: The three basic, structural components of a compound microscope are the head, base and arm.
•Head/Body houses the optical parts in the upper part of the microscope.
•Base of the microscope supports the microscope and houses the illuminator.
•Arm connects to the base and supports the microscope head.
The head, base, and arm are the three fundamental structural elements of a compound microscope.
Thus, Head/Body houses the optical components in the microscope's upper section. The base of the microscope holds the illuminator and supports the microscope.
Arm supports the microscope head and is attached to the base. The development of the field of microbiology brought into focus the significance of the identification, seeing, observation, and comprehension of microbes, including their structural morphologies and mechanisms.
The study of tiny creatures and agents that can only be seen and investigated under a microscope falls under the purview of microbiology.
Thus, The head, base, and arm are the three fundamental structural elements of a compound microscope.
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Not sure about the answer pls help me
NASA has discovered a new planet in a distant solar system. On this new planet, they have found a mysterious green slime. The green slime only grows at certain temperatures and under certain moisture levels. Scientists found that if they put the green slime in a freezer, it would shrink itself to maintain an internal temperature of 75°. They also found that the green slime has specialized pumps to pump out water if it gets too wet. As of yet, none of the green slime samples have reproduced, but they do appear to be growing very slowly. When looking at the green slime under the microscope, scientists can see smaller structures filled with green slime and tiny pumps. What are some reasons the green slime may be considered a living organism? What are some reasons the green slime may not be considered a living organism? Do you think the green slime is alive? Why or why not? *
Answer: The following assumptions can be made for the green slime.
Explanation:
1. The green slime has many characteristics, which indicates that these are adaptations which were used by the slime to survive. It uses pump to expel out excess water, and in freezing it can shrink itself to maintain its temperature. Thus these characteristics indicates that the green slime is living.
2. The green slime did not reproduced. This indicates that the slime was not living.
3. The slime was living because it had characteristics which enable it to survive like other living organisms.
the sequence of _____ in a dna molecule determines the protein that will be produced
Answer: gene
Explanation: The sequence of bases in a DNA molecule can determine the order of amino acids in a protein molecule. Groups of three bases called triplets represent different amino acids. This is the basis of the genetic code . A sequence of bases (genetic information) on DNA that codes for a protein is called a gene .
Which of the following best describes the product of DNA transcription
Its an RNA molecule I took the test in the 9th grade
Why is there limited vegetation in the tundra?
Answer:
Frigid temperatures, etc.
Explanation
The tundra has very low temperatures and a layer of permafrost over the soil. It has characteristics similar to the desert and it also has a short summer and a long, freezing winter. Therefore, there are not many flora variations that can thrive in that biome.
Answer:
The tundra experiences little rainfall, which makes the soil devoid of nutrients. The soil is permafrost, or permanently frozen. Both of these factors make it difficult for plants to grow in the tundra.
Explanation:
edge 2020
Which process occurs within the mitochondria?
lactic acid fermentation
alcohol fermentation
glycolysis
Krebs cycle
The correct answer is D i.e. krebs cycle occurs in mitochondria.
what is mitochondria?
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP)
what is krebs cycle?
The tricarboxylic acid (TCA) cycle, also known as the Krebs or citric acid cycle, is the main source of energy for cells and an important part of aerobic respiration. The cycle harnesses the available chemical energy of acetyl coenzyme A (acetyl CoA) into the reducing power of nicotinamide adenine dinucleotide (NADH).
it is a closed cycle which produce 8 intermediates which are;-
CitrateIsocitrateOxoglutarateSuccinyl-CoASuccinateFumarateMalateOxaloacetate (oxaloacetic acid)To know more about krebs cycle here
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HELP i dont get this at all
Answer:D
Explanation:
These are different types of cells and they do different things in ur body
Why is Earth's outer core hotter than Earth's oceanic crust? Earth's oceanic crust is denser than Earth's outer core is. Earth's oceanic crust has lava flowing from the mantle. Earth's outer core has a composition of solid iron and nickel. Earth's outer core is deeper within Earth than oceanic crust is.
Answer: Earth's outer core is deeper within Earth than oceanic crust is.
Explanation:
The Earths outer core is is known as the third layer of the Earth. It is the only layer of the earth which is liquid. and it is majorly constituting of made metals iron and nickel, as well as little constituents of other substances. The Earths outer core is responsible for magnetic field on earth. And it is hotter than the oceanic crust because it is deeper within the earth than the oceanic crust.
The core -outer core and inner core- compose the third and deepest layer of the Earth. The Earth's outer core is hotter than Earth's oceanic crust because the Earth's outer core is deeper within Earth than oceanic crust is.
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The Earth is composed of three layers known as cortex, mantle, and core.
The outer layer is the cortex, while the core is the inner layer is the core, both of them composed mainly of iron and nickel.
The core can be divided into outer core and inner core.
Near the terrestrial core, the temperature might reach up to 3,500ºC, and solid materials in these areas melt and fuse.
When fusing, materials lose density, becoming lighter and ascending again to the surface, creating the ascending currents.
Differences in temperature and density produce convection currents. Warm melted materials from the bottom are lighter and can ascend, while cold materials from the surface are denser, so they tend to descend.
Convective currents contribute to the plates' movements over the mantle and keep the surface warm, making life possible.
The heat produced in the core is responsible for the electromagnetic field.
The Earth's outer core is hotter than Earth's oceanic crust because the Earth's outer core is deeper within Earth than oceanic crust is.
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Which of the following macromolecules is CORRECTLY paired with its star organelle based on its function?
What are some uses of oil?
Answer:
to heat building and produce energy, to make products such as plastic.
Explanation:
What would eventually happen to a cell left in a hypotonic solution?
a. The cell would not change
b. The cell would shrink and shrivel
C. The cell would get bigger and eventually explode
Answer: C. The cell would get bigger and eventually explode :) hope this helps
Answer:
I am pretty sure its C
Explanation:
the cell get bigger and explodes
Which organelle should be listed under both in the diagram?
Answer:
animal and plant cells
What is the smallest unit ?
Answer: B) cell
the smallest unit of life is a cell
- The cane toad has been introduced to some ecosystems to reduce the number of
pests that damage crops. In the areas where they have been introduced, none of the
predators are immune to the protective toxins the toad produces. What is a probable
outcome from the introduction of the cane toad in the following 10 years?
Answer:
D
Explanation:
The crops will not deplete the soil. The Frog will not lose its toxin because nothing bad comes from that trait. A predator cannot adapt to a toxin in the span of only ten years. The insect population should deplete because the frog should multiply and concur the population of pests since the frog doesn't have any predators.
are insects natural resources?
Answer:
I'm not sure. Just guessing, I would say yes. They are not man made.I hope this helps! :)
Where can we find the most mountain chains in the US?
-The eastern US
-The western US
-Alaska
Answer:
the answer is the eastern US
Explanation:
good luck
choose all the answers that apply
without decomposers:
chemical nutrients would not return to the soil
dead organisms would pile up
the sun's energy could not be used
matter would not be recycled
an ecosystem is unbalanced
MULTIPLE CHOICE!!
Here are the correct answers from Odyessyware! I got 100% correct, so the answers are: dead organisms would pile up, and matter would not be recycled.
Answer:
chemical nutrients would not return to the soil
dead organisms would pile up
matter would not be recycled
an ecosystem is unbalanced
Explanation:
What is hypothesis (full explanation no copy right)
One of a carbohydrate is a building block of a plants cell wall it is
cellulose is a building block of a plant cell wall
If the cost of food increases, what can we assume about it's production? A. It has gone down. B. It has gone up. C. Nothing and D. None of the Above
Answer:
B
Explanation:
Answer:
b
Explanation:
might be wrong
find cos A if sin A=3/5
Explanation:
for sin we divide the opposite by the hypotenuse
and for cos we require the adjacent divided by hypotenuse
we can get it through
a²+ b²=c²
ur unknown in this case is the adjustment which you can either substitute with a or b
a² + 3²=5²
a²=5²-3²
a²= 25-9
a²= 16
[tex] \sqrt{a ^{2} } = \sqrt{16} [/tex]
a=4
so that now we have found that I just sent we can find the cos of A
cos A= ⅘
what do the arrows represent?
Answer:
Hope it help you
Stayhomestaysafe
Plz mark my answer brainliest✍️✍️
Explanation:
Arrows have come to represent protection and defence from any evil that can come to you. Sustenance – Arrows were used to fight enemies and to hunt food, two important aspects of sustaining life. As a result, an arrow symbolizes maintaining and protecting life.
REAL NAME - SHRESTH DUBEY
The arrows in a food chain represent the flow of energy or the transfer of nutrients between different organisms in an ecosystem.
They indicate the direction of energy transfer, showing which organism is being consumed by another. The arrow always points from the organism being consumed (prey) to the organism consuming it (predator).
The primary producers, such as plants or algae, are at the beginning of the food chain and transfer energy to herbivores (primary consumers), which are then consumed by carnivores (secondary consumers) or other higher-level consumers.
The arrows help depict the interconnectedness and energy flow within an ecosystem, illustrating the feeding relationships between organisms.
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Your question is incomplete, but most probably your full question was.
What do the arrows in a food chain represent?
In the early 1900s Germany geologist alfred wegener began to question how the structure of Earth formed over time he proposed the theory of continental drift to suggest that all continents were once connected and have drifted to their current location over time. What was the main reason that wegener theory received a lot of radical from the scientific community
Answer:
He did not give a method on how the continents moved
Explanation:
In 1912, Alfred Wegener proposed the idea that the continents are slowly drifting around the Earth. This hypothesis was known as the continental drift. Wegener proposed that the Earth rotation might have been the cause for which the continents move to separate from each other. However, nowadays it is well-known that continents are landmasses localized on tectonic plates that move and interact with each other (and it is referred to as plate tectonics).
Most areas near the equator receive ___ solar energy than the poles receive
-more
-less
If star A is red and star B is blue which star is brighter
Answer:
Star A
Explanation:
Although blue stars are hotter, red stars go through nuclear fusion faster than blue stars, which makes them give off more light :)
Make list of farm tool used in:
Land preparation
Cultivation
Plant propagation
Harvesting
Answer:
Land preparation:
This has to do with preparing the land in preparation for planting.
Farm tools used in land preparation include scrapers, ditchers, ploughs, levelers.
Cultivation:
This has to do with loosening the soil for farm use.
Farm tools used in Cultivation include: spade, shovel, rake, etc.
Plant propagation:
This is the act of growing new seeds, using different sources.
Examples of farm tools used in this operation include: propagation knife, hand pruner, sharpening stone, etc
Harvesting:
This is the process of collecting or gathering crops which were planted and have reached age of maturity.
Examples of farm tools used in this operation are hand sickle, darat, gandasa, etc.
The list of farm tools used for various uses include the following:
Land preparation-This involves preparing the land for planting. Examples of farm tools used include tractor, harrows, plough, levelers etc
Cultivation- This involves the process of preparing the soil for planting and crop cultivation. Examples of farm tools used in cultivation include spade, shovel, rake, etc.
Plant propagation- This involves different techniques which are used to grow crops using stems or leaves of plants. Examples of farm tools used include propagation knife, hand pruner, sharpening stone, etc
Harvesting- This involves the process of gathering planted crops which have reached maturity and ready for consumption and other uses. Examples of farm tools used include hand sickle, darat, gandasa, etc.
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how do the inputs of MATTER become the outputs of MATTER in cellular
respiration?
Answer: The inputs, or reactants, of cellular respiration are glucose and oxygen. The outputs, or products, of cellular respiration are water, carbon dioxide
Most functions of a prokaryotic cell are controlled by the cell's nucleus. True or false?
Answer:
False.
Explanation:
A prokaryotic cell doesn't even have a nucleus.
What is the relationship between population number and carrying capacity in a stable population
Answer:
As a population grows in an area, a population may experience the effects of increased densities. In a given area, is the maximum population size of the species that the environment can sustain is called the carrying capacity. Carrying capacity is determined by the amount of available resources (food, habitat, water).
Explanation:
hope this helps<3
Organelles help to maintain homeostasis in cells. Human cells are no exception. White blood cells have the important role of engulfing or “eating” viruses and bacteria that can make us sick. Out of the organelles listed, which one do you think white blood cells have more of then others?
a) Lysosomes because these are filled with digestive enzymes
b) Vacuoles because these can store materials
c) Ribosomes because these help to build proteins
d) Mitochondria because these help to create energy
Answer:
a) Lysosomes because these are filled with digestive enzymes
Explanation: