Answers
CELLULAR ADHESION: tight junctions form a seal between two cells.
RECOGNITION AND ADHESION: the process can lead to an intracellular response.
CELLULAR RESPONSE: carbohydrate chains are attached to cell surface proteins or phospholipids.
Cellular recognition is described as a dynamic process that results in a specific response. When it can be indicated that cell adhesion is facilitated by molecules with specific binding properties, it is a prime illustration of cell recognition. Cellular response is a stable state of biochemical mediator production and degradation in the cell, which can happen in a variety of ways.
Cellular responses can be extremely fast, such as the opening of ion channels to cause a change in membrane potential or muscle fiber contraction, which occurs within milliseconds of data transmission, or they can take minutes, such as whole cell movement.
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Related Questions
How does the mass of the paper helicopter affect the time it takes to fall 2 meters? in 250 easy words
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Answer:10
Explanation:
200
Why are braided streams common in sedimentary rocks before the arrival of plants on land ?
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Answer:
Braided rivers have a multithreaded plan form comprising many confluences and diffluences (Miall, 1977). Braid bars and channels can be classified as a hierarchy depending upon their relative size, and three orders of braiding can be seen in proglacial rivers with constant discharge. First-order braid bars are those largest bars which are separated by major channels. First-order bars are made up of a series of smaller, second-order braid bars, which are separated by smaller channels. Third-order braid bars are contained within second-order bars. Complexity of braid pattern is, however, strongly stage dependent, with rivers losing their braided character during peak flood conditions. Braid bars, mid-channel bars, unit bars, and islands have been described in braided river systems on a range of scales ranging from meters to kilometers. All bars are subject to dissection , remobilization, and migration by the appropriate discharge magnitude and frequency (Miall, 1977, 1983).
Explanation:
What is overstory in a rainforest and do any organisms live there?
Answers
The overstory is the uppermost trees in a forest, like some giant emergent trees that have 213 feet or more, usually their form the canopy of the forest. Some animals that use the overstory are the owls, orioles, hawks, eagles, and small mammals like the squirrels.
Write a short paragraph describing a carnivore through the eyes of its intended meal. Such as fox and mouse.
Answers
Carnivores have binocular vision, which means their eyes are at the very front of face, resulting in a smaller field of view but allowing for depth perception, which is required to catch prey.
What are carnivores?A carnivore is an organism that primarily consumes meat or animal flesh. Carnivores are sometimes referred to as predators.
Carnivores have razor-sharp teeth that are precisely shaped to slice and rip the meat they consume. Canines make up the majority of their teeth.
Carnivores have binocular vision, which implies their eyes are located at the in front their faces, resulting in a narrower field of view but allowing for depth perception, which is necessary for prey capture.
Thus, this way, carnivores look at their meal.
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Pls need help the question is up there already giving BRAINLEST to a good answer
Answers
Answer:
The last choice. Think of planets, the bigger they are, the stronger they attract to one another
Explanation:
hope it helps
Will give 100 points and brainlest to do this assignment
Answers
Answer:
oki
Explanation:
The fluid-mosaic model of cell membranes refers to the discovery that membranes are composed
of a bilayer of phospholipids with proteins embedded; both phospholipids and proteins can easily
flip from inside to out (or vice versa), but cannot move laterally in the membrane.
O True
O False
Answers
Answer:
False
Explanation:
The fluid mosaic model describes the cell membrane as a tapestry of several types of molecules (phospholipids, cholesterols, and proteins) that are constantly moving.Membrane proteins and phospholipids are unable to move back and forth between the inner and outer leaflets of the membrane at an appreciable rate. However, because they are inserted into a fluid lipid bilayer,both are able to diffuse laterally through the membrane.
Individual phospholipids and proteins can rotate and move laterally within a bilayer.
Hope this helps!
Colorblindness is due to a sex-linked recessive allele. What are the chances of a colorblind father and a carrier mother having a child with colorblindness?1/41/23/40
Answers
The cross of the father who is homozygous for colorblindness and the mother who is heterozygous for colorblindness (carrier) are the following offspring:
50% CC - homozygous for colorblindness and 50% heterozygous for colorblindness (carrier).
Answer - The chances of having a child with colorblindness is 1/2.
Define transcription
Answers
Answer:
Transcription, as related to genomics, is the process of making an RNA copy of a gene's DNA sequence. This copy, called messenger RNA (mRNA), carries the gene's protein information encoded in DNA.
Explanation:
All BUT which of the following are true statements?
a. All bacteria are efficient at controlling plant diseases and pollutants.
b. The soil food web attempts to describe the complexity of transfers of energy and matter between species in the soil ecosystem
c. Plants reuse nutrients which are cycled back into the soil by organisms consuming materials d. Diversity and interaction of organisms allows more nutrients to be cycled within the soil and provides more soil benefits.
Answers
Answer: All bacteria are efficient at controlling plant diseases and pollutants
Explanation:
Answer:
a. All bacteria are efficient at controlling plant diseases and pollutants.
Explanation:
The others just don't scientifically make sense at all. A is the correct answer. Hope this helps ;)
Can some help me out
Answers
Answer:
movement of sister chromatids to opposites poles
7) Which one of the following statements describes an effect of crossing over during meiosis? A) It increases the chance for variation in zygotes. B) It inhibits segregation of homologous chromosomes. C) It interrupts the process of independent assortment. D) It causes incomplete dominance within the gametes.
Answers
Answer:
Explanation: C) Meiosis I and II lead to the formation of cells with 7 chromosomes. During meiosis I, homologous chromosomes separate. During meiosis II, sister chromatids separate. Two cells combine during fertilization to produce offspring with 14 chromosomes.
Topic 1 - Describe what occurs at a divergent plate boundary. What happens at a transform plate boundary? Compare and contrast the types of processes that can occur at a convergent plate boundary.
Topic 2 - List five factors that can influence how long global supplies of a given mineral will last, and explain how each might increase or decrease the time span the mineral will be available to us.
Answers
Topic 1:
At a divergent plate boundary, tectonic plates move apart, creating a gap where magma rises and forms new crust.At a transform plate boundary, plates slide past each other horizontally, causing earthquakes but no crust creation or destruction.Topic 2:
Factors affecting mineral supply: discovery, technology, recycling, politics/economics, and substitution impact availability and longevity.
At a divergent plate boundary, two tectonic plates move away from each other due to convection currents in the underlying mantle. As the plates separate, magma rises from the asthenosphere and fills the gap, creating a new crust.
This process is known as seafloor spreading when it occurs beneath the ocean, leading to the formation of mid-oceanic ridges. On land, divergent boundaries can result in the formation of rift valleys.At a transform plate boundary, two plates slide horizontally past each other. This movement is characterized by shear stress and can cause earthquakes when the plates become locked and then suddenly slip. The San Andreas Fault in California is a well-known example of a transform plate boundary.Convergent plate boundaries involve the collision or subduction of two tectonic plates.There are three types: oceanic-oceanic convergence, oceanic-continental convergence, and continental-continental convergence. The type of processes that can occur at a convergent plate boundary include subduction, volcanic activity, mountain formation, and the creation of trenches.
Topic 2:
Factors influencing the longevity of global mineral supplies can include geological factors, technological advancements, recycling efforts, population growth, and consumption patterns.
Geological factors play a significant role in determining how long global supplies of a mineral will last. The size and quality of mineral deposits, as well as the rate of extraction, can impact their longevity. Technological advancements can either increase or decrease the time span a mineral will be available. Improved mining techniques can access previously inaccessible deposits, while more efficient use of minerals can extend their lifespan.Recycling efforts can greatly affect the availability of minerals. Increased recycling rates can reduce the need for new extraction and extend the lifespan of global mineral supplies. Population growth and consumption patterns also influence the demand for minerals. As the global population grows and economies develop, the demand for minerals increases, potentially depleting supplies more rapidly.In conclusion, the longevity of global mineral supplies is influenced by geological factors, technological advancements, recycling efforts, population growth, and consumption patterns. Each of these factors can either increase or decrease the time span during which a mineral will be available to us.
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How does human population growth and resource use impact biodiversity?
Answers
Human being wants to control anywhere and everywhere in the world. Firm CEOs want to use cheap and easily available materials (such as palm oil). They want to convert natural forests into palm plantations. Therefore, biodiversity is lost in such places.
When human population increase without thinking about future, resources for people are used enormously. This leads new roads, new buildings, new industrial plants, etc. Therefore, original landscape is converted into new forms. Biodiversity is lost.
Although almost nobody lives in Antarctica, transboundary pollution and global climate change affect animals/creatures living there.
As human populations increase, the demand for resources such as food, water, and energy also increases.
What is biodiversity?Biodiversity refers to the variety of life on Earth, including the variety of species, ecosystems, and genetic diversity within species.
