Answer:
Optic nerve transmit information from the both eyes visual field of the right cerebral hemisphere to the left cerebral hemisphere.
Explanation:
Optic nerve transmit information from the both eyes visual field of the right cerebral hemisphere to the left cerebral hemisphere. The optical nerve is the nerve that transmits visual information from retina to the brain.
Optical nerves is made up of retinal ganglion cell axons glial cells.The image in the eyes is transmitted to the brain along the optic nerve. About 90% of the axons in the optic nerve go to the lateral ganiculate nucleus in the thallamus.
The optic nerves begins from the optic disk which forms from the convergence of ganglion cell fibres(called axons) as they pass out of the eye.
A population of hummingbirds is composed of individuals with short or long beaks, which they use to reach nectar inside flowers. A flowering trumpet vine that produces many deep, bell-shaped flowers is introduced to the region, resulting in fewer short-beaked and more long-beaked hummingbirds. Which of the following conditions most likely caused this shift in the hummingbird population?
Hummingbird predators avoided areas where the trumpet vine grew.
Hummingbirds that compete for nectar were more successful with long beaks.
Hummingbirds with short beaks overproduced offspring with longer beaks.
Hummingbirds starved because the trumpet vine limited the food supply.
Answer: Hummingbirds that compete for nectar were more successful with long beaks.
Explanation:
Adaptation is a change that helps an organism to survive in it's environment. These changes may occur in the genetic make up, physiology, morphology and behavior.
The hummingbirds compete for nectar are of two morphological types such as short and long beaks. Both of these hummingbirds compete for the same resources. Therefore, the hummingbirds with long beaks will be able to obtain nectar from bell shaped flowers. Hence, these will be able to produce more number of offsprings and the adaptation of long beak will become prominent in subsequent generations.
How would a muscle injury surrounding a broken vessel effect hemostasis?
the main function of vitamin e in the body is to act as a(n) ____.'
Vitamin E serves as a potent antioxidant in the body, protecting cells from oxidative damage by scavenging free radicals. It helps maintain cellular integrity and has a role in regulating enzyme activities and neurological functions. It's found in vegetable oils, nuts, and spinach.
The main function of vitamin E in the body is to act as a biological antioxidant. Vitamin E, which is a group of compounds including tocopherols and tocotrienols, performs its antioxidant role by scavenging harmful by-products of metabolism, such as free radicals. These highly reactive molecular fragments can cause oxidative damage within the body, and vitamin E protects cells by preventing the oxidation of lipids, which is crucial for maintaining the integrity of cell membranes.
As a chain-breaking antioxidant, vitamin E interacts with free radicals to form a tocopheryl radical, which is then reduced back to its original state by another antioxidant such as vitamin C. This process not only protects the body's cells and tissues from oxidative stress but also prevents the oxidation of fats in foods, keeping them from becoming rancid. The activity of vitamin E extends to inhibiting certain enzyme activities and playing a role in neurological functions.
Sources of vitamin E include vegetable oils, nuts, and spinach. A deficiency of this vitamin can lead to issues like anemia and retinal damage, while excessive intake beyond recommended amounts may lead to toxicity.
The bony roof of the mouth is formed by the ________ bone(s).
If you encounter an animal on the roadway, it's best to
A client with impaired peripheral pulses and signs of chronic hypoxia in a lower extremity has a femoral angiogram. what is the priority nursing action after the angiogram?
Which type of cells in a plant normally have the most chloroplasts?
The natural or human-induced reduction in the potential ability of the land to support crops or livestock is
A survey on the Pacific coastline of California shows that kelp is currently being harvested faster than it can grow back. How would this resource be classified?
This question is not complete
Complete question:
A survey on the Pacific coastline of California shows that kelp is currently being harvested faster than it can grow back. How would this resource be classified?
a. renewable
b. nonrenewable
c. potentially renewable
d. primarily nonrenewable
Answer:
c. potentially renewable
Explanation:
A renewable resource can be defined as the resource that is always available and easily replaceable in nature no matter how much we use or utilise it.
Examples of renewable resource is
a. heat from the sun which can be used for solar energy
b. Oxygen
c. Water
d. Aquatic organisms
e. Trees such as Bamboo
Dna consists of coding sections (known as ________) and non-coding sections (known as _________). exons / protons introns / protons exons / introns introns / exons
DNA consists of coding sections (known as exons) and non-coding sections ( known as Introns ).
What is exons ?The coding section of DNA or RNA that code for proteins The exons are involved in formation of mature mRNA ( messenger RNA ) by covalent bond to one another.What is introns?The non-coding sections of section of a tRNA ( RNA transcript) or DNA The introns are not expressed in final messenger RNA (mRNA) product.learn about DNA,
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the main method of heat transfer occurring within the water is called
____ are slender threads inside of a cell’s nucleus that carry genes. chromosomes ribosomes golgisomes dna strands
The word carbohydrate is derived from carbon and water (hydrate). explain why this combination correctly describes this chemical group.
I dentify four threats to the biodiversity in your own environment and briefly explain each threat
The process of viewing the entire length of the small intestine using an ingestible video camera with a light source, which is enclosed in a capsule about the size of a large vitamin pill, is known as a capsule
Cells such as neurons, which rarely if ever divide, can be explained as
The site of communication between two neurons is called the
A circular opening cut into the skull to reveal brain tissue and decrease intracranial pressure is called a
The process of meiosis is responsible for creating much of the genetic variation seen in sexually reproducing organisms. which events in the process of meiosis generate this genetic variability?
Meiosis generates genetic variability through crossover and random alignment, which happen during the first meiotic division. Here, chromosomes exchange parts and randomly assort themselves, leading to unique genetic combinations in the gametes. The fusion of any sperm with any egg during sexual reproduction further enhances this genetic diversity.
Explanation:The process of meiosis is a crucial driver for genetic variability in sexually reproducing organisms. Genetic diversity is primarily introduced during two events in meiosis - during crossover in Prophase I and random alignment at Metaphase I. In crossover, the non-sister chromatids of homologous pairs of chromosomes exchange genes, leading to hybrid chromosomes containing both maternal and paternal genes. Random alignment, on the other hand, relates to the random orientation of tetrads (a set of four chromatids) on the metaphase plate, which introduces the chance for variance in the grouping of paternal and maternal chromosomes that are passed onto gametes.
In addition, genetic variation is also enhanced by random fertilization, whereby any sperm can fuse with any egg, leading to a mix of genetic traits. The resultant haploid (half the usual number of chromosomes) reproductive cells (or gametes) produced by meiosis are therefore genetically unique.
Sexual reproduction, through the process of meiosis, thus significantly contributes to the continuous evolution and diversity found within species. This is a primary reason why almost all multicellular organisms on Earth uptake sexual reproduction as a part of their life cycles.
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The largest component of the neuron, which coordinates the information-processing tasks and keeps the cell alive, is the: axon. cell body. synapse. nucleus.
To treat certain brain tumors, doctors can use small beams of _____ that are focused to kill only the tumor cells.
Need help asap The relationship between bacteria and legumes that results in nitrogen is best described as _______.
a.
parasitic
b.
mutualistic
c.
commensalistic
d.
none of the above
The relationship between bacteria and legumes that results in nitrogen is best described as mutualistic.
What do you mean by mutualistic relationship?Mutualism describes the ecological interaction between two or more species where each species has a net benefit. Mutualism is a common type of ecological interaction.
A mutualistic relationship is when two organisms of different species "work together," each benefiting from the relationship.
Mutualism is a type of symbiotic relationship where all species involved benefit from their interactions. While mutualism is highly complex, it can be roughly broken down into two types of relationship.
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During rem sleep, your skeletal muscles are relaxed because messages from the motor cortex are blocked by the
Answer:
Brainstem
Explanation:
During REM sleep , the electrical activity of our muscles get reduced or paralysed which is primarly due to blocking of messages by the brainstem.
Trigeminal motor neurons found in the brain cell helps in moving the muscles but during REM sleep, the two neurotransmitter receptors namely GABAA and glycine are paralysed by the brain stem and hence no muscle activity could be observed during the REM sleep
The body region typically referred to as the elbow is anatomically called
The anatomical term for the elbow is the elbow joint, which comprises the articulation between the trochlea of the humerus and the trochlear notch of the ulna, as well as the capitulum of the humerus and the head of the radius.
Explanation:The body region commonly known as the elbow is anatomically referred to as the elbow joint. This joint is formed by the articulation between the trochlea of the humerus and the trochlear notch of the ulna, along with the joint between the capitulum of the humerus and the head of the radius. The forearm, located between the elbow and wrist joints, contains the ulna medially and the radius laterally. The elbow's complex structure allows for flexion and extension movements essential for upper limb function.
Explain how hunter-gatherers affected the environment in which they lived.
A(n) ___________ is a cut in which a portion of the skin or other soft tissue is partly or completely torn away, exposing fat or muscl
A laceration is a tear or cut in the skin that may expose underlying tissues such as fat or muscle, with a risk of infection. Cleaning and proper care are necessary to promote healing, often involving the excision of damaged tissue and possibly suturing.
A laceration is a cut in which a portion of the skin or other soft tissue is partly or completely torn away, exposing fat or muscle. This type of injury can penetrate through various layers of skin, including the hypodermis, which is the subcutaneous layer of skin composed mainly of loose connective and fatty tissues. Lacerations are different from an incision, which is a precise cut made in the body to perform surgery. When the skin is broken, there is a high risk of infection because bacteria can enter through the wound and potentially spread to other parts of the body.
Care for a laceration typically involves cleaning the wound to prevent infection, which might include the excision of damaged tissues and cell debris from the wound or burn to promote healing. In some cases, the wound might require suturing to close the wound edges, and procedures such as dermabrasion, surgery, or ablation may be involved, depending on the severity and nature of the injury.
Before administering an intermittent tube feeding through a nasogastric tube, the nurse checks for gastric residual volume. which is the best rationale for checking gastric residual volume before administering the tube feeding?
To help sort out those bacteria that have the vgp gene, scientists first attempt to grow the bacteria both in a medium with ampicillin and in a medium without ampicillin. demonstrate your understanding of this step by sorting the four bacterial classes based on where they will grow.
What structures connect the individual heart muscle cells?
Intercalated discs connect individual heart muscle cells. They include gap junctions for rapid electrical conduction and desmosomes for physical stability.
Explanation:The structures that connect the individual heart muscle cells are called intercalated discs. Intercalated discs are microscopic junctions that are unique to cardiac muscle tissue. They form end-to-end connections between the individual cardiomyocytes, enabling the heart to contract as a unified whole rather than as a collection of individual cells. These discs contain gap junctions and desmosomes. Gap junctions create pathways for the rapid spread of electrical impulses across the heart, thus facilitating the synchronized contraction of the heart. On the other hand, desmosomes help anchor cells together, thereby allowing the heart to withstand the physical stress of constant pumping.
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A nurse assesses a postoperative patient two days after chest surgery. what findings indicate that the patient requires better pain management (select all that