The major function of the endomembrane system is transporting substances in a cell .
Endomembrane system in eukaryotic cells refers to the collection of membranes found inside the cytoplasm that work as a unified developmental and functional unit.
With the aid of vesicle transport, the membranes are either directly or indirectly coupled and exchange material.
This system's primary job is to transport, pack, and alter proteins and lipids into and out of the cell.
The Golgi apparatus, lysosomes, nuclear membrane, endoplasmic reticulum, and vesicles are the principal organelles that make up the endomembrane system.
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Calculate the relative formula
mass of HNO3
63 units.
Relative formulae mass is the average mass of one molecule of an element to 1/12 of mass of a carbon 12 atom.
HNO3 is the formula for Nitric Acid. It comprises of one atom of H, one of n, 3 atoms of oxygen.
molar mass of one H hydrogen atom = 1
molar mass of one N nitrogen atom =14
molar mass of one O oxygen atom =16
molar mass of one molecule of HNO3 = 1+ 14+ 3(16) = 63
Hence the formulae mass of HNO3 is 63 units.
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molecular mass of HNO3
= mass of H atom + mass of nitrogen atom + 3 x mass of oxygen atom
=1+14+48=63u
What is known as HNO3?
Nitric acid (HNO3) is an industrial chemical used to make fertilisers and explosives. It is a colourless, fuming, and extremely corrosive liquid with freezing and boiling points of 42 and 83 degrees Celsius, respectively.
Image representing what "hno3" means
The uses of HNO3 are powerful oxidising agent is HNO3. It can be produced by ammonia being catalytically oxidised. It is a typical laboratory reagent and a crucial chemical in the production of fertilisers and explosives. Nitric acid has a PH of roughly 3.01.
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which muscle is highlighted below
Answer:
give the picture bro.....
Which word correctly fills in the blanks below?
Single-celled and many multi-celled organisms reproduce asexually by a process called _____________, which is simple cell division. In ___________, DNA is duplicated and then divided equally between two daughter cells. In ___________ in eukaryotes, the DNA is sorted into the two new nuclei formed. A separate process divides the cytoplasm in two. __________ keeps the number of chromosomes constant from one cell generation to the next.
Group of answer choices
mitosis
photosynthesis
budding
cellular respiration
Answer:
mitosis
Explanation:
Answer: a. budding
b. mitosis
c. budding
d. mitosis
Explanation:
where is resin infiltration most successfully used? group of answer choices in pits and fissures in early cavitation on interproximal surfaces on smooth surface white spots
Answer:
D) On smooth surface white spots
Explanation:
your welcome!
Suppose a double-stranded molecule similar to dna replicates itself, such that one molecule contains two old strands and the other molecule contains two new strands. Such replication would be an instance of _______ replication.
Such replication would be an instance of Conservative replication.
What is DNA replication?A double-stranded DNA molecule is copied in the DNA replication process to create two identical DNA molecules.
The need for replication arises from the fact that every time a cell splits, the two daughter cells must share the same genetic material, or DNA, as the parent cell.
A difficult process in which the DNA double helix's "parent" strands are split apart and then each is replicated to create a new (daughter) strand.
Because one strand from each parent is conserved and remains intact after replication, this mechanism is referred to as "semiconservative."
Therefore, such replication would be an instance of Conservative replication.
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3. Which bacteria can be helpful? Select all that apply.
A. Rhizobium
B. Escherichia coli
C. Streptococcal pyogenes
D. Lactobacillus acidophilus
Answer:
D and A are safeExplanation:
Both bacterias are helpful to plants and humans.
Which of these organelles are present in plant cells but not animal cells? Write all that apply.
chloroplast
cell wall
large, central vacuole
mitochondria
Passive transport into cells is driven by a concentration gradient; a greater concentration of molecules on one side of the membrane.
Which direction would oxygen move across a cell membrane if there was a greater concentration of oxygen molecules on the inside of the membrane?
Answer:
oxygen molecules move towards the outside
Explanation:
Calculate the distance the Aleutian Island chain is from the convergent plate boundary.
Group of answer choices
10 km, 0. 006 km, 166. 67 km, or 100 km
The Aleutian Island chain is 3000km from the convergent plate boundary.
Along a convergent plate boundary that extends along Alaska's southern coast and the Aleutian Islands, there is an oceanic trench known as the Aleutian Trench. From a triple junction with the Ulakhan Fault and the northern end of the Kuril-Kamchatka Trench in the west to a junction with the northern end of the Queen Charlotte Fault system in the east, the trench stretches over 3,400 kilometers (2,100 mi).
The trench is a portion of the line separating two tectonic plates. Here, the North American Plate is being subducted beneath the Pacific Plate at an angle of over 45 degrees.
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Need help answer all 5 questions asap I need to turn it in some please help giving 30 points
Answer:
Q.1: In this image water is abiotic while the animal shown here is a biotic factor
Q.2: An organism can compete for both biotic and abiotic factors which includes
Abiotic factors: Water, Light, Air, Space, etc
Biotic factors: Animals, Plants, etc
How the organism competes for resources:
Animals usually compete for resources when their needs overlap and the resources become short in an ecosystem. Animals can use different strategies to compete with other animals like Predation, symbiosis, fights, etc
Q.3: Although plants can`t move like animals, they are living as well as the biotic factor of an ecosystem. So, plants also compete for resources including water, root space, light, and minerals
Q.4: As the arctic animals usually adapted for winter. If the temperature is rising over the hundred years, these animals may be able to survive in that harsh environment by bringing many changes in their body they would be able to reduce the fur and thick skin to the thinnest and would be able to release more body heat. They would bring all these changes through evolution. On the other hand, if the changes do not happen they would all die
Q.5: The main difference between the food chain and the food web is that
Food chain:
A food chain is a simple linear sequence that explains the food strategies of a few animals in an ecosystem. It simply explains who eats whom.
Food web:
It is the combination of all food chains in an ecosystem
Your food chain and food web are not properly visible.
Make sure to post clearly
Explanation:
which type of cell junction would you expect to find anchoring the cells of the epidermis to each other. this type of junction gives the skin its ability to endure stretching and other mechanical stresses without tearing.
Desosomes are the cell junctions that we can expect to find anchoring the cells of the epidermis to each other.
In the field of anatomy, desosomes can be described as a type of cell-cell junction that is formed in between the epidermis of cells. These types of junctions are a strong place of adhesion between two cells.
Apart from linking cell to cell, they are also involved in the formation of junctions with the filament cytoskeleton and hence in this way provide mechanical stresses. The cells can stretch wothout tearing as a result of the formation of junctions by the desosomes.
Desosomes are most commonly present in the epithelium so that abrasions can be reduced.
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Where does the air go when the lungs blow up?
Polymerization and the break down of a polymer are two opposite reactions. What role does a water molecule play in both of them?
Answer:
The correct answer is option (a). A water molecule is released during polymerization, which helps in the formation of a bond, and it is added during the break down of a polymer, which helps in breaking the bond.
Explanation:
help please i neec all these questions answered
If someone received two discounts on a $50 pair of shoes the discounts were taken off one after the other if she paid 30 for the shoes what was the percent discount for each coupon
The percentage discount for each coupon was 40%.
Percentage discount: A discount that is applied to a product or service in the form of a percentage is known as a percentage discount.
Given:
Original price of the shoes = $50
Amount she paid for the shoes= $30
Discount= $50 - $30 = $20
Discount percentage= [tex]\frac{discount}{marked price} *100[/tex]
=20/50 × 100
= 40%
Hence, the percentage discount for each coupon for a person who received two discounts on a pair of shoes that cost $50, and each discount was removed one at a time, and she paid $30 for the shoes, was 40%.
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Wild tomatoes are small and green. What is one way new traits that affect size and color can occur? (5 points)
Cloning
Mutation
Irrigation practices
Asexual reproduction
One way new traits that affect size and color can occur by Mutation.
A mutation is a change in the DNA sequence of an organism. A genetic mutation is a altering to a gene's DNA sequence to get something different. It creates a permanent change to that gene's DNA sequence.
The ultimate source of all genetic variation is mutation. Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele. Mutation is important for changing the traits that can help to affect size and color. Any change in the DNA sequence of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment.
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Which is a possible result of higher air temperatures caused by climate change?
A) decrease in strength of hurricanes
B) freezing of polar ice caps
C) rapid evaporation of water in the soil
D) increase in human population numbers
Answer:
D
Explanation:
more people=more use of cars which plays a big part in climate change
Robins are a species of songbird which typically lays four eggs
in a single clutch. Larger clutches can lead to malnourished
chicks. Smaller clutches make it less likely that there will be a
viable offspring. In terms of natural selection, this is an example
of:
If larger clutches can lead to malnourished chicks and smaller clutches make it less likely that there will be available offspring, then this is an example of stabilizing selection in terms of natural selection.
What is stabilizing selection?Stabilizing selection is a special class of natural selection that tends to favor average phenotypes in order to maximize the differential reproduction and survival rate and thus increase the adaptive fitness of a population to a given environment.
Therefore, with this data, we can see that stabilizing selection can increase adaptive fitness and it represent a strategy in term of natural selection.
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The amount of cellular respiration in an ecosystem depends on the number of organisms in the ecosystem. True or false
True, the amount of cellular respiration in an ecosystem depends on the number of organisms in the ecosystem.
Cellular Respiration- The process by which sugar is broken down by the presence of oxygen inside the mitochondria in organisms (plants and animals) to release energy in the shape of ATP is known as cellular respiration. Water and carbon dioxide are waste products of this process.
ATP- A vital "energy molecule" present in all living things is adenosine 5′-triphosphate, also known as ATP and typically written without the 5′-. In particular, it's a coenzyme that transfers energy to cells via releasing the phosphate groups when it interacts with enzymes like ATP triphosphatase.
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When a tadpole changes into a Frog what Characteristic of life is that?
Answer:
Metamporhisis!
Describe the main process involved in Water Cycle
why is it difficult to study these four systems individually?
It is difficult to study the atmosphere, biosphere, hydrosphere, lithosphere and biosphere differently because they are all intricately interconnected.
What is the earth?The earth is composed of different systems. Let us note that there is always a cycling of matter in the earth. This is as a result of the movement of particles such as water and the exchange of gases. There are four distinct spheres that make up the earth and they are;
Atmosphere: This is the thin layer of gases that lie above the earth. This is the layer that holds all the gases that we can see, the exchange of gases do occur in the atmosphere.
Biosphere: This is the aspect that comprises all the living things that could be found on the earth. They are important in the flow of energy in nature via feeding relation ships.
Hydrosphere: This has to do with the water that is used by living things. Water is found in the non living environment but is very important to the survival of the biosphere.
Lithosphere: This is the solid part of the earth. It is the outermost crust on which plants grow.
It is difficult to study all these systems individually because they are quite interconnected.
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Missing parts;
in creating a model of our living planet, scientists need to consider four major earth systems. briefly describe these four systems, and then explain why it is difficult to study these systems individually.
A typical criticism of highly specialized jobs is that the employees may become bored. Which concern should you warn ancestry’s managers about in the case of its staff of genealogists?.
Ancestry's manager should be warned about the perceived monotony of its staff of genealogists.
Perceived monotony is a major workplace issue because it reduces productivity, raises the likelihood of accidents, and saps motivation.
Work monotony is when you do the same physical or mental tasks over and over again until they become tedious, tiresome, and less interesting or boring. A person may perform a monotonous job without even thinking about how they are doing it because it follows the same pattern every day.
Being creative is one of the best ways to break free of monotony. Even though you're doing the same thing, changing the way you do it can bring in new ideas. Also by increasing the autonomy of the employees, their jobs can be made more fulfilling as they will have more control over the outcome of their jobs responsibilities
Criticism refers to an expression of dissatisfaction. When criticism is constructive, it can make an individual aware of holes in their understanding and provide clear paths for progress. According to research, providing feedback and constructive criticism during the learning process has a significant impact.
A typical criticism of highly specialized jobs is that the employees may become bored. which concern should you warn ancestry managers about in the case of its staff of genealogists
a. job satisfaction
b. lack of self-efficacy in job completion
c. perceived monotony
d. emotional attachment to families being researched
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Deductive or Inductive reasoning: Insects generally survive mild winters better than
harsh ones. Therefore, insect pests will become more problematic if global
temperatures increase.
Both
Deductive
Inductive
Neither
The reasoning insects generally survive mild winters better than harsh ones and therefore insect pests will become more problematic if global temperatures increase' is an example of deductive reasoning.
What is deductive reasoning?The expression deductive reasoning makes reference to a thinking process in which the outcomes of a given observation can be used to deduce or predict new outcomes in the process of scientific reasoning.
Therefore, we can conclude that deductive reasoning can be used to understand different observations of the real world such as in this case the behavior of pests in a climate change context.
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What would happen to a plant cell if its cell wall stopped working properly?( Khan academy)
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
The cell would lose its rigid shape.
(Choice B)
B
The chloroplasts would take over the cell wall’s function.
(Choice C)
C
The cell would not be able to make sugar via photosynthesis.
Answer:
A
The cell would lose its rigid shape
Answer:
Option A ) A Cell Would Lose Its Rigid Shape
Explanation:
Cell wall is thick and rigid structure surrounded the cell membrane of plants, bacteria and fungi.
Cell wall is an essential part of a plant cell. Cell wall serves many important functions. One of this important function is withstanding the internal turgor pressure.
Water tends to enter the cell from outside environment because of concentration gradient. Most of the plant cell volume is covered by a large single membrane (called tonoplast) bounded organelle called vacuole. Water from outside moves into this vacoule and hence plant get a descent turgidity and support.
As water enter into the vacoule it exert a pressure on its wall as a reault the vacoule inturn exert a pressure on the cytoplasm and organelles. The cytoplasm stretches toward the periphery and hence a pressure is exerted on the cell membrane. This pressure is known as turgor pressure. Here cell wall come into play and help the cell to withstand this turgor pressure.
How is it possible for large animals to survive in the prairie?
The prairie provides unlimited amount of food source for larger animals.
The prairie provides unlimited amount of water for large animals to use.
O Large herbivores need a lot of sunlight found in the prairie to grow.
The prairie provides enough space and food for herbivores to grow.
Answer:
Its possible for large animals to survive in the praire because they eat other animals( smaller animals that wont harm them ) to survive.
Explanation:
Question 9
Which is a model of feeding relationships?
OA) protein building
OB) food map
OC) food web
OD) sugar molecules
Answer:
protein building
Explanation:
Because it helps the body alot for healthy growth
Help please will give brainliest to whoever answers this.
Answer:
(1) 0 N. (2) 4 N down. (3) 5 N left. (4) 4 N right. (5) 0 N.
ExplanationExplanationExplanation:
expressions equivalent to a3b3
Simplify using exponent rule with same base an . am=an+m:a3 - 3 b3 + 1Calculate the sum or differen.
For the following questions, create a Punnett square. Be sure to show the genotypes, phenotypes, and percentages for each cross.
Put the genotypes you are crossing in the light gray columns, and the expected crosses in the boxes.
In guinea pigs, black fur in dominant over white fur. Cross two heterozygous black guinea pigs. (4 pts)
Genotype: Phenotype
From the Punnett square, the genotype of the offspring produced is:
1 h0moxygous Black,BB; 2 two heterozygous black = Bb, Bb; and 1 h0moxygous white, bb; guinea pigsThe phenotype of the offspring will be:
Three Black fur guinea pigs and one White fur guinea pig.What are phenotypes and genotypes?Genotypes are the sum total of all the genes that code for a particular trait present in an organism.
The genotype is the sum of all the alleles for a gene in an organism.
Phenotype refers to the physical features of an organism as a result of the genotype of that organism.
Considering the cross between two heterozygous black guinea pigs:
black fur is dominant over white fur in guinea pigs
Let the allele for black fur be B and the allele for white fur be b
The genotype of the heterozygous black guinea pigs = Bb
The cross between the parents is as follows:
Bb * Bb
Using a Punnett square, the genotype of the offspring produced will be:
BB, Bb, Bb, bb
The phenotype of the offspring will be in the ratio 3 Blacks to 1 White guinea pig
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