Answers
Junctions binds a cell to another cell and is linked to keratin intermediate filaments is desmosome.
Desmosomes are intercellular junctions that connect the plasma membrane with intermediate filaments. Members of the cadherin superfamily called desmogleins and desmocollins mediate adhesion at desmosomes. Desmosomes hold cells together by acting as glue. They are found in high numbers in tissues that are subject to a lot of mechanical forces. For example, many are found in the epidermis, which is the outer layer of skin, and the myocardium, which is muscle tissue in the heart.The extracellular core region, approximately 34 nm in length, contains desmoglein and desmocollin, which are in the cadherin family of cell adhesion proteins. Both have five extracellular domains, and have calcium-binding motifs. By permitting the cadherin extracellular domain on desmoglein and desmocollin to stiffen, extracellular calcium aids in the formation of cadherin adhesion. In contrast to the homophilic binding behaviour of other cadherins, they attach to each other via heterophilic interactions in the extracellular space around their N-termini. Desmoglein and desmocollin both feature an internal anchor to maintain their location within the cell membrane and a single pass transmembrane region. An intracellular cadherin domain seen in desmogleins and the desmocollin isoform "Dsc-a" interacts to plakoglobin.
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Related Questions
The endosymbiotic theory proposes that eukaryotic cells arose from living communities formed by the merging of prokaryotic organisms and their hosts.
Which of the following is the best evidence to support the endosymbiotic theory?
Pilihan jawaban
Mitochondria and chloroplasts contain DNA similar to bacterial DNA
Both prokaryotic and eukaryotic organisms require oxygen in order to use energy
Bacteria, mitochondria, and chloroplasts all divide by mitosis, while the cells containing them divide by binary fission
Bacteria and mitochondria contain many features that are similar to each other but different from those of chloroplasts
Answers
Mitochondria and chloroplasts contain DNA similar to bacterial DNA is the best evidence to support the endosymbiotic theory.
According to the endosymbiotic theory, eukaryotic cell organelles like mitochondria and plastids originated from free-living prokaryotes. According to the information at hand, Margulis' theory that the eukaryotic cell evolved first was supported by mitochondrial endosymbiosis.
Endosymbiosis is a type of symbiosis in which the symbiont resides inside the body of its host; this symbiont is referred to as an endosymbiont in this situation.
Because earlier researchers lacked the technology to perform a really fair test of the endosymbiotic hypothesis, there was no conclusive evidence in support of the concept.
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What is the difference between the nervous system of a Sponge and a Hydra?
Question 3 options:
The cells in a sponge respond to the environment individually, while a hydra has a true brain
The cells in a sponge respond to the environment individually, while a hydra has a very simple netlike nervous system that allows a coordinated response to a stimulus
The cells in a hydra respond to the environment individually, while a sponge has a very simple netlike nervous system that allows a coordinated response to a stimulus
The cells in a hydra respond to the environment individually, while a sponge has a true brain
Answers
Answer:
A
Explanation:
(b) The pGoG protein is known to block the G, to S transition in the cell cycle. Explain why this prevents
miosis from happenina in he cell
(c) Before treating melanoma cells with capsaicin, researchers pretreated the cells with an inhibitor of
calcineurin. Predict the effect of this pretreatment on the ability of capsaicin to induce apoptosis by the
pathway shown in Figure 2. Provide reasoning to justify your prediction.
(d) Researchers claim that many cancers include a mutation in the gene encoding pGoG. Support the
researchers claim.
Answers
Answer:
Explanation:
c. The pretreatment on the ability of capsaicin to induce apoptosis effects in NFAT2 to block ATF3 where it activates ATF3 to inhibit pGoG from inducing apoptosis.
d.AFT3 usually stops pGoG from induce apoptosis and so cancer develops because of apoptosis unable to do it's job and cells just keep dividing which we call a tumor
whitch is a term for decomposer
Answers
Practice 5
Select the pathogens below.
Bacteria
Viruses
Macrophages
Protists
Fungus
Answers
From the list you provided, the pathogens are Bacteria, Viruses and Fungus.
Bacteria are single-celled microorganisms that can cause various infectious diseases in humans, animals, and plants.Viruses are tiny infectious agents that can only replicate inside the cells of living organisms.
They cause a wide range of diseases, such as the common cold, flu, HIV/AIDS, and COVID-19.Fungi are a group of organisms that include molds, yeasts, and mushrooms. Some fungi can cause infections in humans, such as athlete's foot, ringworm, and fungal pneumonia.
Protists are a diverse group of eukaryotic microorganisms that include various single-celled organisms, such as amoebas and paramecia. While some protists can be parasitic and cause diseases like malaria, not all protists are pathogens.
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Vomiting and diarrhea remove pathogens from the _______________________.
Answers
NEED HELP FAST
Identify the false statement
A Chemistry plays an important role in efforts to increase the world's food supply and to protect crops
B Biodiesel is a fossil fuel
C Potato plants with a jellyfish gene will glow when they need to be watered
D Chemists are working to develop more pest-resistant and disease-resistant plants
Answers
Answer:
C my dude. Hope this helps.
Explanation:
You're welcome
What's earths and the suns sphere?
Answers
Answer:
Everything in Earth's system such as water, land, air, and or living things.
Explanation:
All those things are called "Spheres" or specifically =
1- Hydrosphere (water)
2- Lithosphere (land)
3- Biosphere (living things)
4- atmosphere (air)
1. How many kingdoms did Linnaeus have in his original system?a. 7b. 1c. 3d. 5
Answers
Linnaeus was very important in setting the bases of taxonomy in this he proposed the major level of classification, called kingdoms where he proposed three, vegetabilia, animalia, and mineral, tgerefore the correct answer is option c.
Residual parent material refers to the *weathered rock* and *soil* that remains in its place of origin, while *transported parent material* is material that has been carried and deposited by natural agents such as water, wind, or glaciers.
The impact of these different types of parent material on *soil formation* can be significant. Residual parent material tends to contribute to the formation of soils with characteristics similar to the parent rock. The weathering process breaks down the rock into smaller particles, allowing for the development of soil horizons and the release of minerals that influence soil fertility. In contrast, transported parent material can introduce a diverse range of materials to a given area, leading to variations in soil composition, texture, and fertility. The transportation process can mix different types of sediment, resulting in the formation of heterogeneous soils with varying properties.
Answers
Residual parent material is the rock and soil that is still located in its original location and is weathered. Transported parent material is material that is carried and deposited by natural agents such as water, wind, or glaciers. The effect of these different types of parent material on soil formation can be significant.
Residual parent material usually contributes to the development of soils with qualities similar to the parent rock. The breakdown of rock into smaller particles through weathering enables the formation of soil horizons and the release of minerals that influence soil fertility.
The physical and chemical characteristics of soils derived from this form of parent material are often similar and homogeneous, allowing for predictable fertility and properties. Transported parent material, on the other hand, can introduce a diverse range of materials to a given area, resulting in variations in soil composition, texture, and fertility.
The transportation process can blend different types of sediment, resulting in the formation of heterogeneous soils with different characteristics. Transported parent material can also be exposed to weathering processes, altering its original composition and resulting in soils with varying degrees of fertility.
While transported parent material can increase the diversity of soil properties in an area, it can also make it difficult to predict soil characteristics, particularly in areas where different types of sediment have been deposited. The relationship between parent material and soil development is complex, with both the initial characteristics of the material and the surrounding environment influencing soil properties.
In general, residual parent material contributes to the development of homogeneous soils with predictable properties, while transported parent material can result in more diverse and heterogeneous soils.
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At which location is contact metamorphism least likely to occur
1. divergent boundary
2. convergent boundary
3 .transform boundary
Answers
Contact metamorphism is the result of rising of hot magma, where by contact, other previously solidified rocks also metamorphize. This events occurs in convergent and divergent plate boundaries.
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Contact metamorphism refers to a localized metamorphism. It occurs in the vicinity of intrusive igneous rocks and results from the term effects of hot magma.
Contact metamorphism occurs under elevated temperatures and low-pressure conditions. It is closely related to magmatism.
It occurs in oceanic dorsals, where the extremely hot magma rising to the surface metamorphizes other previously solidified magmatic rocks.
It is very common to find this metamorphism at both convergent and divergent plate boundaries, where molten rock is produced.
I. Convergent. Collision area between two plates. Two oceanic plates might collide, or one oceanic plate with a continental one. In this last case, the oceanic crust sinks under the continental plate, and magma rises to the surface by crevices. The thicker and older plate subduces under the other plate. Also, collisions create volcanic arches and continental arches. In these boundaries, blueschists form by contact and regional metamorphisms.
II. Divergent: New crust is created by the rising molten materials coming from the mantle when two plates separate. A stream of hot material creates a new seabed between the separating plates, producing the sea bottom expansion. This process occurs along with an underwater mountain range, known as the mid-oceanic ridge or divergent ridge. Chlorite and plagioclase metamorphic rocks are formed by contact metamorphism.
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WHY (not how) is it possible for one organism to express genes from another organism? (i.e. an E.coli bacterial cell expressing a fluorescent protein from a jellyfish
Answers
Answer:
Because of the universality of the genetic code, the polymerases of one organism can accurately transcribe a gene from another organism.
How has the Douglas-fir adapted to enable its survival in the taiga biome?
a. low growing
b. perennial
C.
waxy needles
d. survive on limited nutrients
Answers
Answer:
b. perennial
Explanation:
because the Douglas fir several years because of which the area remains covered with forest and survives and adapt itself to the Taiga biome
Cindy ran 50 meters in 8 seconds, Patrick ran 50 meters in 9 seconds, Mathew ran 50 meters in 8.5 seconds, and Gina ran 50 meters in 7.5 seconds. Who was the slowest and who was the fastest?
Gina slowest and Patrick fastest
Patrick slowest and Gina fastest
Cindy slowest and Mathew fastest
Mathew slowest and Cindy fastest
Answers
Answer:
The answer would be...
B) Patrick slowest and Gina fastest
Explanation:
Base excision repair is responsible for fixing (select all that apply): Group of answer choices individual damaged nucleotides that minimally impact the helix structure. double stranded breaks. single stranded breaks. individual damaged nucleotides that cause a major impact to the helix structure.
Answers
Answer:
-- individual damaged nucleotides that minimally impact the helix structure.
-- single stranded breaks
Explanation:
The Base excision repair is popularly known as the BER. It is defined as the cellular mechanism which repairs the DNA that are damaged throughout the cell cycle. It helps in correcting the the small base lesions which do not distort the helix structure of the DNA significantly. It is also responsible for fixing the single stranded breaks of the DNA.
3. Explain how carbon monoxide acts as a competitive inliibitor on
hemoglobin molecules
ik it’s not biology but couldn’t find an antonym section
Answers
Answer:
The downward shift is a result of the carbon monoxide molecules binding to the heme group and preventing other oxygen molecules from binding to that same location.
Explanation:
In camellia plants, flower color is controlled by a single gene with codominant alleles. A camellia plants with red flowers (R) is crossed with a camellia plant with white flowers (WW). What are the expected phenotypes of the offspring of this cross?
O A. All will have both red and white flowers.
• B. All will have red flowers.
O c. Half will have red flowers and half will have white flowers.
• D. All will have pink flowers.
Answers
Half will have red flowers and half will have white flowers (option c).
In camellia plants, flower color is controlled by a single gene with codominant alleles. In this case, one parent plant has red flowers (R), while the other parent plant has white flowers (WW).
When two organisms with codominant alleles are crossed, both alleles are expressed equally in the offspring. Therefore, in this cross, the offspring will inherit one allele for red flowers (R) from the red-flowered parent and one allele for white flowers (W) from the white-flowered parent.
The possible combinations of alleles that the offspring can inherit are RW and RW.
When the alleles RW and RW combine, the resulting genotypes are RR (red-flowered) and RW (pink-flowered). However, since the allele for white flowers (W) is recessive to the allele for red flowers (R), the plants with the RW genotype will exhibit the dominant red flower phenotype.
Therefore, half of the offspring will have the RR genotype and display red flowers, while the other half will have the RW genotype and also display red flowers. None of the offspring will have the WW genotype, so there won't be any white flowers.
Hence, the expected phenotypes of the offspring of this cross are that half will have red flowers and half will have white flowers. Thus, the correct option is c.
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Lesson Question:How can the presence of
one species benefit another in the same
ecosystem?
Check all correct elements below that you
included in your question.
independent variable: presence of one
species (here, worms)
dependent variable: effect on another
species (here, lima bean plants)
relationship: benefit
DONE
Answers
Mutualism is a type of symbiotic relationship where all species involved benefit from their interactions.
How can the presence of one species in the same ecosystem assist another?A mutualism occurs when two species have a long-term relationship that benefits both of them (+/+ interaction). Some fungi, for example, create mutualistic relationships with plant roots. The plant may photosynthesize and gives fixed carbon to the fungus in the form of sugars and other organic compounds.
The presence of several species in an ecosystem balances it. The species in an ecosystem interact with one another in some way. For example, the existence of a plant species will offer food for the numerous herbivores found in an ecosystem. A predator may consume a variety of prey. As a result, the existence of diverse prey reduces the likelihood of a species becoming extinct in the ecosystem. As a result, all creatures in an ecosystem are dependent on one another in some way.
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The cells that form from the first few divisions of a fertilized egg cell can
develop into any cell in the human body or the placenta. What kind of stem
cells are these?
O A. Multipotent stem cells
B. Pluripotent stem cells
C. Totipotent stem cells
D. Unipotent stem cells
Answers
Answer:
The correct answer is D
Explanation:
The cells that form from the first few divisions of a fertilized egg cell can develop into any cell in the human body or the placenta is pluripotent cell. The correct option is B.
What is a stem cell?Stem cells are the raw materials of the body, the cells that give rise to all other cells with specific responsibilities.
Under the right conditions, stem cells divide to form more cells known as daughter cells in the body or in a laboratory.
Stem cells spawn additional cells for the body as it grows and replace damaged or lost specialized cells.
They are able to do this due to two distinct properties: they can divide repeatedly to produce new cells. They can change into the other types of cells that make up the body as they divide.
Pluripotent cells are those that form from the first few divisions of a fertilized egg cell and can develop into any cell in the human body or the placenta.
Thus, the correct option is B.
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Why is water easily polluted
Answers
Answer:water is able to dissolve more substances than any other liquid on earth
Explanation:
When large tracts of land are plowed, the exposed soil can erode during rainstorms
we have Kool-Aid and brilliant blue waterfalls. It's also why water is so easily polluted
Answer:
Water is easily polluted because its is able to dissolve more substances than any other liquid on earth.
What does numbers in citations mean ?
Answers
The numbers in citations refers to a source which is referred to in the text.
Citations are added in research articles, manuscripts, chapters of journals or books to refer to an original source for the mentioned text, image or information table.
The numbers in citations are written in superscript form and in Arabic numerals. These numbers are written inside a square bracket or curved bracket.
The number in the citation indicates which reference or source is to be referred from the bibliography for that particular sentence or paragraph.
For instance, ⁽¹⁾ indicates refer to the first source mentioned in the bibliography for this part of the text.
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Please solve this worksheet
Answers
In complete dominance, one dominant allele in the genotype is enougth to express the dominant phenotype. 1) Two phenotypes: normal pigmentation-brown eyes and normal pigmentation-blue eyes. 2) The chances of having a child with normal pigmentation and blue eyes is 4/16.
What is complete dominance?When the dominant allele completely masks the recessive allele, we talk about complete dominance.
This is an inheritance pattern in which individuals that are heterozygous for a particular gene and express the dominant trait. The dominant allele is hiding the expression of the recessive allele.
In the e xposed example, we have two independent genes that express complete dominance.
Gene 1 codes for pigmentation
A is the dominant allele and codes for normal pigmentationa is the recessive allele and codes for albinismGene 2 codes for eye color
B is the dominant allele and codes for brownb is the recessive allele and codes for blueGenotype Phentoype
Homozygous dominant ⇒ AA Normal pigmentationHeterozygous ⇒ Aa Normal pigmentationHomozygous recessive ⇒ aa AlbinoHomozygous dominant ⇒ BB Brown eyesHeterozygous ⇒ Bb Brown eyesHomozygous recessive ⇒ bb Blue eyes- Man: Heterozygous for pigmentation and eye color ⇒ AaBb
- Woman: Homozygous dominant for pigmentation and heterozygous for eye color ⇒ AABb
Cross: man with woman
Parentals) AaBb x AABb
Gametes) AB, Ab, aB, ab AB, AB, Ab, Ab
Punnett square) AB Ab aB ab
AB AABB AABb AaBB AaBb
AB AABB AABb AaBB AaBb
Ab AABb AAbb AaBb Aabb
Ab AABb AAbb AaBb Aabb
F1) Genotype
2/16 individuals are expected to be homozygous dominant for both traits AABB4/16 individuals are expected to be homozygous dominant for pigmentation and heterozygous for eye color, AABb2/16 individuals are expected to be heterozygous for pigmentation and homozygous dominant for eye color, AaBB4/16 individuals are expected to be heterozygous for both traits, AaBb2/16 indiviuals are expected to be homozygous dominant for pigmentation, and homozygous recessive for eye color, AAbb2/16 indiviuals are expected to be heterozygous for pigmentation, and homozygous recessive for eye color, Aabb.Phenotype
12/16 individuals are expected to have normal pigmentation and brown eyes, A-B-. 4/16 individuals are expected to have normal pigmentation and blue eyes, A-bb.1) There are two possible phenotypes:
normal pigmentation and brown eyesnormal pigmentation and blue eyes2) The chances of having a child with normal pigmentation and blue eyes is 4/16 = 2/8 = 1/4 = 25%.
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5×8+2÷2×3
what is the answer
Answers
Answer:
is this a joke
Explanation:
5/8 : 2 2/3 = 1564 = 0.234375
When a muscle experiences atrophy, it gets ______
Answers
When a muscle experiences atrophy, it gets _ smaller or decrease in your muscle mass and strength.
what is atrophy?atrophy is the shrinkage of a physical component, cell, organ, or other tissue. The word signifies that, before to the decrease, the atrophied portion was of a size typical for the person, taking into account age and circumstance.
Causes an atrophy?Muscle atrophy can occur due to
malnutrition, age, genetics, anda lack of physical activity or certain medical conditions.When you don't use your muscles enough, you develop disuse (physiologic) atrophy. Neurological conditions or disorders can cause neurogenic atrophy.
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Which process causes Earth's surface to warm?
Answers
Answer:the radiation of the Sun’s electromagnetic waves
Explanation:
Looking at the phylogenetic tree, which three statements can you make about the interconnectedness of the species A, B, C, D, and E?
Answers
Answer:
The correct answers are:
"Species A and C may have shared features from a common ancestor".
"Species B and E may have shared features from a common ancestor".
"Species A is more related to species B than species B is related to any of the other species".
Explanation:
The missing options for this question are:
A) Species A and C may have shared features from a common ancestor.
B) Species C is more related to species D than species D is related to species E.
C) Species B and C are more closely related than species C and D.
D) Species B and E may have shared features from a common ancestor.
E) Species A is more related to species B than species B is related to any of the other species
The correct answers are:
A) Species A and C may have shared features from a common ancestor.
D) Species B and E may have shared features from a common ancestor.
E) Species A is more related to species B than species B is related to any of the other species
Phylogenetic trees are graphical representations of evolutionary relationships among a given number of different species. Phylogenetic trees are constructed in a way that the more close are the species within the branches, the more evolutionary close they are. In this example, species A and C as well as species B and E may have shared features from a common ancestor, given that a common ancestor of all species is represented by the root of the phylogenetic tree; and, species A is more related to species B than species B is related to any of the other species, given that species A and B are separated together in a branch, with a common ancestor represented with the symbol "x". I attached the missing phylogenetic tree.
Answer:
Species A and C may have shared features from a common ancestor.
Species B and E may have shared features from a common ancestor.
Species A is more related to species B than species B is related to C.
Explanation: I just got this correct on the test! Hope this helped!
HELPPPPPPPPPPPPPPPP
HELPPPPP
Answers
Answer: 99% sure its 50
Explanation:
Answer:
Explanation:
I think 100
Could there be winds without differential heating? Using evidence from Unit 5 explain what differential heating is and whether this effects the earth’s global wind patterns.
HELPPP PLEASE SITE EVIDENCE (WILL MARK BRAINLIEST)!!!!!!!!
Answers
Differential heating is responsible for the wind patterns across the globe.
Differential heating is defined as the difference in heating of air on the land versus water. Sea breezes occur when land heats up faster than water which rises and creates a low pressure system. The high pressure air from the sea influxes is responsible for the creation of a sea breeze.
Unequal heating of the Earth's surface is responsible for the formation of large global wind patterns. Warm air rises at the equator and moves toward the poles while on the other hand, the cooler air rises at the poles and moves back toward the equator so in this way the earth’s global wind patterns occurs so we can say that differential heating is responsible for the wind patterns across the globe.
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What causes sandstone to change into metamorphic rock at Stone Mountain?
Answers
Answer:
sandstone experience intense heat and pressure
Explanation:
as streams flow though stone mountain,layers of sand build up.Over time,the layers of sand particles form a sedimentary rock called sandstone.
How does exhaling remove waste from the body? Explain the systems that make this happen, using complete sentences.
Answers
Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.
Exhaling plays a crucial role in removing waste from the body, particularly in the form of carbon dioxide (CO2), a byproduct of cellular respiration. The respiratory system, composed of the lungs and airways, is primarily responsible for this process.During inhalation, air containing oxygen is drawn into the lungs through the nose or mouth. Oxygen then diffuses across the lung tissue into the bloodstream, where it binds to hemoglobin and is transported to cells throughout the body. In the cells, oxygen is utilized in metabolic processes, generating energy and producing CO2 as a waste product.When we exhale, the diaphragm and intercostal muscles relax, causing the volume of the chest cavity to decrease. This action increases the pressure within the lungs, and air rich in CO2 is expelled from the body through the airways. The CO2 is removed from the bloodstream and eliminated from the body, reducing the waste buildup.Overall, the respiratory system's main function is to facilitate the exchange of gases, allowing oxygen to enter the body and carbon dioxide to be eliminated. Exhalation plays a vital role in removing waste by expelling CO2 and maintaining a balanced gas composition within the body.For more questions on respiratory
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