Answers
Hydrophilic is water loving so this will be in direct contact with the water so it should go at two places.
The plasma membrane is AMPHIPATHIC (important word) meaning it was two sides a water loving and water fearing side. The circle is polar meaning is wants to make contact with water and the middle is non polar meaning it doesn’t want to be near water
The cell membrane is made up of the lipid bilayer that has two layers of lipid molecule, check the image for correct answers and labels:
The lipid bilayer is a thin polar membrane made of two layers of lipid molecules. These membranes make a continuous barrier around all cells and protect the cell from external toxins and molecules that cause harm.
The lipid molecule contains two layers of lipid molecule and each lipid molecule has
a polar head - hydrophilic in naturea nonpolar tail - hydrophobic in natureIn lipid bilayer of the cell, polar head groups face water, and hydrophobic tail faces each other and avoids water (check image for proper representation)
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Related Questions
Sponges are hermaphrodites, which means _____.A) two sponges produce the female reproductive function onlyB) one sponge produces both female and male reproductive functions.C) one sponge produces the female reproductive function onlyD) one sponge produces the male reproductive function onlyE) two sponges produce both female and male reproductive functions
Answers
Animals: Animal reproduction
Hermaphroditism is when a single organism can produce both female and male gametes. This makes reproduction easier, as an individual can mate with any other organism of the s
This is very common in invertebrates and is present only in sponges, but also on mollusks and earthworms.
This means that the sentence should read:
Sponges are hermaphrodites, which means one sponge produces both female and male reproductive functions.
So B is the correct answer.
the organisms that feed on dead and decaying matter are called
A. Saprotrophs
B. Autotrophs
C. Heterotrophs
D. Parasite
Answers
The organisms that feed on dead and decaying matter are called Saprotrophs.
An organism that feeds on dead and decaying organic matter is called a saprotroph. These organisms are heterotrophic, which means that they obtain their food from other sources. They are important in the ecosystem because they break down dead organic matter and recycle it back into the soil, making nutrients available to other living organisms
Answer:
A. Saprotrophs
Explanation:
Saprotrophs are organisms that obtain their nutrients by feeding on dead and decaying matter. They play a crucial role in the ecosystem by decomposing organic material and recycling nutrients back into the environment.
These organisms secrete enzymes that break down complex organic compounds into simpler substances, such as sugars and amino acids, which they can absorb and utilize for their own growth and energy needs. Examples of saprotrophs include fungi (such as mushrooms and molds) and certain bacteria.
Unlike autotrophs, which can produce their own food through photosynthesis or chemosynthesis, saprotrophs rely on external sources of organic matter for their nutrition. They actively decompose dead plants, animals, and other organic materials, aiding in the process of nutrient recycling and decomposition.
Heterotrophs, on the other hand, are a broader category of organisms that obtain their nutrients by consuming other living or dead organisms. This includes saprotrophs, as well as other types of organisms such as herbivores, carnivores, and omnivores.
Parasites, meanwhile, are organisms that live in or on other organisms, known as hosts, and obtain their nutrients from the host while causing harm or damage to it. Unlike saprotrophs, parasites typically rely on a living host for their sustenance rather than feeding on dead and decaying matter.
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1 a. What is a fruit? (2 marks)
b. State three (3) functions of a fruit. (3 marks)
Answers
Answer:
afruit, the fleshy or dry ripened ovary of a flowering plant, enclosing the seed or seeds. Thus, apricots, bananas, and grapes, as well as bean pods, corn grains, tomatoes, cucumbers, and (in their shells) acorns and almonds, are all technically fruits.
A fruit protects the immature seeds from animals and extreme climatic conditions.
It stores food material.
It attracts animals that help in dispersing or scattering the seeds to distant places.
An atom of an element neon (NE) has eight electrons in its outer shell. An atom of the element sulfur had six electrons in its outer shell.
A. Which atom is reactive?
B. Which atom is inert?
Answers
Answer:
Neon is inert
Sulfur is reactive
Explanation:
Having less than 8 electrons in the outermost shell causes atoms to be reactive and share electrons with other atoms.
I NEED HELP!! ASAP. PLEASE ANSWER QUICKLY
1. How might a field like philosophy or history help scientists?
2. Give an example of something that science cannot predict and explain why not.
3. How does the quote from Socrates, “True knowledge exists in knowing that you know nothing” relate to engineering?
4. Today, it is almost impossible to imagine a world without video games, yet not long ago they did not exist. What positive and negative social changes did they bring?
5. 3-D printers are one of the cutting edges developments in the technology of our time. How could they make their way into everyday life?
Answers
Answer:
Check the attached document. The answer is more than 5,000 characters
Explanation:
Which of the following phases of drug product development may be improved as a result of equipment, regulatory, supply, or market demands? Stage 1, stage 2, stage 3 or stage 4?
Answers
Answer:
stage 3
Explanation:
Equipment:
The set of articles or physical resources serving to equip a person or thing: such as. (1) : the implements used in an operation or activity : apparatus. sports equipment.
Types and Examples:
Types of equipmentMaterial.Agricultural equipment. List of agricultural equipment.Audio equipment.Camping equipment.Capital equipment.Cricket equipment.Diving equipment.Computers, trucks and manufacturing machinery are all examples of equipment. They are tangible because they have a physical form—unlike intangible assets (such as patents, trademarks or copyrights) that do not.Equipment is a general time with a broader definition compared to tools and equipment. It refers to a set of tools needed to perform a specific task. People often use the word equipment as the plural form of tool. In this case, a collection of tools will be called equipment
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Which of the following statements are examples of anecdotal evidence of climate change?I. Some flowers are blooming earlier every year.II. The average temperature has increased by 5°C.III. There are fewer fish spawning than 10 years ago.IV. Precipitation has increased by 10% over the past 50 years.
Answers
Anecdotal evidence means that is an observation made casually, without keeping track systematically.
Options II, III, and IV are statements that draw conclusions from data collected over the years, such as the average temperature, the rate of fish spawning, and the level of precipitation, so they are not anecdotal evidence.
But the observation that some flowers are blooming earlier every year, without any more data (such as a date range), is a casual observation, and so is anecdotal evidence.
Hence, I. Some flowers are blooming earlier every year, is the right answer.
Think about the ecosystem that you live in. Write a response below describing it in complete sentences. Use each of these terms correctly in your description: community . population • ecosystem . individual .biotic abiotic
Answers
Answer:
Within an ecosystem, we can identify different levels of organization, such as individuals, populations, communities, and the overall ecosystem.
Explanation:
An individual refers to a single organism, such as a plant or an animal, living within the ecosystem. For example, a squirrel or a tree in your ecosystem would be considered individuals.
Populations are groups of individuals of the same species that live in the same area and interact with one another. For instance, if there is a group of squirrels living in your ecosystem, we can refer to them as a population of squirrels.
Communities include all the populations of different species living together in a specific area. In your ecosystem, there might be various populations, such as squirrels, birds, insects, and plants, interacting and coexisting with one another. Together, they form a community of different organisms.
The ecosystem encompasses both the living organisms (biotic factors) and the non-living components (abiotic factors) in a given area. The abiotic factors include things like sunlight, temperature, water, soil, and air. They influence the distribution and behavior of the organisms within the ecosystem. For example, the availability of sunlight and the temperature range in your ecosystem will affect the growth of plants and the activities of animals.
An ecosystem consists of the interactions between abiotic and biotic components in a specific area. Abiotic components include non-living factors like water, air, sunlight, temperature, and soil, while biotic components include living organisms like plants, animals, and microbes.
Populations of different species of plants, animals, and microbes make up the biotic components of an ecosystem. Each individual organism, whether a plant, animal, or microbe, interacts with its biotic and abiotic surroundings. The community of different species of organisms in an ecosystem all interact with each other to obtain food, shelter, or other necessary resources.
Some species form mutualistic relationships, while others may be in competition with each other for resources. Therefore, the ecosystem that we live in is the local community of living organisms interacting with the abiotic environment. These interactions between abiotic and biotic components of an ecosystem result in complex and dynamic ecosystems that can change over time.
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What is the surface of the Earth called?
Crust
Mantel
Inner core
Outer core
Answers
Answer:
crust
Explanation:
. A researcher studies the evolutionary relationships between influenza viruses by comparing the genomic sequences of the viruses found in pigs, ducks, and humans in a given year. When evaluating the viruses that had infected these hosts the previous year, she identifies a cross-species transfer from humans to pigs. This information supports the hypothesis that cross-species transfer leads to more severe disease if during the previous year _______ suffered a severe influenza pandemic.
Answers
Answer:
pigs
Explanation:
Influenza is an infectious disease caused by influenza viruses, which can be divided into four types A, B, C and D. In humans, influenza A and B viruses are known to cause epidemics, while A viruses are known to cause pandemics. Influenza viruses are also found in birds and mammals (e.g., dogs, cats, cattle pigs and horses). Cross-species virus transmission refers to the transmission process of infectious viruses between hosts from different species. Several viruses that may cause severe diseases in humans have originated from animal species, e.g., avian influenza A virus that can be transmitted to humans through an intermediate host (e.g., pigs). Other examples of cross-species virus transmission include the Ebola virus and Hantaviruses. It has been suggested that cross-species transmission is a common phenomenon in rapidly evolving viruses.
Complete each statement about membrane protein function by dragging each label into the appropriate blank. Insulin, a hydrophilic compound, binds to a _____ site on the cell's extracellular surface, causing activation of a second messenger system on the cell's interior
Answers
Insulin is a hydrophilic compound, binds to a receptor site on the cell's extracellular surface causing activation of a second messenger system on the cell's interior.
What is Insulin?Insulin is defined as a peptide hormone produced by the beta cells of the pancreatic islets in humans encoded by the INS gene, which is considered the body's main anabolic hormone.
Insulin is an essential hormone that helps the body convert food into energy and control blood sugar levels. If a person has diabetes, the body cannot make enough insulin or use it properly.
Thus, Insulin is a hydrophilic compound, binds to a receptor site on the cell's extracellular surface causing activation of a second messenger system on the cell's interior.
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List out all the molecules involved during the process of transcription.
Answers
The process of transcription is carried out by the RNA polymerase and a number of accesory proteins called transcription factors. Of course, the DNA that serves as a template is involved, and the ribose sugars and nucleotides Adenine, Uracil, Cytosine and Guanine, that will form the RNA molecule that is being synthetized.
You are visiting Walt Disney World in July. You are extremely overheated. You are passionately driven to find a chilly, air-conditioned environment, and you won’t stop looking until you find it! The principle at work in this scenario is ____________________.
Answers
The principle at work in this scenario is referred to as Determination.
What is Determination?This can be defined as a positive emotional feeling which involves persevering towards a difficult goal despite obstacles encountered.
The individual was subjected to the extreme heat but was still very much determined to find a chilly, air-conditioned environment which makes it the most appropriate choice.
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A
B
FIG. 3.4
What is shown in the diagram?
Answers
Which statement best describes genetic material?
Answers
Answer:
Genetic material, including genes and DNA, controls the development, maintenance and reproduction of organisms. Genetic information is passed from generation to generation through inherited units of chemical information (in most cases, genes).
Explanation:
I hope this answer help you
Genetic material controls organism development, maintenance, and reproduction. Chemical units carry genetic information from generation to generation. Therefore, (B) is correct.
What is genetic material?The component of the cell that stores the information that can be passed down from generation to generation is referred to as the genetic material. The information that the cell needs in order to build proteins is stored in the genetic material, which is the genetic material's most significant function.
The development, maintenance, and reproduction of organisms are all under the control of their genetic material, which includes genes and DNA. The information contained in a person's genes is handed down from one generation to the next in the form of inherited units of chemical information.
Therefore, option (B) is correct because genes are sections of the genetic material known as deoxyribonucleic acid (DNA), which contain the instructions for making a particular protein.
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17. The tails of phospholipid molecules in the cell membrane
a
contain phosphate groups
b
are exposed to the cell's environment
С
are hydrophobic
d
are hydrophilic
Answers
Answer:
C. Are hydrophobic
Explanation:
The plasma membrane consists of phospholipids. Phospholipids have a hydrophilic head, and hydrophobic tails that are in the interior of the plasma membrane.
Need help this is a little confusing
Answers
Answer:
for the bottom section
Explanation:
1. protien synthesis, transcription, translation
2. homozygous, heterozygous
3. adenine, guanine
4 nucleotide
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answers
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
Which aspect of the human skeletal system provides forensic anthropologists with the most information about a skeleton's age?
A. the general shape and size of the eye orbits
the way that bones change position over time
the tendency of human bones to harden with exposure
the fact that specific bones exhibit sex differences
B.
C.
O D.
Answers
The aspect of the human skeletal system that provides forensic anthropologists with the most information about the age of skeletons is the fact that specific bones that exhibit sex differences. Option D
Human Skeletons and AnthropologyAmong the options provided, the aspect of the human skeletal system that provides forensic anthropologists with the most information about a skeleton's age is the fact that specific bones exhibit sex differences.
While the shape and size of eye orbits, bone position changes over time, and bone hardening with exposure can provide some information about age, determining sex differences through specific bone characteristics (such as pelvic bones, skull features, or long bone dimensions) is often more reliable and widely used in forensic anthropology to estimate the age of a skeleton.
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Lab report plasma membrane what is the purpose of the experiment
Answers
Explanation:
This experiment investigates the permeability of cell membranes to various types of sugars: polysaccharides, disaccharides, and polysaccharides. Dialysis tubing is used to simulate a cell membrane; it is permeable to small molecules and water, but not to larger molecules.
Complete the following vocabulary exercise related to DNA replication.Match the words in the left-hand column with the appropriate blank in the sentences in the right-hand column.
1. During DNA replication, an open section of DNA, in which a DNA polymerase can replicate DNA, is called a_______ .
2. After replication is complete, the new DNAs, called_______ , are identical to each other.
3. The enzyme that can replicate DNA is called_______ .
4. _________are the short sections of DNA that are synthesized on the lagging strand of the replicating DNA.
5. The new DNA strand that grows continuously in the 5' to 3' direction is called the________.
leading strand
okazaki fragments
replication fork
DNA polymerase
daughter DNA
Answers
Answer:
1. During DNA replication, an open section of DNA, in which a DNA polymerase can replicate DNA, is called a replication fork.
2. After replication is complete, the new DNAs, called daughter DNA , are identical to each other.
3. The enzyme that can replicate DNA is called DNA polymerase.
4. Okazaki fragments are the short sections of DNA that are synthesized on the lagging strand of the replicating DNA.
5. The new DNA strand that grows continuously in the 5' to 3' direction is called the leading strand.
Explanation:
Hope it helps.
DNA replication is the process by which a cell makes an exact copy of its DNA.
It is a fundamental process in all living organisms that allows for the accurate transmission of genetic information from one generation to the next. During DNA replication, the double-stranded DNA molecule unwinds and separates into two individual strands.
Each of the original strands serves as a template for the synthesis of new DNA occurs. This replication process follows a semi-conservative mechanism.
The correct options are:
Replication forkDaughter DNADNA polymeraseOkazaki fragmentsLeading strandLearn more about DNA replication, here:
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How did the carbon, hydrogen and oxygen atoms in glucose and fructose combine to form sucrose? Include in your description which atoms bonded together from fructose and glucose to form sucrose and which atoms reformed to create a water molecule.
Answers
Answer:
oxygen atom and 1 hydrogen atom from the glucose molecule and 1 oxygen atom from the fructose molecule were taken to make the water molecule The rest of the atoms in the glucose and fructose molecule (glucose 6:carbon,11 Hydrogen,5 oxygen.Fructose 6 carbon:12 Hydrogen,5 oxygen.(combine to make sucrose(12 carbon,22 Hydrogen, 11 oxygen.Explanation:
Please,i need a Brainliest.
Answer:
1 oxygen atom and 1 hydrogen atom are taken from the glucose molecule and 1 oxygen atom from the fructose molecule will make a water molecule. Everything else from the glucose and fructose molecules will make sucrose.
Persistence length for a cytoskeletal filament is the minimum filament length at which random thermal fluctuations are likely to cause it to bend. Which of the following comparisons are true, considering the persistence lengths of (a) an actin filament, (b) a bundle of cross-linked actin filaments, and (c) a microtubule
Answers
The provided question is incomplete as the group of choices were not given, however, the choices as follows:
A. (a > b) and (a > c)
B. (a > b) and (a < c)
C. (a < b) and (a > c)
D. (a < b) and (a < c)
E. (a > b) and (b > c)
Answer:
The correct answer is - D. (a < b) and (a < c)
Explanation:
The persistent length of actin filaments, a bundle of cross-linked actin filaments and microtubules can be compared on their typical persistent length.
The persistent length of actin filaments is 15 µm. And due to the crosslink with one another to make a bundle their length reduced As the actin filaments cross-link each other their persistent length will be reduced. however, it is still longer than single actin filament around 20 nm.
The persistent length of microtubules is 6mm.
So b > a, a < b and a < c.
So fourth option a < c and b > a is the correct answer.
A museum curator collects fossils from two different periods. He has 400 from one period and 204 from a later period. He plans to arrange the fossils in display cases so that each case contains the same number of fossils. Also, each case must contain fossils from only one period. What is the largest number of fossils that can be placed in each case
Answers
Answer:
4
Explanation:
Number of fossils collected over period 1:
400
Number of fossils collected at a later period :
204
For each display case to have the same number of fossils ; the greatest number of fossils possible per case:
Obtain the greatest common factor of both 400 and 204
400 = 1, 2, 4, 5, 8, 10, 25, 40, 50, 80, 100, 200, 400
204 = 1, 2, 3, 4, 6, 12, 17, 34, 51, 102
Hence, the greatest common factor (400 and 204) is 4
Hence, the greatest Number of Fossil possible per case = 4
If maize seeds are sown at a spacing of 60 cm
by 90 cm, what is the plant population of maize
expected on one hectare of farmland?
Answers
The plant population of maize expected on one hectare of farmland is 1.85 x 10000 = 18,500.
To calculate the plant population of maize expected on one hectare of farmland, we need to determine the number of plants that can be planted per square meter and then multiply that by the number of square meters in a hectare.
A 60 cm by 90 cm spacing is equivalent to 0.6 m by 0.9 m or 0.54 square meters per plant. So, one square meter can accommodate 1/0.54 = 1.85 plants.
A hectare equals 10,000 square meters (1 ha = 10000 m^2). So, if we multiply the number of plants per square meter (1.85 plants/m^2) by the number of square meters in a hectare (10,000 m^2), we get the number of plants expected on one hectare of farmland.
Therefore, the plant population of maize expected on one hectare of farmland is 1.85 x 10000 = 18,500 plants.
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If you grew up with a family pet, then you have surely noticed that they often seem to hear things that you don’t hear. Now that you’ve read this section, you probably have some insight as to why this may be. How would you explain this to a friend who never had the opportunity to take a class like this?
Answers
Answer:
force
Explanation:
you should force him so that he can hear or get the lesson you told him
heat goes from A.larger to smaller objects. b.warmer objects to cooler. c.cooler objects to warmed objects
Answers
Answer:
B: warmer objects to cooler
Explanation:
Cooler objects will absorb the heat from any warmer object it comes into contact with.
1. Explain how DNA is replicated?
Answers
Answer: The opening of the double helix and separation of the DNA strands, priming of the template strand, and construction of the new DNA segment are the three main phases in replication. The DNA double helix's two strands uncoil at a precise spot known as the origin during separation.
Explanation:
Using the molecular data, make a general statement which compares the "rabbit-whale" relationship to the "dog-pig" relationship. Does the cladogram agree with this statement? Explain your reasoning
Answers
The molecular data are not found here but rabbits and whales are linked with the dogs and pigs in a cladogram due to evolutionary relationships.
What is a cladogram?A cladogram is a graphical representation used to evidence the relationships between organisms due to a common evolutionary origin.
A cladogram is composed of a root that represents the common ancestor of the group and nodes where taxonomic groups diverge.
Cladograms based on molecular data use the homology level of nucleotide sequences of the genome to determine evolutionary relationships among individuals of different species.
In conclusion, rabbits and whales are linked with dogs and pigs in a cladogram due to evolutionary relationships.
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What was the climate like prior to the extinction ?
Answers
Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.