The best resolution that can be achieved with light microscopes is; 200nm
What is the resolution of the microscope?The light microscope is also called optical microscope and it is a type of microscope that primarily uses visible light and a system of lenses to produce magnified images of smaller objects.
The best resolution that can be achieved with light microscopes is about 0.2 microns or 200nm because the maximum useful magnification it can provide is approximately 1,000x.
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Carbon fixation occurs in the second stage of photosynthesis, during the light-independent reactions of the Calvin cycle. In the first step of this cycle, the enzyme Rubisco adds CO2 to the energy-rich compound ribulose 1,5-bisphosphate, ultimately producing two molecules of 3-phosphoglycerate. In a culture of green alga that is carrying out photosynthesis in the presence of CO2 in the laboratory, what would happen to the levels of ribulose 1,5-bisphosphate and 3-phosphoglycerate in the minutes after the lights were turned off and the cultures were plunged into darkness
Ribulose 1,5-biphosphate will be depleted while 3-phosphoglycerate will accumulate.
Carbon fixationThe first step of the carbon fixation during which Rubisco adds CO2 to Ribulose 1,5-biphosphate to produce 2 molecules of 3-phosphoglycerate requires energy molecules from the light reaction.
In the subsequent steps, Ribulose 1,5-biphosphate is regenerated in a step that requires energy molecules from the light reaction.
Thus, in the first few minutes of turning off the light, the available energy molecule from the light reaction will be used up to produce 3-phosphoglycerate. However, the regeneration of Ribulose 1,5-biphosphate will become impossible.
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what is the likelihood of a cell firing determined by ?
The likelihood of a cell firing is typically determined by adding both the excitatory and inhibitory synaptic input.
What is a cell?A cell can be defined as the fundamental functional, structural and smallest unit of life, which is found within the body of an organism.
Generally, the likelihood of a cell firing is typically determined by adding both the excitatory and inhibitory synaptic input. Thus, the net sum of the excitatory and inhibitory synaptic input would determine whether or not a cell fires.
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When you are exposed to bright light, cells in the retina detect the stimulus and send it to the brain for processing. The brain commands the iris to constrict and decrease pupil size. Which structure serves as a receptor in this system
When you are exposed to bright light, cells in the retina detect the stimulus and send it to the brain for processing. The brain commands the iris to constrict and decrease pupil size.
The structure that serves as a receptor in this system is Retina
How can we see the object?Organisms adapted and evolved the eyes to see the surrounding environment. This ability to see begins when the visible wavelength of light enters the eye through a transparent covering called Cornea. The light enters the cornea and enters the inner of the eye through a round hole known as the pupil.
The light rays then enter the convex-shaped lens in the eye which focuses the beam of light on the back of the eye in the region of the tissue called the retina. The retina contains the photoreceptor cells-rods and cones in which the cone cells have the ability to detect three wavelengths of light especially blue, green and red which help us see various versions of the colour.
These cells convert light energy to chemical energy in the form of the action potential which gets transmitted to the part of the brain associated with the vision. This completes the pathway of the vision.
Thus, Retina is the answer.
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I need help with this assignment!
learning activity handout: cell respiration summary
Answer:
Cellular respiration is a process that all living things use to convert glucose into energy. Autotrophs (like plants) produce glucose during photosynthesis. Heterotrophs (like humans) ingest other living things to obtain glucose. While the process can seem complex, this page takes you through the key elements of each part of cellular respiration.
Explanation:
hope this helps :)
Alpa wants to change 0.54 kilometers into a smaller metric unit
If Alpa wants to change 0.54 kilometers into a smaller metric unit, she will be required to multiply.
What is a Metric unit?A Metric unit may be defined as a technique of measurement in which the basic units are the meter, the second, and the kilogram. These units are interchanged with one another by using several formulas of conversion.
The complete question is as follows:
Alpha wants to change 0.54 kilometers into a smaller metric unit. She will have to:
multiply divide addsubtractTherefore, If Alpa wants to change 0.54 kilometers into a smaller metric unit, she will be required to multiply.
For example, In case, if she wants to convert 0.54 into meters, then she has to multiply it by 1000, that is, 0.54 * 1000 = 540 meters.
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are high trochanters and high hips the same?
Answer:
no it's not same
Explanation:
are high trochanters and high hips the same?
A red pen is displayed in Roger's peripheral vision while he stares straight ahead. He correctly identifies the object but is unable to name the color. The reason for this is that: there are many rods but very few cones in the periphery of the cornea. there are many cones but very few rods in the periphery of the fovea. there are many rods but very few cones in the periphery of the retina. there are many cones but very few rods in the periphery of the retina.
The inference is that the reason was because C. There are many rods but very few cones in the periphery of the retina.
What is an inference?An inference simply means the conclusion that can be deduced from the information given.
In this case, he correctly identifies the object but is unable to name the color because there are many rods but very few cones in the periphery of the retina.
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During the postnatal stage, the various major systems in the body develop at Group of answer choices different rates, with the reproductive system reaching full development first, then the brain and other parts of the body. different rates, with the body reaching full size first, then the brain, teeth, and reproductive system developing later. different rates, with the brain reaching full development first, then dentition, then the whole body, and finally the reproductive system. the same rate, with the brain, the reproductive system, and so on all coming to maturity at the same time.
During the postnatal stage, the various major systems in the body develop at different rates, with the brain reaching full development first, then dentition, then the whole body, and finally the reproductive system. Thus, option "C" is correct.
What is postnatal stage?The postnatal stage-from infancy to childhood to the juvenile period to adolescence to adulthood-involves growth acceleration and deceleration. Childhood and adolescence are long events, in which adult behaviors are learned, individuals become completely mature, and the reproductive capacity develops.
Thus, option "C" is correct.
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If a gene has 9 codons, how many amino acids long would it be?
where is the most earths water vapor
Answer:
Most of the Earth's water vapor is in the Troposphere. Approx. 99.13%
Explanation:
The troposphere is where most clouds and weather form over the Earth.
which portion of the pituitary gland is highlighted?
The portion of the pituitary gland which is highlighted (see attachement) is referred to as posterior pituitary.
What is a pituitary gland?A pituitary gland can be defined as a small, pea-sized endocrine gland that is found under the brain (below the hypothalamus), which is responsible for the secretion of several important hormones directly into the bloodstream of a living organism.
Also, the pituitary gland controls the function of several other endocrine system glands. In this scenario, posterior pituitary is the portion of the pituitary gland which is highlighted in the image attached below.
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Monomers are single organic
compounds that can link together to
form larger compounds.
What are the lipid monomers?
A. fatty acids and mitochondria
B. fatty acids and ATP
C. fatty acids and glycerol
D. fatty acids and DNA'
Monomers are molecules of simple structure that compose the polymers. Option C. fatty acids and glycerol.
What are monomers?
Monomers are the basic unit of polymers. When many monomers join through chemical bonds they form a polymer.
There are many types of monomeric molecules. To name a few, we can mention
Monomer Polymer
• Monosaccharide ⇒ Carbohydrates
• Fatty acid ⇒ Lipids
• Amino acid ⇒ Proteins
• Nucleotide ⇒ Nucleic acids
Monomers are organic molecules of reduced molecular mass and relatively simple, defined structure.
Monomers are composed of carbon, oxygen, and hydrogen atoms, which establish covalent bonds.
In the case of lipids, fatty acids and glycerol are the composing monomers.
Lipids have a hydrophilic head composed of glycerol and hydrophobic tails composed of fatty acid chains.
The correct option is C. The lipids monomers are fatty acids and glycerol.
In the attached files you will find the image of a phospholipid.
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During inhalation, _____muscles contract to elevate the ribs. During forced exhalation, ______muscles contract to depress the ribs
External intercostals contract to elevate the ribs during inhalation while internal intercostals contract to depress the ribs during forced exhalation.
Inhalation and exhalation constitute the process of respiration.While inhalation is simply the act of breathing in, exhalation is the exact opposite, breathing out.
The intercostal muscles are muscles situated in between the ribs of an animal or a person. It is separated into:
external intercostals which are responsible for elevating the ribs when they contract during inhalation andthe intercostal muscles which play a role in depressing the ribs during exhalation.To learn more about muscles, see: https://brainly.com/question/9883108?referrer=searchResults
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The small dense region within the
nucleus is called...
A. the chloroplast.
B. the nucleolus.
C. the mitochondria.
Answer:
the nucleolus
Explanation:
i gotchu
which of the following lacks sufficient penetrating power for bulk sterilization? a. ultraviolet (uv) radiation at 260 nm.b. x rays.c. gamma radiation.d. alpha and beta particles.
Alpha and beta particles lacks sufficient penetrating power for bulk sterilization
What is Bulk sterilization?Bulk sterilization is a means of reducing contaminants using a vessels at a very high temperature.
Among the particles we have, alpha particles is known to have a low penetrating power compared to gamma radiation. Hence we can conclude that alpha and beta particles lacks sufficient penetrating power for bulk sterilization.
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how does global warming impact animals?
please answer asap
Answer:
It can Change their Lifespan if it's an insect
Explanation:
RNA consists of a fewer nucleotides then DNA, which is up to ______________.
11,000
13,000
12,000
14,000
RNA consists of fewer nucleotides than DNA, which is up to 12,000. Thus, the correct option is C.
What are Nucleotides?Nucleotides may be defined as molecules consisting of a nitrogen-containing base, a phosphate group, and a pentose sugar.
DNA molecules consist of more sequences of nucleotides compared to RNA molecules. Most of the RNA molecules consist of nucleotides of no more than a few thousand and up to 12,000.
Therefore, the correct option for this question is C.
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Oxygen is present in a what process
Answer:
redox reaction, photosynthesis
A microbiologist has a bacterial culture with 100,000 cells per mL of nutrient broth, but needs to dilute the culture with sterile nutrient broth to 1,000 cells/mL. To accomplish this, the microbiologist should dilute 1 mL of the culture to what total volume, in mL?
A. 10
B. 90
C. 100
D. 1, 000
PLEASE EXPLAIN ASAP
To accomplish the dilution the microbiologist should dilute 1 mL of the bacterial culture in 100 mL of the total volume. Thus, option C is correct.
What is dilution?Dilution is a process of decreasing the solute concentration by the addition of the solvent in the solution. The volume for the dilution is calculated as:
Given,
C1 = 100,000 cell per mL
C2 = 1000 cell per mL
V1 = 1 mL
C1 V1 = C2 V2
100,000 × (1 ÷ 1000)
= 100 mL
Therefore, 100 mL should be used to dilute 1 mL.
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2. Explain why low carbohydrate diets cause a los of fat. You must describe how aerobic cellular
respiration works in your body when you answer this question.
Low carbohydrate diets cause a loss of fat because it leads to the process called ketosis associated with burning stored fats for energy.
What is cellular respiration?Cellular respiration is the main process by which cells obtain energy by synthesizing ATP, which is mainly achieved by burning glucose (carbohydrate) molecules.
Low carbohydrate diets lead the body to a process known as ketosis where fats are converted into ketones that act as good respiratory fuels.
In conclusion, low carbohydrate diets cause a loss of fat because it leads to the process called ketosis associated with burning stored fats for energy.
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Animal phobias usually begin in __________, as do blood-injection-injury phobias and dental phobias.
Animal phobias usually begin in childhood, as do blood-injection-injury phobias and dental phobias.
What is a phobia?A phobia is an uncontrolled fear in an individual that may be triggered by traumatic situations.
Phobias are prohibitive to the well-being of an individual and therefore they should be medically treated.
In conclusion, animal phobias usually begin in childhood, as do blood-injection-injury phobias and dental phobias.
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Which statement best describes why the aerobic respiration of animals depends upon the photosynthesis of plants?
O The plants produce ATP for animals.
O The plants produce all of the nutrients animals need.
O The plants convert energy into a form usable by animals.
O The plants produce oxygen
required by the animals.
CC
the plant produce all the nutrients animals need
A comparison that does not use "like" or " as" is known as ...
hyperbole
onomatopoeia
metaphor
simile
Answer:
Metaphor is the answer.
When sugar is produced in the leaves
due to photosynthesis, they can be transported to the roots. In this example, what is the sugar sink?
A. the leaves
B. the roots
C. the sun
Read the passage from "Names/Nombres" by Julia Alvarez.
Our first few years in the States, though, ethnicity was not yet “in.” Those were the blond, blue-eyed, bobby-sock years of junior high and high school before the sixties ushered in peasant blouses, hoop earrings, serapes. My initial desire to be known by my correct Dominican name faded. I just wanted to be Judy and merge with the Sallys and Janes in my class. But, inevitably, my accent and coloring gave me away.
Which detail best conveys the main idea that Alvarez wants to fit into her new culture?
Our first few years in the States, though, ethnicity was not yet “in.”
Those were the blond, blue-eyed, bobby-sock years of junior high and high school . . .
. . . before the sixties ushered in peasant blouses, hoop earrings, serapes.
I just wanted to be Judy and merge with the Sallys and Janes in my class.
The detail that best conveys the main idea that Alvarez wants to fit into her new culture is as follows:
I just wanted to be Judy and merge with the Sallys and Janes in my class.Thus, the correct option is D.
What is Ethnicity?Ethnicity may be expressed as the sociable group a person belongs to, and either recognizes with or is determined by others, as a consequence of a mixture of cultural and other elements including the tongue, diet, belief, origin, and physical attributes traditionally associated with race.
The context of this story illustrates the difficulty faced by Alvarez to fit into the American culture as she belongs of Latin origin.
She desired to match in and be tolerated in this civilization and that's why she expresses that she wanted to connect with the Sallys and Janes in her classroom, as they had the American prototype and culture that everyone respected.
Therefore, it is well described above.
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Recall what you know about protein synthesis to answer the following questions.
RNA transfers the DNA code from the
DONE
of the cell to the
PLEASE HELP!
Answer:
RNA transfers the genetic
code from the nucleus of the cell to the cytoplasm of the cell.
Hope it helps!
Which description best explains how a Doppler radar system works?
O A. It refilects waves off of objects, measuring the difference of the waves it sends and receives.
OB.
It sends out a set of waves where each wave is preprogrammed to detect a certain kind of object.
© C It uses an antenna to measure the angle
two or more oo ects i
distant space
© D.
it uses the Doppler effect to raise trie pitch of sound waves so objects in distant space can be he:
Answer : (A) "It reflects waves off of objects, measuring the difference of the waves it sends and receives".
Explanation :
In Doppler radar system, radio waves emitted from an antenna. It gives information about the motion of targets and their position.
Phase change between a transmitted wave and received echo is calculated using Doppler radar system.
It also gives radial velocity i.e. velocity in the direction of radar. If the phase shift is positive this means the motion is toward the radar and if the phase is negative this implies the motion is away from the radar.
So, the correct option is (A) "It reflects waves off of objects, measuring the difference of the waves it sends and receives".
Within a decade of the introduction of a new insecticide, nearly all of the descendants of the target pests were immune to the usual-sized dose. The most likely explanation for this immunity to the insecticide is that…?
Answer:
mqa-vivn-jei
Explanation:
truth and dare?
Answer - d: the pests developed physiological adaptations to the insecticide
Explanation: Pests become resistant by evolving physiological adaptations that protect them from the chemical.
write a recursive function that takes a pointer to the root node of a tree t and returns a pointer to the root node of the tree that results from removing all leaves from t
The recursive function that takes a pointer to the root node of a tree t and returns a pointer to the root node of the tree that results from removing all leaves from T is given as
void removeLeaves( Node * & t )
{
if( t == NULL || ( t->left == NULL && t->right == NULL ) )
{
t = NULL;
return;
}
removeLeaves( t->left );
removeLeaves( t->right );
}
What is a Recursive Function?A Recursive function in the language of programming refers to a routine that requests services from itself directly or indirectly.
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Describe the process of ecological succession.
Answer:
Ecological Succession is the change in structure of species and community over time
