What are the three components of the cellular cytoskeleton? What are some of the major roles that each of these components plays in maintaining cellular function? Which of these three components has associated motor proteins? Give two examples of things motor proteins typically do in cells.

Answer:

Skull (cranium)  

Skull (facial)

Auditory ossicles (three in each ear - not shown)  

Hyoid (neck bone, aids speech - not shown)  

Vertebral column  

Thorax (sternum)  

Thorax (ribcage)

Explanation:

Answer:

no

Explanation:

kinetic energy is the energy your body makes from being in motion, temperature doesn't change your amount of kinetic energy

The fungi that cause human disease, known as mycoses, are typically divided into five groups based on the site of infection. These groups include superficial mycoses, cutaneous mycoses, subcutaneous mycoses, systemic mycoses, and opportunistic mycoses.

Superficial mycoses are fungal infections that affect only the outermost layers of the skin, hair, or nails. They do not invade deeper tissues. Examples of superficial mycoses include ringworm and athlete's foot.

Cutaneous mycoses, on the other hand, penetrate into the epidermis, the outer layer of the skin, and sometimes into the hair and nails. These infections can cause itching, redness, and scaling. Common examples of cutaneous mycoses include yeast infections and nail fungal infections.

Subcutaneous mycoses occur when fungi enter the subcutaneous tissue, the layer of tissue just below the skin. These infections can result from traumatic implantation or as a result of fungal spores entering the body through puncture wounds or insect bites.

Systemic mycoses are infections that spread throughout the body, affecting multiple organs. They usually occur in individuals with weakened immune systems. Examples include histoplasmosis and cryptococcosis.

Opportunistic mycoses are fungal infections that take advantage of a weakened immune system. These infections are caused by fungi that are normally harmless in healthy individuals. Candidiasis and aspergillosis are common opportunistic mycoses.

In summary, the classification of mycoses is based on the site of infection, including superficial, cutaneous, subcutaneous, systemic, and opportunistic mycoses.

To know more about Superficial mycoses refer to:

https://brainly.com/question/32351693

#SPJ11

I can conclude about this microbial agent that it is gram-negative. They are bacteria.

Gram-negative bacteria are a group of microbes that have a thin peptidoglycan cell wall.

Conversely, Gram-positive bacteria have a thick peptidoglycan coating, composed of around 30 layers of peptidoglycans.

The gram-negative bacteria include different microbial agents such as Pseudomonas aeruginosa, Chlamydia trachomatis, Escherichia coli, and Yersinia pestis.

Learn more about gram-negative bacteria here:

https://brainly.com/question/1194544

Answer:

In prokaryotes, transcription and translation happen at the same time.

Explanation:

hope it helps

Answer:

1. skin forms a physical barrier against pathogens

2. lysozyme in saliva kills pathogens by ingestion

3. mucus is a pathogen trap

4. phagocyte kills pathogens by breaking down their cell walls

Explanation:

1. Skin covers almost all around the body, protecting inner systems from being exposed to pathogens (bacteria). Also, skin is an unfavourable environment for pathogens.

2. lysozymes are organelles in saliva that ingest pathogens (by phagocytosis) and break them down

3. mucus lines the inside of the throat and trachea. With its sticky texture (and cilia), it is able to trap pathogens and move it up to the throat, where it can be swallowed and killed in the stomach by stomach acids.

Answer:

Explanation:

have a lovely day :)

Answer:

DNA: TACCGAATTCGC

mRNA: AUGGCUUAAGCG

RNA: A=U, T=A, G=C

RNA contains Uracil and Thymine is no longer present

The model of the spread of humanity that focuses on the displacement and eventual extinction of other hominid species by Homo sapiens is based on the concept of Replacement Hypothesis.

Extinction is the phenomenon that depicts the complete disappearance of a species from the whole earth. As the last individual of any species dies, the complete species is said to be extinct.

Replacement hypothesis is also known by the name Out of Africa model. It states that the origin of humans began in Africa and they then spread around the whole world. The early hominid species like Archaic Homo sapiens, Neanderthals, etc. were eventually replaced by Homo sapiens.

To know more about extinction, here

brainly.com/question/24674610

#SPJ4

Explanation:

the force of attraction between the moleculesin a mass is known as cohesion

Answer: Precapillary Sphincters

Explanation: Capillary beds have precapillary sphincters at the junction of capillaries and the met arteriole. Constriction of these sphincters reduces the blood flow through their respective capillaries. When this occurs, blood is diverted to tissue or organs elsewhere.

To investigate the influence of low soil water availability on photosynthesis, Klaus Winter and Joseph Holtum (2014) subjected a potted Clusia pratensis plant to low soil water availability.

Photosynthesis is a process by which green plants and some other organisms use sunlight to synthesize foods with the help of carbon dioxide and water. The Clusia pratensis is a tree species that is native to tropical regions of South America. It is an important source of food and water for animals in these regions. In a study conducted by Klaus Winter and Joseph Holtum (2014), they subjected a potted Clusia pratensis plant to low soil water availability to investigate the influence of low soil water availability on photosynthesis.

Photosynthesis is a process that requires water, carbon dioxide, and sunlight to produce glucose. The glucose is then converted into energy that is used by the plant. In low soil water availability conditions, the plant may not have enough water to undergo photosynthesis. This can lead to a decrease in the plant's growth rate and productivity.In conclusion, low soil water availability can have a negative effect on photosynthesis and plant productivity. The study conducted by Klaus Winter and Joseph Holtum (2014) on a potted Clusia pratensis plant is a good example of this.

To learn more about photosynthesis visit:

https://brainly.com/question/10279354

#SPJ11

The backbone of DNA and RNA is composed of sugar phosphate. DNA is double-stranded due to interactions between adenine, cytosine, guanine, and thymine, which are nucleotide bases. Uracil is a pyrimidine nucleotide base.

DNA is the hereditary material of humans and almost all organisms. It carries genetic information. DNA is deoxyribonucleic acid and RNA is ribonucleic acid. DNA is double-stranded while RNA is single-stranded. Both DNA and RNA are protein derivatives. The base is formed of sugar phosphates. Both these carry nucleotide bases on them. Adenine, guanine, cytosine, uracil, thymidine, etc are examples of nucleotide bases. Among that adenine and guanine are purines. Cytosil Uracil and thymidine are pyrimidines.

For more details on purines and pyrimidines, see this question.

brainly.com/question/30824839

Explanation:

The answer is A, T. Lipids are large molecules that are formed by the joining of smaller units, like glycerol and fatty acids. Lipids are not polymers because they are made of different kinds of fats.

Answer:

1 is true, 2 is true, and 3 is also true

Answer:

by experimental repeatability, which enables to demonstrate the accuracy and reliability of the scientific study.

Explanation:

Scientific ideas and theories are used to explain observations and phenomena from the real world. Scientific validation comes by acceptance of the scientific community, which is generally achieved by scientific publications in well-reputed peer-reviewed journals. In order to be validated, these explanations must be repeatedly tested by using the scientific method, thereby proving the effectiveness of the proposed research method used to obtain information.

Answer: The type of chemical which can be used to cure the unhealthy plant-"Nitrate".

Explanation: It serves plants as a nutrient and is an important growth factor. It is absorbed by the roots from the soil. It helps to build organic compounds including proteins and nucleic acids.

To learn more about "Nitrate"

https://www.ages.at

Aquatic organisms have only a predatory relationship with coral reefs. This statement is false.

It is an underwater ecosystem and is made up of calcium carbonate. They are sessile.

Aquatic organisms have other predators as well depending on the behavior of that particular organisms. There are phytoplankton, zooplankton, small fishes, and large fishes apart from coral reefs in the aquatic ecosystem.

Therefore, Aquatic organisms have not only a predatory relationship with coral reefs.

To learn more about an Aquatic ecosystem, refer to the link:

https://brainly.com/question/1023703

Answer:

F

Explanation:

Answer:

Because protons are no longer being used to power the ATP synthase, the proton gradient is not dissipated; the increasingly steep proton gradient makes it increasingly difficult for the electron-transport proteins to pump protons out of the matrix, and electron transport quickly stops.

Explanation:

Hope this helped!

Mitochondria are the power-house of the cell, which are primarily involved in the synthesis of Adenosine Triphosphate (ATP). The synthesis of ATP is mediated by the proton pump and electron transport chain.

The protons generate the gradient, which is produced by the proton-pumping during the electron transport chain. The increase in the mitochondrial ATP production is mediated by the activated SIRT1 and AMPK.

The protons then flow down the concentration gradient into the matrix through ATP synthetase, a membrane protein.

The gradient will cause the spinning and catalyze the conversion of ADP into ATP.

Therefore, the metabolic machinery of the ATP synthesis in the mitochondria will be increased due to the proton pump.

To know more about mitochondria and ATP synthesis, refer to the following link:

https://brainly.com/question/18757196

The lac repressor and trp repressor are both DNA-binding proteins that play crucial roles in gene regulation. Both repressors bind to specific DNA sequences and prevent transcription of nearby genes. However, their mechanisms of action differ.

The lac repressor blocks transcription by physically obstructing the RNA polymerase enzyme, while the trp repressor inhibits transcription by preventing the binding of RNA polymerase to the promoter region. The two repressors also respond to different environmental stimuli. The lac repressor is activated in the presence of lactose, while the trp repressor is activated by the absence of tryptophan.

Additionally, the genes regulated by these repressors are different. The lac repressor regulates genes involved in lactose metabolism, while the trp repressor regulates genes involved in tryptophan synthesis. Despite these differences, both repressors play important roles in maintaining cellular homeostasis by ensuring that genes are only expressed when necessary.

Learn more about DNA here:

https://brainly.com/question/8474752

#SPJ11

The name for the topographical representation of the sensory input to the somatosensory cortex is (a) homunculus. This term refers to a distorted representation of the human body in the brain, with larger areas dedicated to more sensitive body parts, such as the hands and lips.

