6C, 7A, 8B, 9C, 10B, 11C, 12A, 13C, 14C, 15B
Why can particles diffuse? Make it like a one sentence pls
[tex] - [/tex]
That's cause they have large spaces between them .
Particles can diffuse because the particles are too small and they do not have any define path, so they move from high density region to low density.
What is a particle?
"A particle is a small piece of anything. Particle can also refer to a subatomic particle with mass and structure, but takes up hardly any space at all. Particles are tiny."
What do you mean by diffuse?
"Diffuse means spread out over a large area."
What is diffusion?
“Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down the concentration gradient.”
What causes particle to diffuse?
"Diffusion occurs due to the random movement of particles. It usually happens due to a concentration gradient, meaning that molecules move from an area of high concentration to an area of lower concentration."
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Soil forms as ______ is broken down by weathering.
Group of answer choices
water
rock
humus
magma
Answer:
Humus
Explanation:
Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. This material is called leaf litter. When animals die, their remains add to the litter. Over time, all this litter decomposes
A cell is placed in a hypertonic solution. Which will most likely occur as homeostasis is maintained in the cell?
A.
The cell will gain ATP molecules.
B.
The cell will gain water.
C.
The cell will lose water.
D.
The cell will lose sodium ions.
Answer:
B the cell will lose water
Explanation:
Because of the hypertonic solution water will move on the concentration gradient leaving the cell and entering the solution. Thus the cell looses water.
When a cell is placed in a hypertonic solution, it will most likely lose water (Option C) as homeostasis is maintained in the cell.
What is homeostasis?Homeostasis is the ability of an organism or a system to maintain a relatively stable internal environment, despite changes in external conditions. It is a key aspect of biology that helps living organisms survive in their environment. Homeostasis is maintained through a series of physiological processes that regulate different aspects of an organism's biology, such as temperature, fluid balance, and pH
A hypertonic solution is one that has a higher concentration of solutes (e.g. salts) outside the cell compared to inside the cell. This creates an osmotic pressure gradient, which draws water out of the cell and into the solution in an attempt to balance the concentration of solutes on both sides of the cell membrane. As a result, the cell will shrink and lose water.
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11)
How are genetic mutations passed from parent to offspring?
Answer:
Some mutations are hereditary because they are passed down to an offspring from a parent carrying a mutation through the germ line, meaning through an egg or sperm cell carrying the mutation. There are also nonhereditary mutations that occur in cells outside of the germ line, which are called somatic mutations.
I hope it's helpful!
Answer:
★ Mutated gametes (sex cells) fuse to create offspring.
Genetic mutations or germline mutations can be defined as a permanent change in the DNA sequence of germ cells (cells, which form ovum and sperm). These mutations can pass from one generation to other when a mutated sperm or mutated oocyte (gametes) get fertilized with another oocyte or sperm.
A germline mutation, present in a single-celled zygote will present in all cells of a muticellular organism, a single-celled zygote divides and produces all of the cells in that organism.
Explanation:
Hope you have a great day :)
4.Paramecium is able to move by hairlike structures called
____
Answer:
Cilia
Explanation:
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ste
Class
Lesson Uutine
Levels of Organization
A Lite's Organisation
1. A large animal is composed of trillions of tiny
together
organisms are made of only one cell.
working
Answer:Life's Organization. 1. A large animal is composed of trillions of tiny cells working together. 2. Unicellular organisms are made of only one cell. B.
Explanation:
Sister chromatids are ____.. Single choice.
A. dense patches within the nucleus
B. bacterial chromosomes
C. joined strands of duplicated genetic material
D. prokaryotic nuclei
Option 2
Please hellppppp!
Answer:
C- joined strands of duplicated genetic material
Explanation:
key words duplicated sister
Select the item(s) that describe a producer.
1.takes energy from the sun
2.helps rot dead organisms
3.fungus
4.tall grass
5.food is mostly animal
6.plant eater
multiple choice
Answer:
3. fungus
4. tall grass
5. food is mostly animal
Scientists have different methods to help clean up oil spilla in oceana, including the use of strong chemicals and
the use of bacteria. What is an advantage of using bacteria inatead of chemicals ?
ОООО
Removal of the oil by bacteria is a slow process.
Bacteria likely cause less disruption to the natural environment
Bacteria do not produce oxygen that could harm the oceans.
Removal of the oil by bacteria is more expensive than chemical methods.
Answer: Bacteria likely cause less disruption to the natural environment.
Explanation:
Answer:
B
Explanation:
hope this helps
What peppery of water allows it to move up through a plant?
Answer:
A. Hydrogen Bonds
1. Shivering when you are cold is an example of your body trying to maintain
homeostasis.
a. True
b. False
Answer:
true
Explanation:
When the core body temperature drops, the shivering reflex is triggered to maintain homeostasis. Skeletal muscles begin to shake in small movements, creating warmth by expending energy. Shivering can also be a response to a fever, as a person may feel cold.
1. tis a system of thunderstorms which are moving around a center.
a. tropical cyclone
b. thunderstorm
c. tsunami
Answer:
B. TROPICAL CYCLONE
Explanation:
I GUESS IT IS CORRECT
the answer is
a. tropical cyclone :)
Please help due in 10 minutes!!!
Explain the 5 ways to reach Hardy-Weinberg equilibrium, does this mean evolution is occurring?
There are five basic Hardy-Weinberg assumptions: no mutation, random mating, no gene flow, infinite population size, and no selection. If the assumptions are not met for a gene, the population may evolve for that gene (the gene's allele frequencies may change).
Can someone help me fill in the blanks. Thank you.
Answer:
1) fungi
2) tubers
3)bulbs
4) unequally
5) cuttings
6)equally
7)root
8) mitosis
this my knowledge on this questions...hope i helped!
What biome is most of the small islands
i have no idea about this
Answer:
I think it's 4 or 3
Explanation:
Sorry if I'm wrong
SOMEONE PLEASE ANSWER OMG
Considering that different types of cells have different rates of mitosis,
which of the following would be a correctly finish this statement? Cell
types like skin and hair are damaged and need replaced more often than
liver cells; therefore ......
Liver cells would have MORE cells doing Mitosis and Apoptosis compared to
Skin/Hair cells
Liver cells would have LESS cells doing Mitosis and Apoptosis compared to Skin/Hair
cells
Liver cells would have the SAME amount of cells doing Mitosis and Apoptosis
compared to Skin/Hair cells
Answer:
OMGGGGHHHHVGGGGGGGGG
The codon GAG becomes GTG due to a point mutation in the DNA, affecting the structure of the protein hemoglobin. What effect does this mutation have on the individual? WILL GIVE BRAINLIEST
The individual suffers from sickle cell anemia.
The individual suffers from myotonic dystrophy.
The individual suffers from Fragile X syndrome.
The individual suffers no negative effects.
Answer:
The individual suffers from sickle cell anemia.
Explanation:
Deformed red blood cells occur in 1 in 500 African Americans. This is caused due to a gene mutation called point mutation that alters the structure of the red blood cell. This alteration affects the cell's ability to carry oxygen.
Put "Genetic Variation" in a sentence
Answer: British populations lack detectable genetic variation, suggesting a strong founder effect.
hope it will be helpful.
The sun converts nuclear energy into what type of energy?
Answer:
i would say chemical but if im wrong im super sorry!!
Explanation:
What type of material did the water most likely encounter when it stopped?
Answer:
Rocks
Explanation:
Rocks normally stop streams
what is the main product of the light-dependent reaction
Answer: The light-dependent reactions convert light energy into chemical energy, producing ATP and NADPH.
Explanation:
PLS HELP ILL MARK BRAILIEST
Spend one minute writing an explanation of
the FUNCTION of enzymes. YOU MUST USE
THE WORDS CATALYST, ACTIVATION
ENERGY, RECYCLABLE
Answer:
Enzymes help speed up chemical reactions in the human body. They bind to molecules and alter them in specific ways. They are essential for respiration, digesting food, muscle and nerve function, among thousands of other roles.
What is the function of an enzyme? They allow chemical reactions to occur at normal body temperature fast enough to sustain life. They reduce the activation energy needed to start a chemical reaction.
There are four steps in the process of an enzyme working. (1) An enzyme and a SUBSTRATE are in the same area. The substrate is the biological molecule that the enzyme will work on. (2) The enzyme grabs onto the substrate with a special area called the ACTIVE SITE.
