Sensory receptors are primarily classified as chemoreceptors, thermoreceptors, mechanoreceptors, or photoreceptors on the basis of by structure, stimulus detected, and body location. drag the appropriate labels to their respective targets.
What is sensory receptor ?photoreceptor which is A specialized neuron able to detect and react to light.
mechanoreceptor receptor that provides an organism with information about mechanical changes in its environment such as movement, tension, and pressure.
baroreceptor where A nerve ending that is sensitive to changes in blood pressure.
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Which substance is an organic molecule made during photosynthesis.
The substance that is an organic molecule made during photosynthesis is glucose.
During photosynthesis, plants and some other organisms convert sunlight, carbon dioxide, and water into glucose, which is an organic molecule. Here's a step-by-step breakdown of the process:
1. Sunlight is absorbed by pigments, such as chlorophyll, present in the chloroplasts of plant cells.
2. The absorbed sunlight energy is used to initiate a series of chemical reactions in the chloroplasts.
3. Carbon dioxide is obtained from the atmosphere and enters the plant through tiny openings called stomata, primarily located on the undersides of leaves.
4. Inside the chloroplasts, carbon dioxide undergoes a series of reactions collectively known as the Calvin cycle or the dark reactions.
5. During the Calvin cycle, energy from sunlight is used to convert carbon dioxide molecules into a three-carbon sugar molecule called glyceraldehyde-3-phosphate (G3P).
6. Some of the G3P molecules are then converted into glucose, a six-carbon sugar molecule, through additional enzymatic reactions.
7. Glucose serves as the primary energy source for plants, which they use for various metabolic processes and growth.
8. Excess glucose can also be converted into other organic molecules, such as starch or cellulose, for storage or structural purposes.
In summary, glucose is the organic molecule made during photosynthesis, and it plays a crucial role in providing energy and building blocks for plant growth and development.
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Describe the location of the positive charge of the atom in J. J. Thomson's plum pudding model.
|) the answer is B- evenly distributed throughout the entire atom.
Answer:
J. J. ... In Thomson's model, the atom is composed of electrons surrounded by a soup of positive charge to balance the electrons' negative charges, like negatively charged “plums” surrounded by positively charged “pudding”.
Explanation:
Explain what is meant by competitive exclusion principle
Ecology: Ecosystem
The competitive exclusion principle is related to the niche concept.
A niche is the particular set of environmental conditions that an organism requires to live, including conditions such as temperature and humidity, but also resources such as food and territory. The niche is also modified by the interaction with other organisms in the same space.
Here is where the competitive exclusion principle comes into play. This principle means that a niche can only be occupied by one species, and if two species occupy the same niche, that would be just for a short period of time, where they will compete for the resources until one of them is displaced. This displacement can mean that they use the resources at different times of the day or that, for example, one species feeds at the base of the tree and the other at the top of the tree.
What is the control in an experiment?
A: The response to the change. It is measured.
B: What the change is being compared to (baseline)
C: The one change being tested.
D: Conditions that are kept the same.
Answer: B.
Explanation:
139. The part of seed that stores food is called the answer
Answer:
Cotyledon
Explanation:
it is the embryonic leaf so it supplies the nutrients to germinate.
Which statements about assays for the antigenic detection of both C. difficile toxins A and B are TRUE? The assays are rapidly and easily performed. The assays can detect both Toxin A+B- and Toxin A-B+ strains.
The assays can detect both Toxin A+B- and Toxin A-B+ strains of C.difficile.
How assays are performed for C.difficile?According to reports, toxic strains of Clostridium difficile almost invariably produce both toxin A and toxin B, while nontoxic strains are said to never produce either of these toxins. Recent research suggests that that is not always the case. As an alternative to cell culture assay and enzyme-linked immunosorbent assay, we developed a PCR assay to distinguish toxin A-negative, toxin B-positive (toxin A, toxin B+) strains from both toxin-positive (toxin A+, toxin B+) strains and both toxin-negative (toxin A, toxin B) strains (ELISA). Toxin A and toxin B, which are produced by different C. difficile strains, have a role in the pathogenicity of this organism.
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What is the difference between blue green and fungi?
Blue-green algae are photosynthetic prokaryotes, while fungi are eukaryotes that obtain nutrition through absorption.
Blue-green algae and fungi are both organisms, but they belong to different domains and have distinct characteristics. Blue-green algae, also known as cyanobacteria, are classified under the domain Bacteria, while fungi belong to the domain Eukarya.
Blue-green algae are prokaryotic organisms, lacking a true nucleus and membrane-bound organelles. They obtain energy through photosynthesis and are capable of converting sunlight into chemical energy. They typically inhabit aquatic environments, such as lakes, ponds, and oceans, and some species can fix atmospheric nitrogen.
On the other hand, fungi are eukaryotic organisms with a distinct nucleus and membrane-bound organelles. They obtain nutrition by absorbing organic matter from their surroundings. Fungi play crucial roles in decomposition and nutrient cycling in ecosystems. They can be found in various habitats, including soil, plants, and even as symbiotic partners with other organisms, such as in mycorrhizal associations.
In summary, the primary differences between blue-green algae and fungi lie in their cellular structure, mode of nutrition, and classification. While blue-green algae are photosynthetic prokaryotes, fungi are eukaryotes that obtain nutrition through absorption. Understanding these distinctions helps in appreciating the diversity and ecological significance of these two groups of organisms.
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Why is radioactive dating important when approximately the age of earth
Answer:
By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change. Radiometric dating is also used to date archaeological materials, including ancient artifacts.
Explanation:
hope it helps
Answer:
By allowing the establishment of geological timescales, it provides a significant source of information about the ages of fossils and the deduced rates of evolutionary change. Radiometric dating is also used to date archaeological materials, including ancient artifacts.
(if this helped can you give me a BRAINYLEST please)
DNA is formed using four kinds of base subunits. In a double-stranded segment of DNA, the percentage of the base C is 18%. What is the approximate percentage of base T?
Answer:
The correct option is C 32%
According to Chargaff’s rule in a DNA molecule A = T and G = C and A + G + C + T = 100%. Here cytosine (C) is 18% hence G = 18%
∴
A + T = (100 – 36)%
∴
A + T = 64%
∴
A = 32%
Explanation:
Definition of food web
A food web is a structure formed by the interrelationships of food existing between the members of an acosystem. Through this web, the different species transfer enery and nutrients: each species feeds on another and in turn is food for a third one.
What features developed between Platyhelminthes and Nematodes and the closest previous branch of the tree? They are related to all the other branches, how? What do they have in common with their closest relatives? What's different?
Answer:
Explanation:
Platyhelminthes and Nematoda are two phyla of animals made up of invertebrate worms. Although both strains are made up of worms, the two types of worms are not closely related. The main difference between Platyhelminthes and Nematoda is that Platyhelminthes is made up of flatworms with a thin, dorso-ventrally flattened body, while Nematoda is made up of a cylindrical body that tapers to fine ends at each end. Tapeworms, Turbellaria, Trematoda, and Monogenea are examples of Platyhelminthes. Secernentea, Enoplea, Chromadoria and Adenophorea are the examples of the nematodes. The flatworm Planaria and the roundworm Caenorhabditis elegans are the best-studied worms in the laboratory.
Did I bleed through my pants
Answer:
its possible
Explanation:
A method used by family and friends to help an alcoholic confront the disease is
Answer:
The options are
A. Cooperation
B. Intercession
C. Intervention
D. Codependence
The answer is B. Intervention
Explanation:
The suitable method used by family and friends to help an alcoholic confront the disease is Intervention. These set of people will help him understand the dangers of being an alcoholic and ensure that they help him avoid the triggers that makes such individual drink excessively.
They want to help him overcome the problem so cooperation and codependence is out of context. Intercession isn’t a strict form of confronting a problem such as this.
3. What evidence was provided for localized functions inherent to specific anatomical brain structures during execution of behavior and mental processes?
Evidence from studies of brain lesions and neuroimaging techniques supports the concept of localized functions in specific brain structures during the execution of behavior and mental processes.
There is substantial evidence supporting the localized functions of specific anatomical brain structures during the execution of behavior and mental processes. One such piece of evidence is the study of patients with brain lesions. By observing the behavioral and cognitive deficits resulting from damage to specific brain regions, researchers have been able to identify the functions associated with those areas. For example, damage to the prefrontal cortex can lead to impaired decision-making and planning abilities. Additionally, neuroimaging techniques, such as functional magnetic resonance imaging (fMRI), have provided evidence for localized functions. These techniques allow researchers to observe changes in brain activity during specific tasks, providing insight into the regions involved in those tasks.For more questions on neuroimaging
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Locate each of the following general areas of your body as listed in the background by pointing to areas on your body in reference to body orientation terms. Become familiar with these terms so you can eventually recall their meanings without referring to the background.
a. Anterior
b. Caudal
c. Cephalic
d. Deep
Answer:
a. Anterior: Refers to the front of the body, which comprises the face and abdomen.
b. Caudal: Refers to the lower structures of the body, starting from the waist towards the foot.
c. Cephalic: Refers to the entire head region.
d. Deep: Refers to the inner core regions of the body, such as the bones within the muscle, the organs, among other internal structures.
Explanation:
The regions of the body presented above are very important for all health professionals, as it facilitates the study and understanding of the human body and the structures that make it up. In addition, the memorization of these terms allows health professionals to talk clearly about the injuries that patients have and the best way to treat them.
For Monsters, having One eye is dominant to having 2 eyes.
If both mom and dad are heterozygous for the number of eyes, what is the possibility of them having an offspring with TWO eyes?
Question 1 options:
0%
25%
50%
75%
100%
Answer:
About 50% I’d say because you never know if one could have two eyes or one
Explanation:
If both mom and dad are heterozygous for the number of eyes, then the possibility of them having offspring with TWO eyes will depend on the dominance relationships and if this is a monogenic trait (none of the options are correct).
How we can determine the genetic likelihood for a trait?We can determine the genetic likelihood for a trait by recognizing the dominance relationships, in the case that 2 yes is a recessive then the likelihood to have a child with this trait is 25 % (it is the likelihood of occurrence of the trait in homozygosis).
Therefore, with this data, we can see that we can determine the genetic likelihood for a trait we need to know dominance relationships.
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Please help!!! Thanks pp
Answer:
Heterozygous.
Explanation:
Since the son has a recessive and dominant trait, (A shaded square and a white circle.)
The models below represent a cell before and after it was divided into four
smaller cells.
O
A
O
B
00
Which statement best compares the cells represented by the two models?
OA. The cell in model A has the least total volume and surface area of
all the cells.
OB. All the cells in the models have the same amount of surface area
and volume.
O C. The cell in model A has a greater surface-area-to-volume ratio
than a cell in model B.
OD. Each cell in model B has a greater surface-area-to-volume ratio
than the cell in model A.
As a result, D is the right answer: Each cell in model B has a higher surface-area-to-volume ratio than the cell in model A.
The surface-area-to-volume ratio of cell A is larger than that of any of the cells in model B.
A cell's surface-area-to-volume ratio is a critical factor in determining its capacity to exchange materials with its surroundings.
The greater the surface-area-to-volume ratio, the greater the surface area of the cell compared to its volume, allowing for a more efficient exchange of nutrients, waste products, and gases.
The original cell in model A has a large surface area compared to volume, as demonstrated by the numerous cell membrane segments visible in the diagram.
Because the cells are smaller, when the cell divides into four smaller cells in model B, each of the resulting cells has a lower surface-area-to-volume ratio than the initial cell in model A.
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Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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During the light-dependent reactions of photosynthesis, which event must occur for ATP synthase to function properly?
A. Hydrogen ions must pass through a channel within ATP synthase.
O
B. Molecular oxygen must combine with ATP synthase.
C. A molecule of ATP must release a phosphate group to become ADP.
D. Photosystem I and photosystem II must be deactivated.
In the light-dependent reactions of photosynthesis, the event that must occur for ATP synthase to function properly is that Hydrogen ions must pass through a channel within ATP synthase. Thus, the correct option for this question is A.
What is the light-dependent reaction of photosynthesis?The light-dependent reaction of photosynthesis may be defined as a type of reaction that utilizes light energy in order to make two molecules that are ultimately required for the next stage of photosynthesis.
The energy storage molecule ATP and the reduced electron carrier NADPH. In plants, light reactions take place in the thylakoid membranes of organelles called chloroplasts.
This reaction successfully processes the conversion of solar or light energy into chemical energy in the form of ATP and NADPH. In this process, hydrogen ions must pass through a channel within ATP synthase.
Therefore, the correct option for this question is A.
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In ascocarp the structure is not found?
1.chlamydospore
2.ascus
3.paraphyses
4.hyphae
Answer:
hyphae
Explanation:
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The structure that is not found in ascocarp is Chlamydospore. Therefore, the correct option is A.
Chlamydospores, which have thick walls and are commonly seen in various fungi, are resting spores. however, they are often not related to the ascocarp structure. The fruiting bodies formed by members of the fungal phylum Ascomycota are known as ascocarps. Asci (plural: ascus), sac-like structures that contain the sexual spores known as ascospores, which differentiate them.
Ascocarps may have paraphysis, sterile filaments that have a variety of uses, including support and aid in spore dispersal. The body of the fungus is made up of branching filaments called hyphae, which are present in all stages of the life cycle.
Therefore, the correct option is A.
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Helpppppppppppppppppp
Answer:
There is no correlation
Explanation:
In which group of organisms are the members more closely associated?