Based on a neurological "map" of the regions and proportions of the human brain devoted to processing motor activities or sensory functions for various sections of the body, a cortical homunculus is a distorted depiction of the human body. A representational map of the body is created when nerve fibres carrying somatosensory information from different parts of the body terminate in different parts of the parietal lobe in the cerebral cortex.

A motor homunculus is a diagram illustrating the brain regions responsible for processing motor commands for various bodily regions. The precentral gyrus contains the primary motor cortex, which processes information from the premotor region of the frontal lobes.

A sensory homunculus is a diagram showing the brain regions responsible for processing sensory information for various body regions. The postcentral gyrus is home to the primary sensory cortex, which processes thalamic impulses.

Corresponding signals are sent to the thalamus from the brain stem and spinal cord.

Know more about homunculus here:

https://brainly.com/question/28157895

#SPJ11

Answer:

the cell would split in two and put 12 chromosomes in each daughter cell

Explanation:

The cross of a female true breeding with long wings and cinnabar eyes with a male true breeding with short wings and red eyes produces F1 offspring that have long wings and red eyes.

Assuming that the length of the wing is regulated by a single gene with two alleles found in these flies, as is the eye color in this cross, and that each gene's alleles have simple dominance relationships.2.  In this case, you can represent dominant alleles as capital letters.The male true breeding with short wings and red eyes is homozygous for the recessive allele for the wing length and the dominant allele for eye color.

The female true breeding with long wings and cinnabar eyes, on the other hand, is homozygous for both alleles, so her genotype would be RRcc. As a result, all of their offspring have the genotype RrCc.3. Now set up a test cross between an F1 female (from the above cross) and a male from another population.

To know more about cinnabar visit:

https://brainly.com/question/31915501

#SPJ11

Answer:

the cactus

Explanation:

it has spikes that can harm the predator

The selection index based on own performance is a useful tool for evaluating the potential response to selection for multiple traits.

A) A selection index is a technique used in animal breeding to identify the best breeding animals based on a selection of traits. This index is used to estimate the breeding value of an animal in a breeding program.

B) Economic values are used to assign relative economic importance to different traits in a breeding program. The predicted response, on the other hand, is the expected improvement in a trait due to selection for that trait. It is calculated by multiplying the selection differential by the heritability.

C) The economic weights are appropriate for the breeder’s goal since they reflect the breeder’s desire to increase weight while decreasing feed intake. A positive response for feed intake may be due to the genetic correlation between the two traits. Since the genetic correlation between weight and feed intake is positive, selection for weight will indirectly lead to an increase in feed intake.

D) To design an index such that there was no response for feed intake, the index would need to be designed so that it only selects animals based on their weight and not their feed intake. This would involve assigning a weight of zero to feed intake in the selection index. This would mean that only animals with the highest weight would be selected, regardless of their feed intake.

However, the economic weights used in the index should be appropriate for the breeder’s goal in order to maximize the desired response. In this case, the positive response for weight suggests that the economic weights used are appropriate, but the negative response for feed intake suggests that a different design may be necessary to achieve the breeder’s goal of increasing weight while reducing feed intake.

Learn more about selection index visit:

brainly.in/question/16851980

#SPJ11

Answer:

Scientists have determined that humans are disrupting the nitrogen cycle by altering the amount of nitrogen that is stored in the biosphere. The chief culprit is fossil fuel combustion, which releases nitric oxides into the air that combine with other elements to form smog and acid rain.

Explanation:

Answer:

1. heat is collected from the earth

2. heat is used to change water into steam

3. steams turns a turbine

4. generators produce electricity

Explanation:

One reason why GDP is not a good measure of national well-being is that it fails to take into account A. pollution. GDP only measures the value of goods and services produced within a country but does not account for negative externalities like pollution that can harm the environment and people's health.

GDP is the Gross Domestic Product, which is a measure of a nation's economy. It calculates the value of all products and services generated within a country's borders over a given period. GDP is a widely used economic indicator that provides a snapshot of a country's economic performance over time.

National well-being refers to the overall quality of life experienced by citizens in a given country. It includes not only the economic component but also factors such as social and environmental indicators that influence overall happiness and satisfaction with life.

GDP is an inadequate measure of national well-being for the following reasons:

To know more about GDP, visit: https://brainly.com/question/30111703

#SPJ11

The  following indicates that an endothermic reaction has occurred when temperature decreases, which is in the last option as the endothermic reaction needs heat to carry out the reactions.

There are two types of reactions, such as the reaction that requires heat to form the product, the endothermic reaction, while some of the reactions that release heat are called the exothermic reaction, and the exothermic reactions have more energy at the reactant side than the product side. In the case of a endothermic reaction, the product usually has more energy than the reactants, and the change in free energy here is positive.

Hence, the following indicates that an endothermic reaction has occurred when temperature decreases, which is in the last option as the endothermic reaction needs heat to carry out the reactions.

Learn more about the endothermic reaction here.

https://brainly.com/question/23184814

#SPJ2

Answer:

Switch

Explanation: