Answer:
The low pH of the lysosome is maintained by membrane proteins that pump protons (H + ions ) from the cytosol into the lysosome. ... Although it may seem dangerous for cells to contain enzymes that can digest most biological molecules, the contents of the cell are doubly protected from the digestive enzymes of the lysosome.
let me know if this help
Explanation:
Membrane proteins that pump protons from the cytosol into the lysosome keep the pH of the lysosome at a low level. The contents of the cell are doubly shielded from the lysosome's digestive enzymes, despite the fact that it may seem unsafe for cells to possess enzymes that can break down the majority of biological components.
What are membrane proteins?A membrane protein is defined as a protein molecule that is joined to or connected to an organelle's or cell's membrane.
It reveal surfaces that are optimal for binding to or incorporating into membranes.
Membrane proteins can be categorized into three groups based on their functions: integral, peripheral, and lipid-anchored.
The functions of membrane proteins are:
Membrane proteins mediate actions that are essential for biological cells to thrive. Receptors facilitate communication between the cell and its surroundings, membrane-embedded enzymes catalyze chemical reactions, and transporters that are embedded in membranes carry ions and bigger solutes across membranes.Thus, membrane proteins that pump protons from the cytosol into the lysosome keep the pH of the lysosome at a low level. The contents of the cell are doubly shielded from the lysosome's digestive enzymes, despite the fact that it may seem unsafe for cells to possess enzymes that can break down the majority of biological components.
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I just need the percents of male and female for each age group! Please help if you can, I forgot how to do this.
do Lungs take up dissolved oxygen in water and exchange it for carbon dioxide.
Answer:
yes they do
Explanation:
My dad is a marine bialogist
Answer
no.
Explanation:
we can only breathe normal oxygen. if we could breathe any other type of oxygen, we could breathe underwater.
but some animal lungs can do this though. but humans can't.
hope this helped. have a good day. :)
Scientific law provides descriptions. O True O False
Answer:
true
Explanation:
Answer:
its true
Explanation:
Scientific theories explain why something happens, but scientific law describes what happens.
Flow of Endosymbiotic Theory
Answer:
The Endosymbiotic theory is the theory that “Cells evolved from previous ancient cells.”
HELP ME, PLEASE;(
describe the significance of mitosis for unicellular algae.
Answer:
Mitosis plays an important part in the life cycle of most living things, though to varying extents. In unicellular organisms such as bacteria, mitosis is a type of asexual reproduction, making identical copies of a single cell. In multicellular organisms, mitosis produces more cells for growth and repair.
Explanation:
May it helps
Which of the following is NOT true about the FemCap cervical cap?
O It must be fitted by a medical practitioner.
It can be removed, cleaned, and reinserted immediately.
O It is made of silicone and fits snugly over the cervix.
It must be kept in place at least 10 hours after intercourse.
Answer:
Explanation:
it must be kept in place at least 10 hours after intercourse
What do dermal tissues in plants do
Answer:
The dermal tissue system protects the soft tissues of plants and controls interactions with the plants' surroundings. The epidermis is a dermal tissue that is usually a single layer of cells covering the younger parts of a plant. It secretes a waxy layer called the cuticle that inhibits water loss.
Primary dermal tissues, called epidermis, make up the outer layer of all plant organs (e.g., stems, roots, leaves, flowers). They help deter excess water loss and invasion by insects and microorganisms.
(hope this helps ^^)
Information found on the chromosome of an organism would MOST affect which statement?
A.
Both an organism's phenotype and the function of the organism's cells
B.
Neither an organism's phenotype nor the function of the organism's cells
C.
The function of the organism's cells but not the organism's phenotype
D.
An organism's phenotype but not the function of the organism's cells
What appears to happen to the Moon as it goes through the phases?
Answer:
What appears to happen to the Moon as it goes through the cycle? The moon appears to change shape or get lighter and darker as it passes through its cyclic monthly phase. Why does the Moon look different at different times of the month? Moonlight is sunlight bouncing off the Moon's Surface.
Explanation:
Hope it helps sorry if I am wrong.
Answer:
The moon appears to change shape or get lighter and darker as it passes through its cyclic monthly phase. Why does the Moon look different at different times of the month? Moonlight is sunlight bouncing off the Moon's Surface.
Explanation:
If a cell's RIBOSOMES were to stop working, what would immediately happen to the
cell?
A. Energy would not be produced
B. The cell would not be able to stop things from getting in and out
C. Materials would not be transported
D. Proteins would not get made
Answer:
D. Proteins would not get made
Explanation:
According to google: If the ribosomes were not working properly then your cell would not be producing proteins. If your cell did not produce proteins enzymes would not be available to speed up reactions throughout your body, and they would also not be available to make the many organelles made with proteins such as microtubules which would cause many other problems within the cell.
Answer:
D. Proteins would not be made.
Explanation:
What happens to a microscope if placed at the edge
Answer:
If you don't, finger prints will get on it. ... Place an object on the slide and drop some water over it. Then, drop a cover slip over it at a 45 degree angle.
Explanation:
2
Which process can occur in BOTH mitosis and meiosis
A)
fertilization
B)
independent assortment
gene mutation
D
crossing over
Answer: Gene Mutation
Explanation:
Which area of Earth is most similar to the sun’s convection zone?
Answer:
The Mantle
I hope this helps
The mantle is the part which is the most similar to the sun’s convection zone. It is the second layer of Earth.
Which layer from Earth's atmosphere is convective in nature ?It is the troposphere that is convective in nature. Troposphere means the region of mixing.
The mantle is the most similar to sun's convection zone. Sun's convection zone is later dominated by the convection currents that carries energy outward to surface. Mantle is second layer of Earth.
The zone is not that dense enough to just use the radiative transfer of the energy, infact , they uses the thermal convection zones in just other words then it boils. Energy is then carried out through the thermal columns to surface of sun and later creates out areas that are seen as the solar granulation and the super granulation.
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Which of the following is NOT part of the nitrogen cycle? A. Conversion of atmospheric nitrogen into usable organic compounds by bacteria.
B.
The process of eroding rocks into sediments.
C.
Conversion of nitrogen from decaying organisms into ammonia.
D.
Conversion of soil nitrates into atmospheric nitrogen.
How was HMS Beagle’s voyage significant to science?
Answer:
The HMS Beagle was the boat that Darwin took when he sailed to the Galapagos Islands. It was on this journey that Darwin observed that the different finches on the different islands where all related, they had just evolved separately. This led him to come up with his theories of evolution and natural selection.
Explanation:
2. What do you call the environmental conditions that help balance the
ecosystem?
A. Limiting reagent
C. Limiting factor
B. Population density
D. Index of diversity
Answer:
B
Explanation:
testing ur knowledge on cats: when cats wag their tales what does that mean
A. They are hungry
B. They are happy
C. They are annoyed
D. They are thirsty
Answer:
When cats wag their tales it means that they are most likely annoyed.
Which is a carbohydrate monomer
A- Glucose
B- Sucrose
C- Glucagon
D- Glycogen
Answer:
D-Glycogen
Explanation:
Took a test
Answer:
A.
Explanation:
Monosaccharides are made of carbon, hydrogen, and oxygen (CHO). They are the monomers for carbohydrates. Any sugar is a monomer.
Which of the following describes a form of active transport?
F Oxygen transfers into red blood cells through small gaps in the cell membrane
from oxygen-rich environment surround the cells.
G Large molecules are brought into the cell by wrapping the cell membrane around
the molecules to form a vacuole.
H Water moves across the cell membrane from the side with high osmotic pressure
towards the side with low osmotic pressure.
J Membrane proteins provide a pathway for larger particles to move across the cell
membrane and bring the cell and environment closer to equilibrium.
Answer:
G
Explanation:
Large molecules are brought into the cell by wrapping the cell membrane around the molecules to form a vacuole. Membrane proteins provide a pathway for larger particles to move across the cell membrane and bring the cell and environment closer to equilibrium
How do vaccinations work to provide immunity? and What body system regulates blood glucose levels? (For a Biology exam)
Thanks :)
Answer:
it trains the body immunity towards certain diseases
Explanation:
first of all we humans have two types of wbc cells phagocytes & lymphocytes. phagocytes produces pseudopodia which is like cytoplasm that traps or catches bacteria or viruses. lymphocytes produces chemical antibodies which destroy the viruses or bacteria by attaching to the virus and burst it out. Now when u get vaccinated u train those wbc cells for future viruses and hepl them to make antibodies to defend the body.
The blood glucose gets regulated by production of insulin in pancreas to maintain proper amount of glucose in the body
In order to maintain homeostasis, the human body must be able to get rid of the waste products produced by cellular processes. The kidneys, for example, are responsible for removing waste from the bloodstream by producing urine. Urine produced in the kidneys then travels through the ureter and into bladder, and is finally expelled from the body by the urethra. The kidneys, ureter, bladder, and urethra help the body maintain homeostasis through the process of what?
Answer: process of excretion
Explanation:
Answer:
excretion on study island
Explanation:
After cooking the hot dogs, your friend's mom reminds you not to leave the grill out, or the iron (Fe) in the grill will react with oxygen (O2) in the air to produce rust (Fe2O3). a. Write a balanced equation for this reaction. Be sure to show your work.
Answer:
Explanation:
Oxygen gas and water must be present for iron to rust.
A region of the metal’s surface serves as the anode, where oxidation
occurs:
Fe(s) → Fe²⁺ (aq) + 2 e⁻
The electrons given up by iron reduce atmospheric oxygen to water at the cathode, which is another region of the same metal’s surface:
O₂ (g) + 4H⁺ (aq) + 4 e⁻ → 2 H₂O (l)
The overall redox reaction is:
2 Fe(s) + O₂(g) → 4H⁺(aq) + 2Fe²⁺ (aq) + 2 H₂O(l)
The Fe²⁺ ions formed at the anode are further oxidized by oxygen:
4 Fe²⁺ (aq) + O₂(g) 1 (4 + 2x) H₂O (l) → 2 Fe₂O₃ . xH₂O(s) + 8 H⁺(aq)
This hydrated form of iron(III) oxide is known as rust. The amount of water associated with the iron oxide varies, so we represent the formula as 2 Fe₂O₃ . xH₂O.
What animals do not have a gallbladder? What type of digestive system do they have?
Answer:
Horses, Deers, Rats all don't have gallbladers
Different species of animals are better able to digest certain types of feeds than others. This difference occurs because of the various types of digestive systems found in animals.
List the inputs and
outputs of photosynthesis.
What part(s) of the plant
are responsible for taking
in each of the inputs?
Answer:
Photosynthesis Inputs. 6H2O, 6CO2, (light) energy.
Photosynthesis Outputs. C6H12O6 (glucose), 6O2.
Light Reactions Inputs. Light (energy), ADP, Pi, NADP, H2O.
Light Reactions Outputs. O2, ATP, NADPH.
Calvin Cycle Inputs. CO2, ATP, NADPH.
Calvin Cycle Outputs. G3P.
Explanation:
PLZ HELP WILL GIVE BRAINLIEST
Answer:
A, B, and D are correct
Explanation:
I took biology
Which of the following describes a benefit of
biodiversity to an ecosystem?
A. decreases the energy flow through the ecosystem
B. increases the maximum number of trophic levels
C. increases the maximum biomass of the ecosystem
D. allows the ecosystem to withstand environmental changes
Answer:
D. allows the ecosystem to withstand environmental changes
Explanation:
One very significant importance of biodiversity is that it allows the ecosystem to withstand changes in the environment.
Biodiversity is the variation of life forms on the earth.
Due to instability in the ecosystem as a result of natural and human induced factors, a highly biodiverse system is able to tolerate these inconsistencies. A not so biodiverse system would crumble under environmental changes they cannot withstand.what are the stratigraphic principles?
Answer:
There are 6 of these...
Law of Superposition
The geologic principle that states that in horizontal layers of sedimentary rock, each layer is older than the layer above it and younger than the layer below it.
Principle of Original Horizontality
The geologic principle that states that sediments are deposited as essentially horizontal beds.
Principle of Lateral Continuity
The geologic principle that states that strata originally extended in all directions until it thinned out to zero or ended against the edges of another structure or deposit.
Principle of Cross-cutting Discontinuities
The geologic principle that states that any discontinuity that cuts across a stratum must have formed after that stratum.
Law of Inclusions
The geologic principle that states that any piece of rock that has become included in another rock or body of sediment must be older than the rock or sediment into which it has been incorporated.
Law of Faunal Succession
The geologic principle that states that sedimentary rocks that contain fossils succeed each other in specific and reliable order.
Which is nutrient that leads to
eutrophication?
A) phosphorous
B) carbon dioxide
C) oxygen
Answer:
I think a
Explanation:
Answer:
A.) Phosphorus
Explanation:
Please answer ASAP!! Will give BRAINLIEST to Right ASNWER
PLEASE BE SERIUS ITS FOR A TEST
What is the difference between extrusive and intrusive igneous rock?
Intrusive igneous rock forms below ground and extrusive igneous rock forms above ground.
Intrusive igneous rock forms above ground and extrusive igneous rock forms below ground.
Intrusive igneous rocks form when sediments are compacted together and extrusive igneous rocks form when sediments separate.
There is no difference, they both form above ground.
Answer: I'm pretty sure it's the first one
Explanation: I don't know for sure but I'm pretty sure when I learned it they said that extrusive is above ground and intrusive is below ground. Don't take my word for 100% though
Help me please I don’t understand I rlly need the answer
Answer:
True
Explanation:
I read it at biology class
