Blindness results from damage to: (d) visual cortex in the occipital lobe.
Visual cortex is the cortical region of the brain that receives, integrates and processes signals from the retina. It therefore helps in image formation. It largely consists of myelinated axons to fasten the process of signal transmission.
Occipital lobe is present at the posterior portion of the forebrain. It is located between the parietal and the temporal lobe. It is the primary vision processing portion of the brain. It is also the smallest in size. The lobe rests upon a thick tissue called tentorium cerebelli. It is also involved in some function other than vision.
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Explore It! Question #4: Look around you. Describe how you could use an
object in the room to simulate the motion of this type of wave.
Your answer
Answer:
A longitudinal wave can be created in a slinky if the slinky is stretched out in a horizontal direction and the first coils of the slinky are vibrated horizontally. In such a case, each individual coil of the medium is set into vibrational motion in directions parallel to the direction that the energy is transported.
Explanation:
how does the text explore the relationship between humans and animals? Is black beauty harmed by his relationship with humans? Does he benefit in any way? Cite evidence from the text, your own experience, and other literature, art, or history in your answer
The text explores the relationship between humans and animals by showing the readers that the world is full of beings who should not be treated like objects.
As his name suggests, Black Beauty was renowned for his size and might. However, when bad luck strikes, he is sold to a number of other owners. Some owners are compassionate and treat him with love and respect. Black Beauty is frequently referred to as a horse's autobiography. Black, a young stallion, is the horse (Beauty).
Black Beauty, a charming pre-automobile era horse that was well-bred and of noble birth, tells the tale. After being initially owned by sympathetic masters, he is bought and sold by ever crueler owners. He eventually collapses from overwork and poor treatment, but he is ultimately sold to another sympathetic owner and bounces back.
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Why is it necessary for DNA to replicate?
A. DNA has to replicate to give more location from which proteins can be created.
B. DNA can break down randomly so more copies ensure that all pieces are present in the nucleus.
C. DNA must be copied before a cell can divide.
Answer: A. DNA has to replicate to give more location from which proteins can be created.
Explanation:
DNA replication needs to occur because existing cells divide to produce new cells. Each cell needs a full instruction manual to operate properly. So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!
Image: biologydictionary.net
The process of DNA duplication is called DNA replication. Replication follows several steps that involve multiple proteins called replication enzymes and RNA. In eukaryotic cells, such as animal cells and plant cells, DNA replication occurs in the S phase of interphase during the cell cycle.
DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
The birth of the study of human relations within business organizations can be traced to?.
The birth of study of human relations within business organizations can be traced to the Hawthorne studies from1924 to 1932.
What is human relation within business?The human relations movement was born from the Hawthorne studies which was conducted by Elton Mayo and Fritz Roethlisberger from year 1924 to 1932.
The ability to interact in a healthy manner with others and build a strong relationships is known as Human relations. It is the process of creating systems and communication channels to enable group employee relationships and also one-on-one relationships.
The human relations theory of management began developing in the early 1920s and now, it is important to every business. Understanding the involved skills and theories is key for the success of employees.
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An experiment i completed that attempt to imulale active tranport in a cell. Model of cell tructure with an internal olution concentration of 40% are placed in a olution of 20% concentration. The
reulting concentrabon alter a 24 hour time penod are hown in the table
A cell must use energy to transfer materials against a concentrations or electrochemical gradient. In order to accomplish this, active transport systems use energy.
Describe a cell.The simplest form that really can sustain life by itself and makes up most living things, including the body's tissues. The cellular membranes, the nuclei, and the cytoplasm are the three primary components of a cell. The materials that enter and leave the cells are controlled by the cell membrane, which encloses the cell.
What is the structure of cells?The cellular membranes, the nuclei, and indeed the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibers and hundreds and hundreds of tiny, unique structures known as organelles can be found in the cytoplasm.
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Which rna is a copy made from a dna strand that can be transported to a ribosome?.
Answer:
mRNA
Explanation:
also known as messager RNA
made from DNA template
takes it to rRNA
translated by the rRNA
also known as ribosomal RNA
they help translate the codons
make protein when stop codon is sent out
in the experiment where the amount of chloroplasts was varied, what do your results show about chloroplast function?
More the chloroplasts, faster the reduction. The direct relationship between rate of DPIP reduction and amount of chloroplasts indicates the dependence of water oxidation/ reduction on active chloroplasts.
Chloroplasts are plant mobile organelles that convert light energy into incredibly stable chemical energy via the photosynthetic system. By way of doing so, they preserve existence on the planet. Chloroplasts additionally provide numerous metabolic sports for plant cells, such as the synthesis of fatty acids, membrane lipids.
They are responsible to carry out photosynthesis, the method of conversion of mild power into sugar and other natural molecules that are utilized by plant life or algae as meals. Additionally they produce amino acids and lipid components which can be important for chloroplast membrane manufacturing.
Chloroplasts are plant mobile organelles that convert mild energy into exceptionally strong chemical energy through the photosynthetic method. .
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how does dna code for specific proteins within a cell
Answer:
Genetic code refers to the instructions contained in a gene that tell a cell how to make a specific protein. Each gene’s code uses the four nucleotide bases of DNA: adenine (A), cytosine (C), guanine (G) and thymine (T) — in various ways to spell out three-letter “codons” that specify which amino acid is needed at each position within a protein.
Explanation:
given what you know about glycolysis and regulation of metabolism by this enzyme, what is the mechanism by which phosphofructokinase activity differs depending on atp concentration?
ADP and ATP both inhibit and activate the allosteric enzyme .
How does the enzyme phosphofructokinase control glycolysis?The ability of to control glycolysis through allosteric inhibition enables the cell to alter the rate of glycolysis in response to its need for energy. For instance, and glycolysis will be inhibited by a high ATP to ADP ratio.
The glycolytic pathway has three main enzymatic control sites. These transitions include the hexokinase, phosphofructokinase, and pyruvate kinase enzymes.
This widespread is mostly due to the fact that catalyses a process that is out of equilibrium and that it displays an in tricate and sophisticated regulatory behaviour that indicates its capacity to integrate signals from several pathways.
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Identify the cycle described.
‼️‼️ PLEASE HELP QUICKLY!!!!‼️‼️
A scientist observes plant roots growing through the mountain side. This is evidence for which type of natural process?
•Physical weathering
• Chemical Weathering
• Erosion
what is the effect of mean arterial pressure in the presence of norepinephrine, vasopressin, or angiotensin ii?
Mean arterial pressure (MAP) is the average arterial pressure throughout one cardiac cycle, systole and diastole.
What is Norepinephrine ?Norepinephrine is secreted by adrenal gland. When amount of norepinephrine is increased MAP also increases. When amount of norepinephrine is decreased MAP also decreases.
Vasopressin is secreted by the posterior pituitary gland. It is released when arterial pressure decreases and there is reduction in cardiac volume. It increases systemic vascular resistance and MAP and reduces heart rate and mean pulmonary arterial pressure in patients.
Angiotensin II is secreted by adrenal gland. Receptor of angiotensin ii helps in increasing MAP which is very important in regulating MAP after birth
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Based on their data, which of the organisms can only produce offspring that are
genetically different to the parent organisms? (choose 2)
A: Strawberry plants
B: Dolphins
C: Copperhead snakes
D: Liverworts
E: Moonflowers
F: Streptococcus bacteria
Answer:
B. Dolphins
E. Moonflowers
Explanation:
Asexual production replicates via mitosis and produces offspring with the same genetic material as the parent.
Meiosis is how sexual reproducing organisms pass on their information. Meiosis requires the combination of two parent cells that merge their genetic information to produce a unique offspring containing DNA from both parents.
What device can be used to make measurements globally? a. rain gauge b. buoy c. satellite d. thermometer please select the best answer from the choices provided a b c d
The correct answer for the multiple choice question above is D. Or thermometer.
What is type of thermometer ?Thermometer is a device which used for measuring temperature in almost all countries. Because it have an agreed standards in international standards.Thermometer itself is a tool used to determine the amount of temperature. Thermometers themselves have various types according to their function.Some types of thermometers that we often encounter in everyday life are thermometers measuring body heat or also called clinical thermometers, laboratory thermometers which are used to measure temperatures related to research conducted in the laboratory, and the last is a bimetallic thermometers, which is a thermometer used to determine the difference in volume or expansion between two types of metal.Learn more about types of thermometers here: brainly.com/question/22047357
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untreated pernicious anemia is fatal, usually because of: a. liver hypoxia. b. renal failure. c. heart failure. d. brain hypoxia
Untreated pernicious anemia is fatal because of : c)heart failure. Hence, option c) is correct.
What is pernicious anemia?Pernicious anemia is one of the causes of vitamin B12 deficiency. This is an autoimmune condition that prevents body from absorbing vitamin B12. When it is left untreated, pernicious anemia can lead to serious medical issues including irreversible damage to your nervous system
Before medical researchers found a cure, pernicious anemia was a a fatal disease that caused overwhelming fatigue and breathlessness with the slightest movement.
And the body does not produce enough red blood cells to carry oxygen because the digestive system does not absorb vitamin B-12 properly from food.
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before endosymbiosis could occur, what must have been present? a. an atmosphere with high levels of oxygen b. aggregated continental crust via plate tectonics c. oceans with salinities close to the modern level d. multiple species of prokaryotic organisms e. an ozone layer, to protect genetic material from the effects of ultraviolet radiation
Answer:
D. Multiple species of prokaryotic organisms.
Explanation:
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it is a common fallacy that reproduction most commonly results in the birth of new organisms. in fact, reproduction more commonly involves . select one: a. the production of new cells b. parthenogenesis c. asexually produced offspring d. cytokinesis
Reproduction more commonly involves formation of new cells either by asexual or sexual method.
Reproduction is the process of formation of new offspring from parent either sexually or asexually. It involves formation of new cells from pre existing cells when they divide.It results in the formation of zygote. Zygote is single celled and divides to form an adult organism.
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HELPPP!!! Question 6 of 10 Which two statements describe examples of inferences used to draw scientific conclusions?
A. A cheetah has a speed of 33 m per second over short distances because the cheetah sprinted 330 m in 10 seconds.
B. T. rex must have been a carnivore because fossilized remains show teeth well-suited to biting and crushing bones.
C. It will rain this afternoon because the satellite images show increased cloud cover moving in this direction.
D. The population of black bears in a 100 km² area has increased from 14 to 18 in the past year.
Answer:
Determine which equation is false, based on the solution set S:{4}.
3t = 12
3m + 7 = 14
4(4c + 1) = 68
9 = 5p − 11
Explanation:
Answer:B and C
Explanation: inference is a guess based on reasoning, not numbers, using educated guesses is an inference. Finding out things with numbers isnt. So B and C are the answers
The function of hemoglobin is to carry ________ from the lungs throughout the body.
Answer: Oxegyn or blood
Explanation: It is either one of these choices.
what will happen to the cl- equilibrium potential, if one changes the extracellular chloride concentration from 560 mm to 100 mm? give the direction of cl- flow.
The chlorine (cl-) will flow from higher concentration to lower concentration, that is from 560 mm towards the 100 mm direction.
Concentration gradient is more important in cellular metabolism. They maintain the solute solvent interaction properly.
To maintain a stable concentration, the cell attains an equilibrium of solute solvent. That is they flow from higher concentration to lower concentration to maintain an equilibrium.
Chloride ions (Cl−) are pivotal in neuronal signaling; they permeate through anion channels thereby regulating membrane potential and excitability in neurons. A large proportion of Cl− permeable channels are gated by the neurotransmitters GABA and glycine.
Neurotransmitters are signaling molecules that flow from one cell receptor to another to transfer signals to other cells and tissues of the body. Therefore, to maintain equilibrium, the cl- ion will flow from higher concentration to lower concentration.
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How is the reproductive system useful
Using the information from problem 4, scientists do a further testcross using a heterozygote for height and nose morphol- ogy. The offspring are tall-upturned snout, 40; dwarf-upturned snout, 9; dwarf-downturned snout, 42; tall-downturned snout, 9. Calculate the recombination frequency from these data, and then use your answer from problem 4 to determine the correct order of the three linked genes
The correct answer is :
T-A exp. = 12 map units A-S exp. = 5 map units T-S exp. = 18 map unitsAn layout that is consistent with the data is: T then A then S
Tallness and Snout:
40 tall-upturned snout = 40% expected
42 dwarf-downturned snout = 42% expected
9 dwarf-upturned snout = 9% recombinant
9 tall-downturned snout = 9% recombinant
Total = 100%
Consequently, the rate of recombination between genes T and S is 18%.
By utilizing the % frequencies as distances, one may calculate the relative frequency between genes.
From tests 1-3, the recombinant relationships are as follows:
1 T-A exp. = 12 map units 2 A-S exp. = 5 map units 3 T-S exp. = 18 map units
An layout that is consistent with the data is: T then A then S
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the genetics of eye color is not yet fully understood. there are multiple pigments and interaction between alleles at play, but we will look at a simplified example. in europeans, b is dominant and results in brown eyes, while b is recessive and results in blue eyes. in individuals with the bb genotype, 85 percent have brown eyes, 14 percent have green eyes, and 1 percent have blue eyes. what is the penetrance of the b pigment allele?
Green is a dominant color to blue eyes, and recessive to brown eyes
Chromosome 15 and Chromosome 19 both include eye color genes.
Human eye color is determined by three genes: EYCL1 (gey) for green/blue eyes, situated on chromosome 19, EYCL2 (bey1) for brown eyes, and EYCL3 (bey2) for brown/blue eyes, also found on chromosome 15.
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in an isotonic solution, the amount of solutes inside the cell is _____ to the amount of solutes inside the cell
Answer:
isotonic
Explanation:
Choose one environmental law and describe its major components. Speculate on how life would be in the present day if this legislation did not exist.
The term “environment” refers to the relationship that occurs between people, other living things, plants, microorganisms, and property, as well as the water, air, and land that make up that relationship.
What are the major components of environmental lawThe term “environment” refers to everything that surrounds a person, including both natural and cultural elements.
The goal of the law is to control, restrict, or outright forbid the use of chemical substances and mixtures that pose an excessive risk to human health from being imported, manufactured, processed, sold, distributed, used, and disposed of.
Therefore, Two key elements of environmental protection are the theoretical framework and the practical application procedure.
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Evaporation of 1 quart of perspiration releases about ______ kilocalories of heat energy from the body.
Answer:
Evaporation of 1 quart of perspiration releases about 600 kilocalories of heat energy from the body.
Explanation:
due to a lack of glucose, a cell has been performing lipid metabolism for several hours. suddenly, all the lipid in the environment is eliminated and is replaced with glucose. what is the fastest way that the cell can adjust to this change?
Inactivating the proteins associated with lipid metabolism is the fastest way that the cell can adjust to this change.
What is lipid metabolism?
Lipid metabolism describes the synthesis and decomposition of lipids within cells. It involves the production of structural and functional lipids, such as those required for the development of cell membranes, as well as the storage or breakdown of fats for energy. These fats may be naturally consumed by animals from diet or may be produced by the liver.
Lipid metabolism is crucial for controlling the ageing process.
Age-related disorders and ageing are modulated by lipid -related therapies in a variety of model species, according to experimental evidence that lipid metabolism is altered during ageing.
Therefore, Inactivating the proteins associated with lipid metabolism is the fastest way that the cell can adjust to this change.
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suppose that in one cell in your skin, chromosome 14 and chromosome 18 exchange genetic materials. this change is inherited by subsequent cells. this is an example of a mutation that is also a(n)
This is an example of a somatic mutation that is also translocation.
A DNA change that happens after fertilization. Somatic mutations can develop in every cell of the body except reproductive cells (sperm and egg) and are thus not passed on to children. Somatic mutation, a genetic change established by a cells that can also be passed on to the mutant cell's descendants during cell division.
Environmental variables, like as exposure to UV light or certain chemicals, are commonly responsible for somatic mutations. Somatic mutations can occur in whatsoever cell division, from the initial cleavage of a fertilized egg through cell divisions which replace cells in an elderly person.
All cells generated from the mutant cell are affected by the mutation. A substantial component of a creature, such as a tree branch or an animal's whole tissue layer, may possess the mutation; it could or could not be visible. Somatic mutations can cause a variety of disorders, including cancer.
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two pure breeding lines of pea, one tall and hairy, the other short and smooth, are crossed. the f1 hybrid is tall and hairy. the f2s assort in four phenotypic classes in a 9:3:3:1 ratio. crossing a tall, smooth f2 plant to a short, smooth f2 plant will produce how many phenotypic classes?
The genotypes A B_, A bb, aaB_, and aabb are matched to the four phenotypic groups.
How do phenotypic classifications work?The genotypes A B_, A bb, aaB_, and aabb are matched to the four phenotypic groups. If any of the single homozygous recessive genotypes (i.e., A bb or aaB_) exhibits the same phenotype as the double homozygous recessive (aabb), then a 9:3:4 phenotypic ratio will result.
What does phenotypic classification entail?phenotype, all of an organism's observable traits that emerge from the interaction of its genotype (total genetic inheritance) and environment. Observable features include things like behavior, biological characteristics, colour, shape, and size.
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Which of the following can cause a loss in species, a reduction in populations, species extinctions,
and species migrations?
O Abiotic and biotic factors
O Biodiversity
O Ecosystem disruption
O No answer text provided.
Species extinctions, population declines, species movements, and species losses can all be attributed to biodiversity.
The correct answer is B
How essential is biodiversity, and why?All life on planet Earth, including humans, depends on processes made possible by biodiversity. We cannot have the robust ecosystems that we depend on to give us the air we and the food that consume without a diverse variety of animals, plants, and microorganisms. The natural world itself is also valued by people.
How is biodiversity valued?Environment-related issues are where biodiversity has the most impact. The Earth's natural processes are supported by healthy ecosystems. Even without species that support them, operations like soil re-cycling, water purification, pest management, and others couldn't be carried out. These processes could be severely damaged if they are interrupted.
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