A deep sense of well-being results when our need for relatedness is satisfied in balance with our psychological needs for competence and
What creates recirculating currents and turbulent waters that can swamp boats and drown boaters?
Recirculating currents and turbulent waters that can swamp boats and drown boaters are caused by factors in physics, particularly in fluid dynamics. Ocean currents and the movement of large objects can create vortices and turbulence.
Explanation:The recirculating currents and turbulent waters that can swamp boats and drown boaters are caused by a combination of factors in physics, particularly in fluid dynamics. One factor is the ocean currents, which can create vortices and turbulence. Another factor is the movement of large objects, such as boats and airplanes, which create significant turbulence as they move through the water or air.
What is the outcome of mitosis?
A. two identical nuclei
B. two identical spindles
C. two identical chromatids
Answer:
The correct answer is option A. two identical nuclei.
Explanation:
Mitosis is a type of cell division during which two identical daughter cells are produced from a single parent cell.
During mitosis, replicated chromosomes are divided into 2 new nuclei, It gives rise to identical cells with the same number of chromosomes.
During interphase, DNA of the cell is replicated and at the last of interphase, the original DNA and a copy of this DNA are in the nucleus of the cell.
In the M phase or mitotic phase, the nuclear DNA of the cell condenses into chromosomes and is pulled apart by the mitotic spindle, made out of microtubules. Four phase takes place during mitosis: prophase, metaphase, anaphase, and telophase. IT results in two identical daughter cells after cytokinesis.
Thus, the correct option is two identical nuclei.
The outcome of mitosis is two identical nuclei
What is the outcome of mitosis?The outcome of mitosis is the division of a cell into two daughter cells, each containing an identical set of chromosomes. During mitosis, the replicated chromosomes are separated and distributed equally into the daughter cells, resulting in the formation of two identical nuclei. This process ensures that each daughter cell receives the same genetic information as the parent cell, allowing for growth, tissue repair, and asexual reproduction in organisms.
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Bacteria need the right kind of food to grow on. generally, they prefer foods that are high in protein, slightly acidic, and _______.
Bacteria optimally grow on high-protein, slightly acidic, and moist substances.
Explanation:Bacteria grow best on substances that are rich in protein, slightly acidic, and moist. Moist environments help bacteria to maintain the necessary solute concentration within their cells and they also aid in the transport of nutrients into the cell. Foods that contain a high protein content include meat, which makes it a prime substrate for bacterial growth.
The acidity level in foods is essential for bacterial survival. Most bacteria cannot survive in highly acidic environments, and hence they prefer slightly acidic foods. This is one reason why foods like lemon and vinegar can be used as natural preservatives to slow the growth of bacteria.
Cellular processes such as respiration and excretion also occur more efficiently in moist conditions. In summary, bacteria are microorganisms that prefer high protein, slightly acidic, and moist environments to grow best.
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Darwin referred to the process of promoting certain traits by breeding members with those traits as _______.
Darwin referred to the process of promoting certain traits by breeding members with those traits as Artificial selection.
What is Artificial selection?Artificial selection is the process of identifying desirable qualities in plants and animals and then taking action to strengthen and pass those traits on to succeeding generations.
Artificial selection operates in a similar manner to natural selection, with the exception that in natural selection, these judgments are made by nature without human intervention.
In laying out the evidence for his theory of evolution by natural selection in his 1859 book, On the Origin of Species, the British naturalist and biologist Charles Darwin highlighted the physical traits and behaviors of several species of bird called finches.
Therefore, Darwin referred to the process of promoting certain traits by breeding members with those traits as Artificial selection.
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External respiration is the exchange of respiratory gases between the organism and ________. it takes place via a ___________ membrane with thin ____________. internal respiration is the exchange of gases between __________ and the _________.
External respiration is the exchange of respiratory gases between the organism and the outer environment.
It takes place via a respiratory membrane with thin moist epithelial cells.
Internal respiration is the exchange of gases between blood and the cells.
The process of diffusion of gases (oxygen and carbon dioxide) in and out of the blood is respiration, internal and external respiration are the types of respiration.
What parts of your body should have protection whenever you fire a handgun?
_____ fungus increases the area of the root for absorbing water and minerals from the soil.
1.Parasitic
2.Mold
3.Mycorrhizae
4.None Of The Above
Which epoch covers the time from 5 million to 1.8 million years ago?
1.Eocene
2.Miocene
3.Paleocene
4.Pliocene
Answer:
From the choices, the answer would be Pliocene. This is the shortest epoch of the Cenozoic era.
The lipid that makes up most of the lipids in our body is:
What organism uses carbon dioxide in the air?
When you are working with chemicals you should _____. Select all that apply.
1. wear and apron and googles
2.use a ventilation hood
3.know the location of the fire blanket and fire extinguisher
4.wash the area with a 10% bleach solution
Answer: 1. wear an apron and googles
2.use a ventilation hood
3.know the location of the fire blanket and fire extinguisher
Explanation:
Chemicals in the laboratory if used inappropriately may cause accident or hazard. Therefore, special measures should be taken to avoid any loss of skin, clothes or lives working in a laboratory.
Following are the measures that should be taken while working with chemicals:
1. Wear an apron and googles: This will prevent the cloths from damage which may be caused if any accidental splash occurs. The goggles will protect the eyes from the fumes which may liberate during the reaction.
2. Use a ventilation hood: This will absorb the air which may consists of toxic gases produce after the reaction.
3.Know the location of the fire blanket and fire extinguisher: The fire blanket or fire extinguisher can help in preventing the damage caused due to accidental fire during the experimentation process.
How is the sickle-cell allele maintained through natural selection? A.) Individuals with two recessive alleles have very high rates of reproduction. B.) Mosquitoes that pass along the parasite also pass on the recessive allele. C.) Individuals with two dominant alleles have very low rates of reproduction. D.) Heterozygous individuals pass the dominant and recessive alleles to offspring.
the answer is d as in doggy
Which organ helps to pull air into the lungs by creating space and negative pressure in the lungs when it contracts?
the alveolus
the diaphragm
the bronchi
the glottis
Human hands are delicate and efficient instruments. each one contains 27 bones, one more than each human foot. each also contains muscles and tendons which react to nerve stimuli. it is these reactions which enable people to clench and grasp. the thumbs are, perhaps, the most important part of each human hand. they are opposable, which gives them their unique movement. besides humans, only apes have opposable thumbs. the ability to grasp is probably responsible for much of human progress.
The passage focuses on the anatomy of human hands, specifically the 27 bones, muscles, and tendons, as well as the importance of opposable thumbs, which serve a significant role in our ability to manipulate objects and have contributed to human evolution.
Explanation:The passage provided appears to be discussing the anatomical structure and importance of human hands. The 27 bones, along with muscles and tendons that respond to nerve stimuli, provide the unique ability to clench and grasp. This capability is enhanced by the presence of opposable thumbs, a feature shared only by humans and apes. The opposability of thumbs is a significant functional feature, allowing for precision grip and the manipulation of objects. This characteristic is likely a contributing factor to human evolution and progress, enabling the development of tools and complex tasks.
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Projections from the cell that move materials and mucus are:
what are some comparisons with the compound light microscope and a transmission electron microscope
Susan’s aunt suffered from a cerebrovascular accident. what is the common name for this medical problem?
Which is used as an energy source by polar bears and orange trees?
sunlight
glucose
glycogen
starch
Glucose is used as an energy source for polar bears and orange trees.
how high can a human fall without injury
From the time a fertilized egg is implanted in a mother's uterus until about the eighth week of pregnancy, the developing organism is called a/an
A. placenta.
B. embryo. ( I think its this one.not sure.)
C. zygote.
D. fetus.
To what phylum and class do tapeworms belong
Which brain region processes the emotional significance of stimuli and generates immediate emotional and behavioral reactions?
(WILL GIVE BRAINLIEST AND THANKS)
Where on Earth's surface might you be if you are experiencing the trade winds? Explain how air pressure, temperature, and the Coriolis effect in movement and direction of thesewinds.
The patient is awake many times during brain surgery. in an operation to remove a brain tumor, dr. judson accidentally poked a certain area of the cerebrum, whereupon the patient said, "why is my arm being tickled?" what area was poked?
The active ingredient in marijuana, tetrahydrocannabinol (thc) is stored in the body's ________ cells.
THC, the active ingredient in marijuana, is stored in the body's fat cells.
Explanation:The active ingredient in marijuana, tetrahydrocannabinol (THC), is primarily stored in the body's fat cells. THC is a lipid-soluble molecule, meaning it can easily dissolve in fat. When someone consumes marijuana, THC is absorbed into the bloodstream and eventually accumulates in fatty tissues throughout the body, including the brain, liver, and adipose tissue.
Because THC is stored in fat cells, it has a long elimination half-life compared to other drugs. This means that THC can remain detectable in the body for an extended period, even after the immediate effects of marijuana have worn off.
In summary, THC is stored in the body's fat cells, allowing it to be gradually released into the bloodstream over time.
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What is the name for the measure of a drug's relative safety for use, computed by the ratio of the lethal dose for 50 percent of the population over the effective dose?
What is the chemicals called that are sometimes used to make the specimen visible in a microscope?
Final answer:
The chemicals used to make specimens visible under a microscope are called stains and dyes. These chemicals enhance contrast by adding color to otherwise transparent cells, allowing for detailed observation of cellular structures. Some common dyes include Texas red, FITC, DAPI, and acridine orange.
Explanation:
Introduction to Microscope Stains and Dyes
When viewing cells under a microscope, specimens often need to be made more visible through the use of stains and dyes. These chemicals add color to the cells, providing the contrast necessary to observe the details that are otherwise invisible due to cells' transparency. Microscopes, such as light microscopes and fluorescence microscopes, produce magnified images of microorganisms, human cells, and tissues.
Staining with Dyes
Stains and dyes are important for enhancing the visibility of microscopic organisms and cells. Some dyes are applicable to living microbes, while others require that cells be fixed with chemicals or heat before application. Each dye works uniquely depending on the cellular chemical composition of the microbes.
Fluorescence Microscopy
Fluorescence microscopes utilize fluorochromes, such as Texas red and FITC. These are fluorescent chromophores that absorb and then emit light, providing significant contrast. Nucleic acid dyes like DAPI and acridine orange highlight specific cell components under a fluorescence microscope.
Light Microscopes
Most student microscopes are light microscopes, advantageous for viewing living organisms. However, staining usually kills the cells, which is a trade-off for better visibility. A condenser system is used to increase the light on specimen, ensuring enough light is gathered to form a clear image.
How is biological control used for battling pests?
a hurricane tore holes in the roof of your house , allowing a good deal of moisture inside l. very quickly , mold began to grow because of it . what would be the most effective and ecologically friendly way of killing the mold and why? answer