There are four steps in the process of an enzyme working. (1) An enzyme and a SUBSTRATE are in the same area. The substrate is the biological molecule that the enzyme will work on. (2) The enzyme grabs onto the substrate with a special area called the ACTIVE SITE.
Enzymes create chemical reactions in the body. They actually speed up the rate of a chemical reaction to help support life. The enzymes in your body help to perform very important tasks. These include building muscle, destroying toxins, and breaking down food particles during digestion.
Which is the last link in the wetlands food chain?
A. Consumers
B. Predators
C. Decomposers
D. Producers
Answer:
BRO THE CORRECT ANSWER IS .... C) DECOMPOSTER
Explanation:
I KNOW IT IS SAME BUT STILL YOU CAN MARK ME AS BRAINIEST
What is often a problem when calibrating a molecular clock?
A. There are frequently not enough negative mutations to accurately calibrate the clocks.
B. There are many different clocks, each of which "ticks" at a different rate.
C. The clocks use mutations that are difficult to identify and track.
D. The frequency of crossing over is used to calibrate the clocks.
Answer:
cevabın C olduğunu düşünüyorum
If the amount of CO2 in the atmosphere increases, do we expect to record an increase or decrease in the pH of the ocean? Why?
Answer:
As the atmospheric concentration of carbon dioxide above water increases, the acidity of the water will increase causing the pH to decrease.
Mitosis is done by your body cells. What types of cells do not undergo mitosis
Answer:
Sex cells/ gametes
Explanation:
In three to five sentences, construct an argument that shows why lichens are necessary to establish a new ecosystem after an extreme disturbance.
I would really appreciate it if someone o two people would help me out on this one
Answer: Lichens affect every species in the ecosystem, in 2013 Russia had a dramatic lichen die off which caused 61,000, 20% of the entire reindeer population to die from starvation. And with fewer deers, the bears and wolves also suffered from the loss of lichens and if it takes a long time for lichens to grow back in an ecosystem, animal declines may take years if ever to be corrected. Lichens serve as a basis for several food chains, especially in artic communities.
The argument which shows why lichens are necessary to establish a new ecosystem is as follows;
Lichens are known to enable algae to live all over the world in many different climates.
On this note, lichens also provide a means to convert carbon dioxide in the atmosphere through photosynthesis into oxygen, a process required by all to survive.
Additionally, lichens provide us with valuable information about the environment around us.
On this basis, lichens are important for establishing a new ecosystem after an extreme disturbance.
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Fill in the blanks the world banks the word bank is on the picture provided below :)
Answer:
1 is pioneer species 2 is limiting factor 3 is ecological succession
Explanation:
Answer:
1) pioneer
2) limiting factor
3) ecological succession
7.Glycolysis is the process of _______.
A. adding 4 ATP molecules to produce pyruvate C. glucose molecule oxidation to form FADH and NADPH
B. breaking the glucose into 2,3 carbon molecule D. breaking the glucose molecule to produce acetyl CoA
9. The enzymatic redox reaction process in Krebs Cycle produces what molecule?
A. Cytochrome oxidase C. Oxaloacetate
B. Succinate Acetate D. Oxaloxide
10. During electron transport chain, energy from the electrons of NADH and FADH2 is used in the process
chemiosmosis to __________.
A. reduce NADH to NAD+ C. phosphorylate ADP to ATP
B. reduce FADH2 to FAD D. pump hydrogen ions across the membrane
Answer:
7. D. breaking the glucose molecule to produce acetyl CoA
8. C. Oxaloacetate
10. phosphorylate ADP to ATP
Explanation:
Cellular respiration is the metabolic process by which energy in form of ATP is obtained in a cell. However, it occurs in three major stages namely: glycolysis, Krebs cycle and electron transport chain (oxidative phosphorylation).
- Glycolysis is the process where glucose is broken down to produce pyruvate, which is then processed into acetyl coA before it enters the next stage (Krebs cycle).
- Krebs cycle is the stage where series of REDOX reactions occur to produce OXALOACETIC ACID as a final product, which accepts acetyl coA for another cycle to begin.
- Electron transport chain (ETC) uses the energy derived from the electron carriers energy NADH and FADH2 to phosphorylate ADP to ATP in a process called CHEMIOSMOSIS.
