Answer:
The answer is rough endoplasmic reticulum.
Explanation:
If we apply this analogy to the cellular structures, the type of conveyor belt explained in the question represents the rough endoplasmic reticulum. Because it has a complex structure made up of membrane and ribosomes and it produces only a limited number of proteins just like the very efficient conveyor belt that produces only a few products.
I hope this answer helps.
Can someone help me please !!
Answer:
yeah OK I will be there
List the types of UV radiation
from least harmful to most
harmful.
Explanation:
UVC (100-280 nm)
UVB (280-315 nm)
UVA (315-400 nm)
The UV radiation from least harmful to most harmful is UV-A, UV-B, and UV-C. The correct option is A.
What is UV radiation?The sun and artificial sources, such tanning beds, both emit ultraviolet (UV) radiation, a type of non-ionizing radiation.
Although it helps humans in some ways, such as by producing vitamin D, there are also potential health hazards. The sun is a natural source of UV radiation for us.
UV rays come in three varieties: UVA, UVB, and UVC. Despite being the least powerful, UVA rays hasten the ageing of skin cells.
Sunburns and skin cancer can be brought on by UVB rays, which are a little stronger. Sun UVC rays are absorbed by ozone and do not go to the ground.
Thus, the correct option is A.
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Which are ways that many countries transport surface waters
Answer: Most of the surface water is transported from one place to another in two ways in general. One way being the pipelines, and the other being the conventional transportation vehicles.
Explanation: pipelines or vehicles
Explore the evidence supporting commonly held beliefs about proteins. 1. Gluten is toxic for everyone and should be avoided — no amount of gluten in the diet is considered safe. 2. Athletes and people who are very physically active need to eat a lot more protein than the average person. 3. Most Americans don't get enough protein in their diet
Answer:
Support the answer with the third point but mention not too take too much or they'd die.
Explanation:
Proteins are essential for the main physiological processes of life and perform functions in every system of the human body.
A protein’s shape determines its function.
Proteins are composed of amino acid subunits that form polypeptide chains.
Enzymes catalyze biochemical reactions by speeding up chemical reactions, and can either break down their substrate or build larger molecules from their substrate.
The shape of an enzyme’s active site matches the shape of the substrate.
A trout population grew from 4 in 1992 to 16 in 1993 and then to 64 in 1994. If it continued to grow exponentially, approximately how many trout were there in 1995?
100
Answer:
256
Explanation:
==>Trout population:
In 1992, we have 4
In 1993, we have 16
In 1994, we have 64
==>Required:
Population if trout in 1995
Thus, since we are told that the population growth is exponential, and looking at how the popuation increased from 1992 to 1994, we can see that the population increased yearly in the multiples of 4.
=> 4, 16, 64, ?
The next number in this series of exponential growth which represents the population in 1995 would be 256. I.e. (4)⁴ = 4*4*4*4 = 256
Population of trout in 1995 = 256
Answer:
256 trouts
Explanation:
There would be about 100 trouts in 1995.
When a population grows exponentially, it means that the number of individuals in the population grows at a constant proportion relative to the original population.
The population of trout according to the illustration grows exponentially by multiplying by 4 every year. Hence, if there were 4 in 1992,
by 1993: there were 4 x4 = 16 trouts
by 1994: there were 16 x 4 = 64 trouts
by 1995: there would be 64 x 4 = 256 trouts.
Assignment: lab report
Diffusion across a semi permeable membrane
Paragraph plz
Answer:
This is the movement of molecules and ions from one medium to another,based on the concentration gradients, diffusion distant and area exposed. The plasma membrane is made up of phospholipid-bi-layer, to regulate what passes through.
However,because most of the molecules that diffuses across the membrane are small,non-polar, the bi -layer can not restrain their movements. O2, CO2 and lipids cross this barrier with ease by simple diffusion. However, polar molecules are restricted from passing through..
Explanation:
a) What effects would a drier-than average summer have on a pond
ecosystem?
(b) How is this different from the effects
resulting from draining the pond?
Answer:would cause the pond to be a little more empty because of evaporation and the lack of replacement
Explanation:
Plants use sunlight to convert nutrients into energy.what form of energy transfer is taking place?
Answer:
The RADIANT energy of the Sun is converted into CHEMICAL energy by the plants.
Explanation:
The RADIANT energy of then sun is converted into chemical energy by the plants.
Which system cooperates most closely with the endocrine system?
Answer:
The nervous system
Explanation:
The brain continuously sends instructions to the endocrine system and in return receives feed back from the endocrine glands. Because of thos intimate relationship, the nervous and endocrine systems are referred to as the neuro endocrine system
A 10 kg bowling ball is lifted from the ground to a height of 1 meter. Assuming the bowling alley is on Earth, which type of potential energy is stored in a ball and why?
Answer:
961.052
Explanation:
Mass x gravity x height
WILL GIVE BRAINLIEST ANSWER TO WHOEVER ANSWERS FIRST AND CORRECT
Refer to Infographic below. On the Galápagos Islands, the finches that Darwin studied tended to have either small beaks or large beaks. The smaller beaks are best at eating soft seeds but are ineffective at cracking large seeds. The larger beaks are best at cracking hard seeds. Beaks of intermediate size are inefficient for either seed type. Use the Infographic to identify and name which result of natural selection is at work in this example.
Answer:
Disruptive selection
Explanation:
According to the infographic that is attached below showing different the three main types of selection that occurs as a result of natural selection taking its course on any population, we can draw our conclusion regarding the information given to us from the question.
From the question above, it states that the finches studied by Darwin are majorly finches with either small beak or large beak which are all adapted to suit the type of food available for the finches in the islands. Whereas, finches with intermediate beaks are favored against.
According to the infographic, disruptive selection can be said to have taken place as extreme traits are favored against intermediate traits on the islands.
Q.17 Which of the following cell types would you expect to be abundant with endoplasmic
reticulum and Golgi bodies?
I. Plasma B cells (produce antibodies)
II. Adipose cells (store fats)
III. Islet of Langerhans cells (secrete insulin)
IV. Red blood cells (transport oxygen)
A) I and II only
C) I and III only
B) III and IV only
D) II and III only
Answer: D.
The E. reticulum and Golgi bodies are concerned with secretion and synthesis of molecular substances e.g protein , lipids and steroid. Therefore these cellular organelles should contain Plasma B cells and Islets of Langerhans. for protein hormone synthesis(insulin) and antibodies production
Explanation:
3. Which of these organs is directly involved in
synthesis of red blood cells in an adult?
A. Liver
B. Spleen
C. Bone marrow
D. Lymph nodes
EASY QUESTION! An object has a density of 2.5g/cm. Will this sink or float in water?
Answer:
it will sink
Explanation:
water has density of 1 g/cm³
the object has density 2.5 g/cm³
It will sink in water as much more dens
Answer:
The object will sink.
Explanation:
The density of water is 1 g/cm^3
The density of the object is 2.5 g/cm^3
---which is greater than that of water.
Compare the mass of the two objects.
Which statement accurately describes the mass of the watermelon?
The mass of the watermelon is less than 2 kg.
The mass of the watermelon is equal to 2 kg.
The mass of the watermelon is greater than 2 kg.
Answer:
greater than
Explanation:
the mass of an object is basically how big the watermelon is. usually, watermelons weigh more than 9 kg. imagine going to walmart and picking up a watermelon. at first glance, its purty huge. of course the the mass of an object, the more the weight of said object. since watermelons are pretty big, the overall mass is going to be big as well.
The mass of object is greater than other watermelon.
What is mass of Object?The mass of an object is basically how big the watermelon is. usually, watermelons weigh more than 9 kg. imagine going to walmart and picking up a watermelon.
At first glance, its purty huge. of course the the mass of an object, the more the weight of said object. since watermelons are pretty big, the overall mass is going to be big as well.
Although weight and mass may appear to be the same thing, they are actually completely different quantities. The total quantity of substance, or "stuff," in an item is its mass. Gravitational pull is what gives a thing weight.
Therefore, The mass of object is greater than other watermelon.
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Is a glucose molecule a monomer of starch and cellulose?
Answer:
Starch and cellulose are two very similar polymers. In fact, they are both made from the same monomer, glucose, and have the same glucose-based repeat units.
Explanation:
In each of the scenarios, an individual heterozygous for the indicated gene or genes is crossed with an identical heterozygous individual. Predict the number of different phenotypes that would be observed among the progeny of such a cross.
Scenario 1: R is completely dominant to r.
Scenario 2: R is incompletely dominant to r.
Scenario 3: R and s are completely dominant to rand s, respectively: R and S are linked by 10 m.u. and don't interact with each other.
Scenario 4: Genes R and S perform the same finction: R and S are completely dominant to r and s, respectivley' and R and S are unliked.
Scenario 5: R and S are completely dominant to r and s, respectively; R and S are unlinked show dominant epistasis.
When blood glucose levels rise above the normal range, the pancreas secretes ________, but when blood glucose levels fall below the normal range, the pancreas secretes ________. a.insulin; glucagon b.epinephrine; glucagon c.glucagon; insulin d.epinephrine; insulin e.glucagon; glycogen
The beaker contains a 25% salt solution and the bag contains pure water. What is the concentration of water in the beaker
Answer:
75%
Explanation:
100-25=75%
________1. The part of a photosystem that absorb light energy is its:
A. Thylakoid lumen C. Reaction center
B. Pigment –building protein D. Antenna complexes
Answer:
A. thylakoid lumen
Explanation:
option A is correct answer
If you place a paper towel in water, the water will move across the paper towel. Which of the following properties best explains why?
Answer:
- both cohesion and adhesion
Answer:
Both cohesion and adhesion
Which of the following is the best definition for a macromolecules
Answer:
There are no answers to choose from.
Explanation:
However, the prefix macro- means big, so the word macromolecule means large molecule. Macromolecules are also known as the molecules of life, they all contain carbon. The four macromolecules are carbohydrates, proteins, lipids, and nucleic acid. Carbohydrates are used as a quick energy source, they can be broken up into monosaccharides, dsaccharides, and polysaccharides. Proteins are used as catalyst to help speed up chemical reactions. Lipids are also known as fats, they can either be saturated or unsaturated. Nucleic acids contain information.
Examples of each:
Carbohydrate- Gluten
Protein- Lactase
Lipid- butter, or oil
Nucleic Acid- DNA or RNA
The best definition for a macromolecules is the most abundant elements found in living cells. The correct option is d.
What are macromolecules?A macromolecule, such as a protein or nucleic acid, is a very large molecule that is important in biophysical processes.
It is made up of thousands of atoms that are covalently bonded. Many macromolecules are polymers composed of smaller molecules known as monomers.
Macromolecules are essentially polymers, which are long chains of molecular subunits known as monomers.
Long polymers are found in carbohydrates, proteins, and nucleic acids. They are classified as macromolecules due to their polymeric nature and large size.
Macromolecules are made up of monomers, which are single units joined together by covalent bonds to form larger polymers. The most abundant elements found in living cells are the best definition for macromolecules.
Thus, the correct option is d.
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Your question seems incomplete, the missing options are:
a. a trace element
b. a vitamin
c. an organic molecule necessary for life
d. the most abundant elements found in living cells
The four organic molecules are listed below. Which ones do you get from the foods you eat? Check all that apply.
Carbohydrate
Nucleic Acids
Proteins
Lipids
Answer:
Carbohydrate, proteins, and lipids
Explanation:
The organic molecules that can be derived from eating foods are carbohydrate, proteins, and lipids.
Carbohydrates are general derived from starchy foods such as grains, proteins are derived from eating of foods that are rich in proteins such as meat, milk, etc, while lipids are derived from eating fat/oil-based foods such as butter, avocados, etc.
Nucleic acids are not derived directly from foods. They are monomers of proteins and hence, they are only derived from breaking down proteins.
Explain why hormones are able to travel through the body but only affect certain cells.
Answer:
Hormones are able to travel the body but only affect certain cells because only those target cells have receptors for that particular hormone. Some hormones bind to receptors on the surface of target cells. Others enter the cells and bind to receptors in the cytoplasm or nucleus.
High levels of mercury contamination have entered the aquatic ecosystem primarily through:
a
Medications like vaccines which contain mercury and subsequently enter the drainage systems through human waste.
b
Emissions from coal burning power plants which then rain down on waterways.
c
Merurcury solutions which are used in plastic production and then disposed of through waste water.
d
Paper productions which uses mercury in a bleaching process to whiten the paper.
Answer:
The answer is B. Emissions from coal burning power plants which then rain down on waterways hopefully this helps!
what will happen when tendons is removed
Answer:
Tendon release, also known as tenotomy, is a surgical procedure that involves cutting through or disconnecting a tendon to allow for a greater range of movement.
The procedure is used to relieve tight or shortened muscles. In some cases, the tendon is re-routed to maintain muscle function.
This procedure is usually reserved for conditions that don’t respond well to conservative nonsurgical treatments. Tendon release surgery is ideal for infants with clubfoot, or for older patients who develop tightened or shortened muscles due to cerebral palsy or other neuromuscular disorders.
Most rain Falls where on earth
Answer:
areas near the equator
Explanation:
because they receive sunlight thorought the year by which there is much evaporation where by water vapour condenses and much rain falls
Which of these is an autosomal recessive disorder?
Answer:
what are the options?
Explanation:
Examples of autosomal recessive disorders are :
Cystic fibrosis
Sickle cell anemia
Tay Sachs disease
Answer:
Huntington’s disease
Explanation:
It was the answer between
A. Huntington’s Disease
B. Cystic fibrosis
C. Muscular Dystrophy
D. Sickle-cell anemia
Which answer below correctly identifies the type of change and the explanation for the separation of the iron with sulfur? physical change because even though a color change occured, each solid maintained its original properties, which could be seen as soon as the magnet was applied physical change because no temperature change was observed, which would be an indicator of chemical change chemical change because a color change was observed, which indicated that a new substance was formed chemical change because the results depended on the interaction of two substances
Answer:
[tex]\boxed{\mathrm{view \: explanation}}[/tex]
Explanation:
Physical change because even though a color change occured, each solid maintained its original properties, which could be seen as soon as the magnet was applied.
Speration of iron with sulfur will not change the properties of the metals, the magnet can be used to check. The color overall changes.
A physical change where each solid maintained its original properties when the magnet was applied is an explanation for the separation of the iron with sulfur. Therefore, the correct statement is option A.
What is physical change?The separation of iron from sulfur is an example of physical change. A physical change is a change in the physical state without the change in its chemical composition. The iron and sulfur can be physically mixed together and are both solids.
When a magnet is applied, the iron is attracted towards magnet, thereby, separating itself from the sulfur which is also a physical change, as it only causes a change in the appearance not in the chemical composition.
However, chemical changes are due to a change in the chemical composition of a substance that results in the formation of a new substance.
Therefore, physical change is an explanation for the separation of the iron with sulfur.
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