eardrum.
The primary means through which humans adapt to their environment is:
Why are habitats that are more diverse and have a higher diversity index more stable?