O kingdom
O class
O order
O domain
the origin of a muscle is generally
explain the question more
Answer: The stable and proximal attachment
Explanation:
Write an essay that provides a scientific explanation for the question: How did the UCSD (campus) population of juncos become bolder than the mountain population over the last 60 years? Your essay should be
Answer:
The population of juncos at the University of California, San Diego (UCSD) campus has become bolder than the mountain population over the last 60 years, and this change can be explained by the process of natural selection.
Juncos are small, sparrow-like birds that are found in a variety of habitats across North America. The UCSD campus population and the mountain population of juncos are two distinct groups that have evolved separately over time.
One important factor that drives the process of natural selection is the availability of resources, such as food and shelter. On the UCSD campus, the juncos have access to a variety of resources provided by humans, such as bird feeders and landscaped gardens. These resources allow the juncos to survive and reproduce more successfully than they might in the wild, leading to an increase in the population size.
As the population size increases, there is more competition for resources, and only the boldest individuals can access them. Over time, bolder individuals are more likely to survive and reproduce, passing on their genes for boldness to the next generation. As a result, the overall population becomes bolder over time.
In contrast, the mountain population of juncos likely has fewer resources available and faces more challenges in finding food and shelter. As a result, the selection pressure for boldness is likely to be weaker in this population, leading to less of a change in the overall level of boldness.
Therefore, the difference in the level of boldness between the UCSD campus population and the mountain population can be explained by the process of natural selection, which has favored bolder individuals in the campus population due to the availability of resources provided by humans.
Explanation:
1. Describe how genetic material is distributed via reproductive processes.
a. In terms of alleles, how is the result of sexual reproduction different from the result of asexual reproduction? (1 point)
b. Why do most organisms that reproduce sexually contain an even number of chromosomes? Hint: Think about the chromosomes contained in diploid cells. (1 point)
c. A cucumber plant has 14 chromosomes in each of its somatic cells. Describe how meiosis leads to a reduced number of chromosomes in a cucumber plant's gametes. How many chromosomes does a cucumber gamete contain? (2 points)
2. Describe sources of genetic variation in offspring.
a. How does independent assortment produce genetic variation in offspring? Hint: Think about how chromosomes line up. (2 points)
b. How does the number of chromosomes in an organism affect the number of possible combinations resulting from independent assortment? (1 point)
c. Describe what occurs during crossing over and how it produces genetic variation. Draw a model to support your answer. Your model should include two chromosomes — one with the alleles A, E, and G, and the other with the alleles a, e, and g. (4 points)
a. In sexual reproduction, offspring inherit genetic material from both parents, resulting in a combination of alleles from each parent. This introduces greater genetic diversity compared to asexual reproduction, where offspring are genetically identical to the parent because they are produced through mitotic division.
b. Most organisms that reproduce sexually contain an even number of chromosomes because sexual reproduction involves the fusion of gametes, which are haploid cells containing half the number of chromosomes. When two gametes with an equal number of chromosomes fuse, the resulting zygote becomes diploid and contains pairs of homologous chromosomes. Having an even number of chromosomes allows for proper pairing and separation of homologous chromosomes during meiosis.
c. Meiosis is the process that leads to a reduced number of chromosomes in gametes. In cucumber plants, meiosis starts with a diploid cell that has 14 chromosomes. Through two rounds of cell division, the chromosome number is halved. The resulting cucumber gamete will contain seven chromosomes, which is half the number present in the somatic cells.
a. Independent assortment occurs during meiosis when homologous pairs of chromosomes line up randomly at the metaphase plate. This random alignment leads to different combinations of maternal and paternal chromosomes in the resulting gametes, contributing to genetic variation in offspring.
b. The number of chromosomes in an organism affects the number of possible combinations resulting from an independent assortment. The formula \(2^n\) is used to calculate the number of possible combinations, where n represents the number of homologous pairs of chromosomes. With each additional pair of chromosomes, the number of possible combinations doubles.
c. Crossing over occurs during prophase 1 of meiosis when homologous chromosomes exchange genetic material. This process involves the breaking and rejoining of DNA segments between non-sister chromatids of homologous chromosomes. It results in the exchange of alleles between the chromosomes, creating new combinations of alleles on each chromatid. This genetic recombination during crossing-over contributes to genetic variation in offspring. A model illustrating crossing over would show the exchange of segments between the two chromosomes, resulting in a mixing of alleles.
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when is mitosis complete?
Identify pollutants that contaminate water ecosystems.
True or false the carrying capacity is the minmum number of individuals in a species that an environment can support
In animal somatic cel have---- sets(sof choromomes
Answer:
What is the question?
Explanation: