Answer:
When the concentration of molecules of a substance is the same on both sides of a membrane the solution is isotonic.
Explanation:
A given substance, when it has the same concentration on both sides of the membrane, is in equilibrium and the solution is called isotonic, from the extracellular space with respect to the cytoplasm.
The cell membrane is semipermeable to the passage of water and some substances. Hypertonic and hypotonic solutions tend to establish the dynamics of entry and exit of molecules or water, due to the concentration or osmotic gradients that are established, respectively.
An isotonic solution does not generate gradients, because the concentration of molecules is equal in the extracellular space with respect to the intracellular space.
what do u mean by sporangium
Answer:
A sporangium (plural: sporangia) is the capsule structure belonging to many plants and fungi, in which the reproductive spores are produced and stored. ... The majority of sporangia produce haploid spores through meiosis, although some are able to produce spores through mitosis.
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I need fast answer please!
Explain how 1st and 2nd law of thermodynamics applies to the trophic structure of an ecosystem?
Answer:
First law: In the ecosystem, the energy flow from lower levels of the food chain to the highest levels
Second law: During energy transference between trophic levels, the main part of the energy is lost as heat and other processes.
Explanation:
The first law of thermodynamics states that the energy can not be created or destroyed, but instead it is transformed into one type to another. Moreover, the second law states that when energy is transformed an important proportion of this energy is lost as heat, and it increases the entropy level.
In an ecosystem, the energy flow is unidirectional, it means that energy flow from primary producers to primary consumers, then from primary consumers to secondary consumers and so successively in all levels. Moreover, organisms fight against entropy by converting foods into energy (which is used to maintain order within their cells. During the feeding process, the energy intake is not 100 % efficient, it means that most part of the energy is lost as heat (approximately 90%), thereby increasing the entropy in the ecosystem.
What would happen to the sea otter population if the amount of light available to the kelp
decreased due to construction of new buildings near the coast?
HELP PLEASEEEE
Answer:
forced immagration
Explanation:
they must find the light
Why was the Cherokee writing system important?
Answer:Cherokee was one of the first American Indian languages to have a system of writing devised for it—a syllabary, so called because each of the graphic symbols represents a syllable.
Explanation:
40 points :))) please help and I will give you Dino nuggiez
Answer:
i cant see it well
Explanation:
Answer:
damage, genes, oncogenes, divide, healthy, self-destruct, damaged, Apoptosis
Why is it important to have a control group in the experimental design?
The control group is the main one because it acts as a benchmark to balance the results of the experiment.
What is control group in the experiment?Control groups are a principal aspect of true experimental designs. The presence of control groups authorizes researchers to confirm that study results are due to the drafts of independent variables rather than irrelevant variables. The control group of an experiment is a group that is not revealed to the independent variable and thus serves as a benchmark to which to compare the outcome of the experimental group. An experimental group, also known as a use of group, receives the treatment whose effect researchers wish to study, whereas a control group does not. They should be similar in all other ways.
So we can conclude that an example of a control group is a group of individuals in a detached trial that receive placebo pills instead of medication.
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Which question could best be tested using this setup? A. Do plants continue to grow in the absence of light? B. Do green plants need light for cell division to occur? C. Do green water plants release a gas in the presence of light? D. Do the roots of water plants absorb minerals in the absence of light?
Answer:
b
Explanation:
because the green plants need light or the cell division for it to work.
Answer: A. Yes
Explanation: I think so because they're looking for the light (they grow taller so they can find light)
5. Condensation
6. Evaporation
a. Liquid water changes into water vapor.
b. Water vapor changes into liquid water in the clouds.
Answer:
5 condensation - b water vapor changes into liquid water in the clouds
6 evaporation - a liquid water changes into vapor water
Explanation:
sorry if I'm wrong
Answer:
5 condensation - b water vapor changes into liquid water in the clouds
6 evaporation - a liquid water changes into vapor water
Explanation:
Do snails have brains?
Answer:
I am pretty sure that snails don't have brains. Correct me if I am wrong
Explanation:
What are the characteristics of a Prokaryotic Cell?
A:Single Cell organisms that include the domains Bacteria and Archaea.
B:Multicellular organisms that include the domains Bacteria and Archaea.
C:Single Cell organisms that include the domain Eukarya.
D:Multicellular organisms that include the domain Eukarya.
Answer:
A
Explanation:
Look at the table. Which best describes the current weather conditions in Portland?
Answer:
26°C (79°F)
Explanation:
cold and snowy
How much of the Earth’s water is usable as a freshwater resource? a. 75% b. 3% c. 100% d. 25%
Answer:
B nearly percent
Explanation:
I had the quiz
A particular triplet of bases in the template strand of a coding sequence of DNA is AAA. The anticodon on the tRNA that binds the corresponding mRNA codon is
Answer:
AAA
Explanation:
What mRNA sequence will best match the section of DNA shown below?
G – A – T – C – C – T
C – T – A – G – G – C
C – U – A – G – G – A
T – C – G – A – A – G
Answer:
C-U-A-G-G-A
Explanation:
took the quiz this question right with this answer
The mRNA sequence will best match the section of DNA shown below is C-U-A-G-G-A. Thus, option C is correct.
What is the use of reverse transcriptase?Reverse transcriptase enzyme has been generally used by the retrovirus for their genome replication. This enzyme has been discovered by the Howard tenim.
Reverse transcriptase enzyme generates the complementary DNA from the mRNA template by the process of reverse transcription. The presence of RNase H, RNA-dependent DNA polymerase and DNA-dependent DNA polymerase activity enable the enzyme to convert the mRNA into DNA.
The position of the mRNA is to carry protein facts from the DNA in a cell's nucleus to the cellular's cytoplasm (watery interior), where the protein-making machinery reads the mRNA sequence and translates every three-base codon into its corresponding amino acid in a growing protein chain.
Therefore, The mRNA sequence will best match the section of DNA shown below is C-U-A-G-G-A. Thus, option C is correct.
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GIVING BRAINLIEST TO FIRST GOOD ANSWER! A LOT OF POINTS PLS ADD EXPLANATION MARINE SCIENCE
A scientist wants to test whether the pH, salinity, or temperature of seawater impacts coral development. He sets up an experiment with three conditions:
Aquarium 1: Normal pH, normal salinity, normal temperature
Aquarium 2: High pH, high salinity, high temperature
Aquarium 3: Low pH, low salinity, low temperature
What factor would improve experimental design the most? (3 points)
Select one:
a. Eliminating Aquarium 1 since it only uses normal conditions
b. Testing one variable at a time and keeping the other two variables constant
c. Using one aquarium and changing the variables from day to day
d. Setting up the variables on a gradient in each aquarium
Answer: The answer is 1
Explanation:
g The gastrointestinal tract has 4 basic layers. Which layer is the one that comes in contact with the food that you eat?]
Answer:
Muscularis propria
Explanation:
The gastrointestinal tract has the following four basic layers:
1. Mucosa is the innermost layer
2. Submucosa is underneath the Mucosa
3. Muscularis propria
4. Adventitia is the outermost layer
Muscularis propria is the one that comes in contact with the food that you eat.
A nerve impulse is an electrical charge running across a neuron. Explain why the simulation supports this explanation.
Answer:
Sudden reversal of the electrical charge across the membrane of resting neuron
Answer:
Stimulation of a neuron causes a change in the charge inside the cell from negative to positive. This change is caused by ions, which are atoms with an electrical charge, moving across the cell. This change within the cell is consistent with the definition of an electric charge.
Explanation: PLATO ANSWER
How do the equations help explain the role of producers in the ecosystem?
Answer:
Producers are organisms that create food from inorganic matter. The best examples of producers are plants, lichens and algae, which convert water, sunlight and carbon dioxide into carbohydrates. Consumers are organisms that cannot create their food. ... The producers are the foundation of any ecosystem.
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The diagram shows how specialized body cells can develop. Which of the following best explains why cells that contain the same genetic material do not develop into the same types of cells
Answer:
Can you provide the diagram?
Explanation:
Answer:
A
Explanation:
A softball is thrown with a force of 10 N. It accelerates at 50 m/s2. What is
it's mass
Answer:
1/5 kg
Explanation:
From Newton's second law of motion:
F = ma
m = Unknown
F = 10N
a = 50m/s^2
Making m the subject of formula:
m = F/a
=10/50
=1/5kg or 0.2kg
Pls help idk remember this
Answer:
??
Explanation:
ntn showz
Which of the following best describes the role of bacterial decomposition in the ocean?
A. Bacterial decomposers consume autotrophs, impacting their occurrence in the euphotic zone.
B. Bacterial decomposers use energy from the sun to create glucose, forming the foundation of most marine ecosystems.
C. Bacterial decomposers create glucose using the energy contained in the chemical bonds of inorganic compounds.
D. Bacterial decomposers break down organic matter and recycle nutrients in the marine environment.
Answer:
D
Explanation:
took the exam
The best describes the role of bacterial decomposition in the ocean is
D. Bacterial decomposers break down organic matter and recycle nutrients in the marine environment.
What is bacterial decomposition?Bacteria are microorganisms, these tiny organisms eat organic or deed matter. They are basically decomposing this matter to clear the environment. This is called bacterial decomposition.
Thus, the correct option is D.
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b. What will happen to a red blood cell placed in a solution of 10% salt?
What is the “self”? When we say “myself” or “yourself” what are we referring to?
Answer:
when you say self you are to the body, so when you say myself you are basically saying my body, my awereness. And when you say yourself it means their body.
Explanation:
Answer:
yourself is said to another person and you say yourself mean you and my self also means you but not used the same way.
Explanation:
hope this helps.
Glad to help
MARKING PEOPL AS BRAINLIST⚠️
Why does cell size need to be limited?
Where does the DNA come from that is in the parent cell?
Answer:
Your genome is inherited from your parents, half from your mother and half from your father. The gametes are formed during a process called meiosis. Like your genome, each gamete is unique, which explains why siblings from the same parents do not look the same.
The need to be able to pass nutrients and gases into and out of the cell sets a limit on how big cells can be. The larger a cell gets, the more difficult it is for nutrients and gases to move in and out of the cell. As a cell grows, its volume increases more quickly than its surface area.
Explanation:
The need to be able to pass nutrients and gases into and out of the cell sets a limit on how big cells can be. The larger a cell gets, the more difficult it is for nutrients and gases to move in and out of the cell. As a cell grows, its volume increases more quickly than its surface area.\
And as for the DNA, your genome is inherited from your parents, half from your mother and half from your father. The gametes are formed during a process called meiosis. Like your genome, each gamete is unique, which explains why siblings from the same parents do not look the same.
What region of the Earth's layers experiences the least amount of pressure?
Answer:
Crust Region
Explanation:
Crust region of Earth's crust experiences the least amount of pressure. Above the mantle, crust is situated. It is the Earth's hard outer shell.
Photosynthesis and cellular respiration both involve the use and release of gases. Which
statement correctly identifies the role of gases in the two processes?
F Photosynthesis and cellular respiration both use carbon dioxide and release oxygen.
G Photosynthesis and cellular respiration both use oxygen and release carbon dioxide.
H Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses
carbon dioxide and releases oxygen.
J
Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses
oxygen and releases carbon dioxide.
Answer:
H
Explanation:
Cellar respiration uses oxygen and release carbondioxide, while photosynthesis uses carbondioxide and release oxygen.
HELP ASAP
When were stem cells first removed from embryos? Why is this controversial?
What are the current U.S. laws regarding embryonic stem cells? In your
opinion, should scientists continue research with stem cells, or if you had a
disease and would benefit from the stem cell therapies, would you want
scientists to continue their research?
Answer:
They should not continue with research of stem cells
Explanation:
which two processes happen during mitosis?
A. the chromosomes happen in a pattern.
B. The gametes fuse to form a zygote
C. the nucleus goes through 2 rounds of division
D. the nucleus divides only once
Answer:
C,A
Explanation:
Hopes this helps sorry if this is wrong
Answer:
A, D
Explanation: this is right 100%
what tool is most likely used to observe salt crystals
microscope
unaided eye
pan balance
telescope
Microscope where “micro” means small and scope is like a tool to see thing and salt crystals are small so be choice is microscope
what are the different parts of microscope ?A microscope is which produces large images of tiny substance and provide observer a close view of minute structures at a convenient scale for examination and analysis.
Anatomically the microscope consist of three structural parts, i.e. head, base, and arm, where head is known as the body and it carries the optical parts in the upper part of the microscope.
Base of microscope is used to support and carries microscopic illuminators and Arms connect the base and the head and the eyepiece tube to the microscope base.
The optical parts are basically applied for the view, magnify, and production of an image from a specimen placed and the various parts.
Eyepiece or ocular located at the top of the microscope with standard magnification is 10X, Eyepiece Tube which carries the eyepiece just above the objective lens.
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