Human population growth and resource use have a significant impact on biodiversity. This leads to habitat destruction, pollution, and climate change, all of which have negative impacts on biodiversity.
Habitat destruction: As human populations grow, they need more land for agriculture, settlements, and infrastructure development. Pollution: Human activities such as industrialization and transportation produce pollutants that can harm biodiversity. Climate change: Human activities such as burning fossil fuels for energy production lead to the emission of greenhouse gases, which contribute to climate change.Thus, human population growth and resource use impact biodiversity by causing habitat destruction, pollution, and climate change.
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Why do the plant cells in these two images have different structures?
A. Because every plant cell has a different structure
B. Because they are in different stages of development
C. Because they have different jobs, or functions
D. Because the DNA in their nuclei are very different
Answers
Answer:
C
Cells have different shapes because they do different things. ... The shapes of cells have evolved to help them carry out their specific function in the body, so looking at a cell's shape can give clues about what it does. Neurons are cells in the brain and nervous system.
The plant cell in the images have different structures because they have different jobs, or functions
Why are all plant cells have different structures?All plants are very different because of their environments.
Plant cells are different in shapes because they are in different places in the plant and do different jobs. Some cell stores food,some perform photosynthesis etc.- Animal cells also have many shapes like nerve cells, germ cells etc.According to options:-
A. Because every plant cell has a different structureB. Because they are in different stages of developmentC. Because they have different jobs, or functionsD. Because the DNA in their nuclei are very differentThe answer will be (option A) they have different jobs, or finctions.
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Why can matter be weighed?
O A. It has mass.
O B. It has width.
O c. It has volume.
OD. It has pressure.
Answers
Answer:
A. It has mass.
C. It has volume.
Explanation:
The matter has both Mass and volume.
Mass and volume are two units used to measure objects. Mass is the amount of matter an object contains, while volume is how much space it takes up.
Hope it is helpful...Describe how a product of photosynthesis can be used to synthesize amino acids
GUYSS PLSSS PLSSS I BEG ANYONE PLS HELP ME WITH THIS QUESTION ASAP I NEED AN ANSWER ASAP ASAP PLS PLS OMGGG
Answers
Answer:
Explanation:
Oxygen is a major product of photosynthesis. Oxygen fuels aerobic processes, which is required to synthesize amino acids.
1. Some human societies have lifestyles that are sustainable, while others do not.
a. Describe how living near water can lead to a more sustainable lifestyle. (0.5
point)
Answers
Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation.
It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.
An individual who pursues a lifestyle where he/she is concerned of using the resources in a limited quantity so the basic requirement of his/her is fulfilled along with preserving the remaining resources for the coming generation so that their basic requirements could be met, is following a sustainable living.
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one way the immune system reacts when one of these viruses enters the body
Answers
Answer:
One way the immune system defends the body is when a virus or harmful bacteria is causing your temperature to skyrocket, giving you a fever. This is used by the immune system to try to burn out the bacteria/virus, killing it with heat.
Explanation:
Hope this helps you!!
A nonnative species of ant is introduced into a woodland ecosystem. Which
would most likely stop the species from becoming invasive?
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the answer is B because the predator would keep it in check.
Why human don't lay from the egg?
Answers
Answer: because that is not how were made.
Explanation:
what happens when an acid is added to a solution?
Answers
Answer:
pH is a measure of the concentration of H3O+ ions in a solution. Adding an acid increases the concentration of H3O+ ions in the solution. ... If an acid is added to a basic solution, the solution becomes less basic and moves toward the middle of the pH scale. This is called neutralizing the base.
why fertilizer is important
Answers
Answer:Fertilizers provide crops with nutrients like potassium, phosphorus, and nitrogen, which allow crops to grow bigger, faster, and to produce more food. To grow, plants require nitrogen compounds from the soil, which can be produced naturally or be provided by fertilizers.
Explanation:
What is the difference between coral and polyp?
Answers
Answer:
Coral reefs are built by and made up of thousands of tiny animals that are related to anemones and jellyfish. Polyps can live individually or in large colonies that comprise an entire reef structure. At night, polyps extend their tentacles to feed.
Explanation:
hope this helps
A confluent lesion pattern is when two distinct, but separate, lesions are on one part
of the body (e.g., multiple ant bites on a foot).
- True
False
Answers
Answer: false
Explanation: it means they run together
Answer: The Answer is False
Explanation:
Describe the development of the zygote until implantation occurs.
Answers
1.4 In terms of evolution, which do you think arises first? The virus or the bost? Explain
Answers
It is widely believed that the host (in this case, a living thing) evolved before the virus in the process of evolution. Because viruses are required intracellular parasites that can only multiply inside a host cell, exploiting the host cell's resources and machinery to make new viral particles, this is the case.
Bacteria or viruses evolved first?So, it is possible that viruses evolved before bacteria, archaea, or eukaryotes (Figure 4; Prangishvili et al. 2006). The majority of biologists now concur that RNA, not DNA, made up the initial replicating molecules.
Do viruses fit into the theory of evolution?Like cell-based life, viruses go through natural selection and evolution, and the majority of them change quickly. Two viruses may swap genetic material when they simultaneously infect a cell.
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On the model of mitchondrion, highlight the area (arrows) that is the ELECTRON TRANSPORT CHAIN in yellow.
Place an X over the protein that is inhibited by cyanide.
Color the phospholipid bilayer blue.
A special protein called ATP synthase generates ATP. Find it on the diagram and color it red
Answers
The electron transporter chain is the sequence of redox reactions that occur in the mitochondrial membrane as electrons flow through different electron transporters resulting in energy production. In the attached files you will find the image with the colored structures.
What is the electron transporter chain and how does cyanid inhibit it?
The electron transporter chain is a series of molecules and proteins located in the internal mitochondrial membrane. It constitutes a series of enzymatic reactions to release and save energy for the organism’s correct functioning.
Along the chain, there are four proteinic complexes in the membrane that contain the electron transporters and the enzymes necessary to catalyze the electrons' transference from one complex to the other.
Different redox reactions occur to pass electrons from NADH along the chain.
Released energy creates a proton concentration gradient used to synthesize ATP.
Cytochrome oxidase (P450) is one of the enzymes involved in this electron transport, which ends in producing energy. It is the complex IV.
Ion cyanide is a powerful cellular poison that inhibits cellular respiration by binding to the ferric ion of cytochrome oxidase.
Cyanide-ferric binding inactivates the enzyme and blocks electron transference. The chain is interrupted, leading to no oxygen consumption and no ATP production.
Since muscles do not get to have ATP as a source of energy, they weaken.
The interruption of the electron transporter chain produces an anaerobic state that could be culminating.
In the attached files you will find the image with the colored structures. Complex IV is the one affected by cyanide.
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Base your answers to parts a and b on the diagram below and on your knowledge of biology. Part A: explain why process 2 is important to sexual production. Part B: identify processes 1 and 3. State one difference between the cells produced by process 1 and the cells produced by Process 3.
Answers
Answer:
1. Please find the explanation to Part A below
2. Process 1 is meiosis while process 3 is cell division
3. Cells produced in process 1 are haploid while cells produced in process 3 are diploid
Explanation:
PART A:
The process 2 described in the attached image is called FERTILIZATION. It is the process whereby male gamete (sperm) unites with the female gamete (egg) to yield a ZYGOTE. This process of fertilization is important to sexual reproduction because it is the way the diploid state of an organism is restored after haploid gametes must have been formed via meiosis. In other words, haploid (n) sperm and egg unites during fertilization to yield a DIPLOID ZYGOTE (2n).
PART B:
- Process 1 in this attached image depicts MEIOSIS, which is the process whereby haploid daughter cells (gametes) are formed from the division of a diploid cell. Meiosis reduces the chromosome number of a cell by half.
- Process 3 is CELL DIVISION. The zygote formed from fertilization (process 2) undergoes series of cell division to produce the EMBRYO.
PART C:
The cells produced in process 1 (meiosis) are HAPLOID i.e. contains one set of chromosomes while the cells produced in process 3 (cell division) are DIPLOID i.e. contains two set of chromosomes
11. A person who has rickets might need
more foods from which two groups?
Answers
In addition to getting enough vitamin D, people with rickets may also need to take calcium and phosphorus supplements. These supplements can help to improve bone health and prevent further bone loss.
Here are some specific foods that people with rickets may want to include in their diet:
Milk
Yogurt
Cheese
Salmon
Tuna
Sardines
Eggs
Fortified orange juice
Fortified cereal
Tofu
Green leafy vegetables
Fortified bread
Fortified pasta
It is important to talk to a doctor or registered dietitian about the best way to manage rickets. They can help to create a personalized diet and supplement plan that will meet the individual's needs.