There are three semicircular canals filled with fluid in the inner ear at right angles to each other. Each senses the movement of your head along a different axis. Using all three, the brain is able to orient your body in 3D space. Tiny hairs lining the canals (hair cells) sense motion by sloshing of the water in the canals. Information from the hair cells are relayed to the brain as an interpretation of movement of the head.
During spinning in a circle, the fluid in the canals initially slosh in the direction opposite to your head's motion. However, the jelly-like material in which the hair cells are imbedded, the endolymph, adjusts to the movement of your head,causing the hair cells to straighten, and your brain no longer receives the message that you're spinning. In effect, your brain thinks that you are standing still while the the world is rotating around you.
When you suddenly stop spinning, because of inertia, the endolymph keeps spinning. The fluid in your ear moves again in the direction in which you were spinning before, and a signal of movement is transmitted to the brain. You sense that you are moving, but you're not.
Compare energy diagrams a and
d. assuming all other factors (such as concentrations and temperature) are identical for the two processes, identify which process will occur more rapidly.
what do you mean by white matter?
______________________ is a specific portion of an antigen to which an antibody binds. for t cells, this is the peptide portion that is complexed with mhc molecules on apcs for recognition by the tcr. cytokine antigen hapten epitope
.
The most superiorly located bony landmark of the scapula is the _______.
Hydrogen fuel still results in pollution because _____. hydrogen is converted into carbon dioxide electricity is required to produce the hydrogen fuel used hydrogen creates ozone it contaminates water sources
An example of a chemical change is
A) burning wood.
B) breaking a glass.
C) folding paper into a frog.
D) molding clay into a snake.
This question refers to the abo blood type locus. remember that the a and b alleles are codominant to each other and both are dominant to the o allele. a man has blood type
a. mark all genotypes below that are possible for this man.
What is the most likely cause of this person's color blindness? what does 20/300 vision indicate, and how is that corrected by lasik surgery?
Final answer:
Color blindness is caused by genetic factors affecting the cones in the retina and includes three types related to different cones. Vision of 20/300 is severely impaired, and LASIK surgery can correct this by reshaping the cornea. Presbyopia affects reading vision due to lens flexibility issues and may remain after LASIK surgery.
Explanation:
Color blindness is typically caused by genetic factors that affect the cones in the retina of the eye. The three types of color blindness are: protanopia (red), deuteranopia (green), and tritanopia (blue). Each type corresponds to the deficiency or absence of different cone types in the retina. In context of genetics, the Law of Dominance explains how a dominant allele can mask the presence of a recessive allele, which may relate to inheritance patterns in color blindness.
Regarding visual acuity, a measure of 20/300 indicates that what a person with normal vision can see at 300 feet, someone with a 20/300 vision sees at 20 feet, reflecting severe visual impairment. LASIK surgery corrects this by reshaping the cornea to correct the focus of light onto the retina.
For individuals with presbyopia, LASIK can correct distant vision but will not solve the issue of close-up focus required for reading because presbyopia is related to the eye's lens flexibility, which diminishes with age. The patient may still need reading glasses after LASIK. The procedure of LASIK involves a fixed percent uncertainty in the reshaping of the cornea, and those requiring greater correction have a higher risk of not achieving normal distant vision due to the greater variability in the surgical outcome.
True or false: scientists believe that over grazing and inappropriate farming techniques can make the air above the ground drier and warmer â and therefore less likely to generate rain clouds, thus influencing drought in a region.
Answer: The statement is true.
Overgrazing happens when the animals or livestock feed on pasture when there is no vegetation present. Overgrazing has devastating impact on the environment as drought can strike any time and lack of precipitation means that farming in that area will also be impacted. The amount of rain received is not under the control of farmers and when the drought conditions extend the replenishment of pasture will not happen. Lack of precipitation will cause the plants to die and eventually the livestock feeds on the available plants to survive.
Plants, trees or crops help in increasing the amount of rainfall by the process of transpiration which is a process in which plants loose water as vapours during the photosynthesis. This water released by the plants increases the moisture content of air making the air saturated and brings about rainfall.
Emanuel jones, 60 years of age, is male patient diagnosed with small cell carcinoma. he underwent surgery in the past to remove the left lower lobe of his lung. he is receiving chemotherapy. two weeks before a round of chemotherapy, a complete blood count with differential, and a renal and metabolic profile are obtained for the patient. the patient presents to the oncology clinic for chemotherapy with a temperature of 101°f. further assessment reveals decreased breath sounds in the
The snowshoe rabbit has unusually large hind feet. This adaptation helps the snowshoe rabbit
Answer:
to stay on top of the snow
Explanation:
Imagine a day of fresh snow, soft as foam. Yes, the first snow is beautiful and everything around it is white. With the drier air and greater reflection of light, the day seems to invite you for a walk outdoors. However, we know that it is difficult to walk in the snow and even stand on it, sometimes it is a difficult task, as it can be very slippery.
Standing and moving in the snow is not an easy task for us, nor for the animals, so some of them have adaptations that facilitate this movement, as is the case of the snowshoe rabbit, whose feet in sizes larger than those of a normal rabbit, has the ability to help the rabbit stay on top of the snow.
What does DNA contain
Answer:
the coded blueprint for life
Explanation:
DNA contains the genetic information of an organism, which is expressed in the form of protein to represent the organism's phenotype.
What is DNA?DNA stands for deoxyribonucleic acid, it is the genetic information present inside the cell. In the structure of DNA, it contains nitrogenous bases, phosphate groups, and ribose sugar which is in the form of the deoxy condition.
Nitrogenous bases are purines adenine (A), guanine (G), and pyrimidines thymine (T) and cytosine (C). In RNA, uracil is found in the place of thymine.
It plays a crucial role in the transmission of information from one generation to the other. DNA is considered an element for inheritance.
Therefore, DNA contains genetic information about the entire organism and can be heritable.
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Of the following elements, which one would have the largest radius?
Question options:
Nitrogen (N, atomic #7)
Lithium (Li, atomic #3)
Neon (Ne, atomic #10)
Boron (B, atomic #5)
Of the following chemical elements, the one which would have the largest radius is: C. Neon (Ne, atomic #10).
Atomic radii can be defined as a measure of the size (distance) of the atom of a chemical element, typically starting from the nucleus to the valence electrons.
Generally, the atomic radius of a chemical element decreases across the periodic table, from alkali metals (lithium) to noble gases such as Neon (Ne, with an atomic number of 10).
On a related note, the atomic radius of a chemical element increases down each group of the periodic table, typically from top to bottom (column).
In conclusion, noble gases such as Neon (Ne, with an atomic number of 10) would have the largest radius among the given chemical elements.
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A diaphragm functions as a birth control device by ______________. preventing ovulation preventing the movement of sperm into the vagina preventing implantation of an embryo stimulating the production of sperm-killing antibodies preventing the movement of sperm into the uterus
A scientist is testing the effectiveness of Drug X on cancer. She gives a small amount of the drug to mice that have cancer. She gives each mouse a different amount from 1 to 10 grams, and then measures the size of the tumor in each mouse before the drugs and two weeks after the drugs. She gives one of the mice sugar instead of Drug X. What is her control in this experiment?
Answer:
The control of this experiment is the rat that received sugar in place of the drug.
Explanation:
In a scientific experiment, control is characterized by the individual (or object) who has not received what is being tested in the experiment. In the case of the above question, the experiment wants to test the effectiveness of a drug in fighting cancer. All rats received different doses of this medicine, except for one mouse that received sugar in place of the medicine. This mouse is the control of the experiment and will serve to compare how cancer is reduced in individuals who received the drug compared to those with cancer who did not receive the drug.
Solve it: which insulin mutations may result in disease? mastering biology
Insulin mutations can result in diseases like type 1 diabetes, where there is a lack of insulin production. Injecting synthetic insulin can treat this condition.
Explanation:Insulin is a hormone that helps cells take up glucose from the blood. Mutations in the gene that codes for insulin can lead to diseases like type 1 diabetes. In type 1 diabetes, there is a mutation in the insulin gene that prevents the production of insulin, resulting in high blood glucose levels. This can be treated by injecting synthetic insulin into the body from outside sources.
The reason for a "blind spot" in the visual field is that ______ select one:
a. the lens cannot focus all of the visual field onto the retina.
b. there are no photoreceptors in the retina where the axons exit the eye.
c. blood vessels collect together and enter the eye at the blind spot.
d. retinal cells die with age and overuse, resulting in blind spots.
e. rods are less sensitive to light than are cones.
Answer:
its b
Explanation:
This diagram shows that embryos of certain species develop almost identically in the earliest stages of embryonic development. These physical similarities indicate that there are also genetic similarities among these organisms. The physical and genetic embryological similarities among these organisms suggest that they A. descended from a common ancestor. B. have multiple vestigial organs in common. C. are members of the same genus. D. hunt and breed in similar habitats.
How do frogs utilize extensor and flexor muscles in order to swim, jump, and do other frog things efficiently; include specific names of these muscles located in the upper and lower limbs of the frog?
Answer:
The muscles in the stomach of the frog bend the spine forward, opposing the muscles in the back which bend the spine backwards. The upper muscles in the chest help to push the upper limbs out using triceps brachii as extensors to jump, while the upper back muscles help to draw the upper limbs back in as well as biceps brachii. The pectoralis major are responsible for moving the arms at the shoulders. The rectus abdominus bends the spine downward and also adds an extra layer of protection for the frogs internal organs. There are muscles on top of the theigh such as the satorious, which extend the lower legs to kick out when jumping or swimming. The tribalis anterior longus is a flexor of the foot, meaning it pulls the foot up, one uses this muscle when they lift their foot to take a step. The gastrocenemius is an extensor for the foot, bending it down, used whenever a frog jumps.
the way plant shoots grow toward the light
How does evaporation help moderate temperature? a. water absorbs little energy with a great change in temperature. b. water absorbs little energy without great change in temperature. c. water absorbs a great deal of energy with no change in temp. d, Water absorbs a great deal of energy with a great change in temperature
The right answer is c.
Our body is made up of about thirty thousand billion cells. Each of these cells contains hundreds of mitochondria that use the nutrients to produce the energy needed to perform all of our bodily functions. Some of this energy is dissipated as heat.
* If this energy is not enough because the outside temperature is very low, we shiver, because our muscles start to tremble. This friction of the muscles generates heat. In addition, brown adipose tissue can elevate TC by using as heat most of the energy produced by mitochondria. If the outside temperature is winter, the blood vessels in the skin contract to reduce heat loss on the body surface.
* If the TC is too high, we can dissipate heat through perspiration (evaporation of water on the surface of the body has a cooling effect) and by the exhalation of hot air.
The wobble hypothesis predicts that codons coding for the same amino acid _____.
________ slides indicate which material has been covered and which section you are about to begin.
Primary consumers depend on energy from plants for survival. Higher consumers depend on energy from primary consumers for survival. Which of the following is also true about plants and consumers?
Final answer:
The true statement about plants and consumers is that primary producers convert light energy through photosynthesis and consumers gain energy by feeding on them or on other consumers.
Explanation:
Primary consumers depend on energy from plants for survival, while higher consumers depend on energy from primary consumers. The statement that is also true about plants and consumers is that primary producers convert light energy by photosynthesis and consumers gain energy by feeding on them or other consumers which have consumed these producers.
Within ecosystems, the base of the food chain is typically occupied by photosynthetic organisms, referred to as producers. These producers, like plants or phytoplankton, harness solar energy and convert it into chemical energy through photosynthesis. Primary consumers, such as herbivores, directly consume these producers and gain their energy from them. Subsequent consumers, including secondary and tertiary consumers, obtain their energy by consuming organisms from the previous trophic levels.
It's important to clarify that primary producers do not convert light energy through chemosynthesis, but rather, through photosynthesis. While chemosynthesis is another form of biological energy conversion, it is not relevant to the typical processes that plants use to acquire energy.
If 70 percent of the hypothetical population passed along allele b, the dominant allele for brown eyes, and 30 percent passed along allele b, the recessive allele for blue eyes, the proportion of the subsequent generation with brown eyes would be ___________, given the hardy-weinberg equilibrium.
What are animals everywhere doing in solidarity with the animals of animal farm?
Answer:
They're helping Cinderella put on her clothes
The diagram below shows the branching tree diagram for cats.
Which characteristic is shared by the greatest number of organisms?
Answer:
The correct answer would be four limbs.
Explanation:
The cladogram or branching tree displaying different characters shared by the different animals. This cladogram shares the character four limbs by all of the organisms in this from amphibians to up to cats.
Amphibians, reptiles, marsupials, dogs, and cats all have four limbs and this character is evolved at the beginning.
Thus, the correct answer would be four limbs.
Answer:
Four limbsssssssssssss
Explanation:
EeeeEE hope it helps
Neurons and muscle cells perform different functions. In the body, these cells have the same . The function of muscle cells is , while the function of neurons is to send nerve signals. NextReset
Neurons and muscle cells perform different functions. In the body, these cells have the same basic parts. The function of muscle cells is contraction, while the function of neurons is to send nerve signals.
Neurons are the basic units of the nervous system and are responsible for sending electrical signals throughout the body. These signals may originate from various stimuli and are essential for different bodily functions such as movement, sensation, and thought processes. The structure of a neuron typically includes dendrites, which receive information, and an axon, through which the neuron sends its signals to other cells.
On the other hand, muscle cells are specialized for contraction and are essential for movement and bodily support. When a neuron sends an impulse to a muscle cell, it triggers the muscle to contract. This interaction is crucial for voluntary and involuntary movements within the body.
The correct question is:
Fill in the blanks:
Neurons and muscle cells perform different functions. In the body, these cells have the same ____. The function of muscle cells is _____, while the function of neurons is to send nerve signals.
Loggerhead sea turtles love to snack on jellyfish. Unfortunately, plastic bags and the plastic rings off a six pack of drinks look very similar to a jellyfish if you are a loggerhead. These plastic pollutants can harm sea turtles and even kill them. Mariposa and her class read a book today and learned about the dangers of littering and pollution near the seashore and she and her class want to help make a change. They decide to make a change by teaming together to stop pollution like litter from entering our oceans. What change would be beneficial to the loggerheads living nearby Mariposa and her friends? A) Helping to mark off a designated path for vehicles to use on the beach during daylight hours B) Building picnic benches with tables and arranging them in popular beach places to help beautify new spots C) Visiting other beaches near their town and learning more about how to preserve the grass growing on the dunes D) A community wide effort to clean up litter and setting up stations for people to bring their recyclable goods.
Answer:
D)
Explanation:
What species of bacteria or archaea might you find associated with these green beans?