Answer:
Explanation:When you have photopsia, something other than visible light stimulates the retina. These artificial flashes of light are known as phosphenes. The most common cause of phosphenes is pressure on the eye. This can include rubbing the eyes, sneezing, or a blow to the head
what can California california lilacs tell us about the environment ?
Answer:
Among the important facts on California lilac is its ability to fix nitrogen in soil, which is a win-win for the home gardener and in nature. The flowers are the real showstopper. Most are in terminal clusters of deep blue, but some forms bear lighter blue, lavender or even white flowers.
"We all live
downstream"
refers to a
mantra that
means
A. save some water for
the fish
B. we shouldn't pollute
our waters
C we should only use
salt water
Answer:
i think its B
Explanation:
why do we need to follow the correct procedure in collecting sample
please don't search in Go-ogle
....................0.0
how did we get from a few thousand cells to more than a million
Answer: doubling by binary fission
Explanation:
do all caterpillars turn into butterflies or moths
How can Earth’s layers be defined? Select the two correct answers.(1 point)
by their chemical compositions
by their physical properties
by their proximities to the core
by their amounts of land area
by their asthenospheres
Answer:
By their chemical composition
By their asthenospheres
Explanation:
The earth's layers can be defined with the help of the following facts:
By their chemical compositions. By their physical properties.Thus, the correct options for this question are A and B.
What are the different layers of the earth?The structure of the earth is generally categorized into four major layers. They are as follows:
The crust.The mantle.The outer core.The inner core.Each of the above-mentioned layers has unique chemical composition. Apart from chemical composition, the physical state is also important when describing the different layers of the earth. The concentration of iron is found to be the highest in the core regions along with a little bit of nickel.
Therefore, chemical composition and physical properties are the two parameters that are used to define the different layers of the earth. Thus, the correct options for this question are A and B.
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A typical eukaryotic cell has enough available ATP to meet its needs for about 30 seconds. What is likely to happen to an individual when they exhaust their ATP supply? ATP will be transported into the cells from the circulatory system. Catabolic processes will be activated to generate additional ATP. The athlete will have to sit down and rest. Anabolic processes will be activated to produce new mitochondria.
In the case of given scenario, the catabolic processes will be activated to generate additional ATP. The correct option is B.
What are catabolic processes?Catabolic processes are the set of enzyme-catalyzed responses that disintegrate or degrade fairly large molecules in living cells.
Part of the chemical energy emitted during catabolic processes is conserved as energy-rich compounds such as adenosine triphosphate [ATP].
Thus, the correct option is B.
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the sun contributes to photosynthesis by providing plants with
Answer:
energy
Explanation:
most of the species that are yet undiscovered are probably
which types of molecules are transported by aquaporins
Answer:
Water
Explanation:
Think of aqua= water
The central dogma does not apply to some viruses. Select a specific virus or type of virus and explain how it
deviates from the central dogma.
Please respond on separate paper, following directions from your teacher.
Answer:
Explanation:huh?
What would happen if a similar diffusion/osmosis experiment were performed with plant cells instead of animal cells? would plant cells behave in the same manner?
Answer: because plant and animal cells can tolerate different concentrations of water.
Explanation:
Image result for What would happen if a similar diffusion/osmosis experiment were performed with plant cells instead of animal cells? would plant cells behave in the same manner?
Osmosis affects plant and animal cells differently because plant and animal cells can tolerate different concentrations of water. ... However, plant cells need more water than animal cells, and will not burst in a hypotonic solution due to their thick cell walls; hypotonic solutions are ideal for plant cells.
When diffusion and osmosis experiments are performed on a plant cell, the plant cell will expand because it has a rigid cell wall, which prevents it from bursting.
What are osmosis and diffusion?Osmosis is the process when molecules move from a lower concentration area to a higher concentration area.
Diffusion is the process, in which the molecules move from higher concentration to lower concentration.
When osmosis happens to the animal cells, it will fully fill and burst.
But, it will not happen in the plant cell, because it contains a cell wall.
Thus, When diffusion and osmosis experiments are performed on a plant cell, the plant cell will expand because it has a rigid cell wall, which prevents it from bursting.
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the four kingdoms and example
Can you please help me with this
Answer:
Phospholipid. look at the picture. you will see that the cell membrane is composed of a phospholipid bylair.
which machines use principles of slopes A . wheelbarrow B.crowbarC.pulley D.claw hammer E.ladder F.stair case G.contour roads
Answer:
Ladder, Staircase, Wheelbarrow,
Explanation:
5. What are the 3 components of the cell theory?
1)
2)
3)
Answer: 1. All living things are made up of cells
2. Cells are the smallest units 3. All cells come
Explanation:
A team of biologists discovers a new ecosystem with lush vegetation but no bodies of water nearby. They monitor the ecosystem for a year, recording daily rainfall during that time. Which statement best explains the lack of bodies of water in this ecosystem?
The water is permanently held in clouds.
Water stays predominantly in groundwater sources.
Evaporation transfers rainwater into the atmosphere.
Water is frozen underground instead of flowing on the surface.
The statement that best reveals the scarcity of bodies of water in this ecosystem is as follows:
Evaporation transfers rainwater into the atmosphere.Thus, the correct option for this question is C.
What is an Ecosystem?An ecosystem may be defined as a place or an area where individuals of different species live together and interact with one another for the purpose of food, shelter, and space.
A newly formed ecosystem that a team of biologists identified significantly illustrates the scarcity of water or no bodies of water near its geographical locations. The most prominent and valid reason for this claim is the rate of evaporation that converts rainwater into vapor form in the atmosphere.
The amount of water in any ecosystem may significantly be found less or completely absent when the rate of evaporation is significantly high in that ecosystem. It is based on the fact of temperature.
Therefore, the correct option for this question is C.
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severe anemia may trigger an adaptive conversion of:
Severe anemia may trigger an adaptive conversion of yellow bone marrow to red bone marrow.
Anaemia is defined as the decrease or the reduction of the oxygen carrying content of the blood which are the red blood cells.
These red blood cells and other blood cells which include the white blood cells and the platelets are produced in the body by the bone marrows by a process called haemopoiesis.
The bone marrow is divided into two:
yellow bone marrow andred bone marrow.The red bone marrow is made up of stem cells which can be converted to red cells when the need arises while yellow bone marrow is made up of fat.
During health conditions such as anaemia, there is increase in the need of red blood cells by the body.
There is usually the conversation of yellow bone marrow to red bone marrow to compensate for the increased demand of red blood cells.
This conversation is called an adaptive conversation.
Therefore,Severe anemia may trigger an adaptive conversion of yellow bone marrow to red bone marrow.
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Scientist Jennifer Mathers says that seeing an octopus use rocks to create a wall to hide behind was her “ ‘aha’ moment.” Which of the following BEST describes what she means by the phrase “ ‘aha’ moment”?
Answer:
a point in time, event, or experience when one has a sudden insight or realization:
Which function in prokaryotes and eukaryotes? (select all that apply)
1) downstream enhancer
2)RNA polymerase
3)upstream enhancer
4) DNA template strand
5) promoters
A student stepped on a big snake he cried for help and ran away, name the hormone produced in the body. In what part of the body was the hormone produced
Answer:
the boy produced Adrenaline, which is produced in the Adrenal gland.
Explanation:
most plants incorporate carbon dioxide into sugars by means of a cycle of reactions called the:
Photosynthesis is your answer.
Cells have______of enzymes to act as biological _______.
which types of animals have the highest mass-independent metabolic rates? which have the lowest?
Answer:
Ectotherms have the highest mass and the Endotherms have the lowest
I'm sorry, but I need help with my assignment. I've started but I can't seem to formulate a hypothesis and interpret it, and my biggest problem is answering the hypothesis.
Answer:
I am sorry
Your PDF is in Portuguese language.
Please send the another question with english in it.
5. Plant cells contain structures that carry out specialized energy-transfer functions that animal cells
do not carry out. Which of the following structures carries out this specialized function in plant
cells?
a. Lysosome b. Chloroplasts c. Mitochondria d. Central vacuole
Answer:
b. chloroplasts
Explanation:
chloroplasts convert engergy from the sun into energy in sugar
in which phase of the cell cycle do cells spend most of their time?
Answer:
the interphase stage....
if a cell is placed in hypotonic solution water will flow
Answer: there will be a net flow of water into the cell
Explanation: If a cell is placed in a hypotonic solution, there will be a net flow of water into the cell, and the cell will gain volume. If the solute concentration outside the cell is lower than inside the cell, and the solutes cannot cross the membrane, then that solution is hypotonic to the cell.
***
(1)
(d) Use words from the list below to complete the paragraph.
excretion
glucose
glycogen
Insulin
liver
oestrogen
3.7 shows a section through a
pancreas
secretion
starch
stomach
sucrose
The blood stream transports a sugar called
The blood sugar level has to be kept constant in the body.
If this level falls below normal, a hormone called glucagon is released into the blood by
an endocrine organ called the
The release of a substance from a gland is called
to increase the blood
Glucagon promotes the breakdown of
sugar level.
If the blood sugar level gets too high, the endocrine organ secretes another hormone
called
into the blood.
This hormone promotes the removal of sugar from the blood and its conversion to
[6]
glycogen in the
Total : 16]
2.
What type of correlations would you predict under
the trophic cascade hypothesis?
Answer:
the correlation would be negative because a change in the upper trophic level causes the opposite effect in the lower level.