B - The environment within the cell is stable.
Homeostasis is when your body works to maintain equilibrium (balance) so within a cell, the cell would be stable
Answer:
I think its B
Explanation:
Homeostasis is the act of maintaining everything so its the same, like body temp.
Can someone pls help me with this (8th grade science)
Answer:
A
Explanation:
As he kicks the ball the speed increases, where he kicks the ball also is a factor, since he kicks it in the same direction that is why it is choice A.
Copies of chromosomes are called____
1) platelets.
2)sister chromatids.
3)stem cells.
4) macrophages.
Answer:
option 2
Explanation:
because there divide
These types of trees have their leaves modified into needles to help
reduce water loss?
Answer:
Coniferous trees
Explanation:
They are mainly found in cold regions
What is the source of oxygen as a reactant in cellular respiration?
Answer:
The Reactants
What goes into the cell? Oxygen and glucose are both reactants of cellular respiration. Oxygen enters the body when an organism breathes. Glucose enters the body when an organism eats.
Explanation:
Hope this helped, Thanks :)
Cellular respiration has been the chemical process that uses glucose to produce energy. Oxygen is the reactant of the process that comes from the air (breathing) produced by photosynthesis.
What is cellular respiration?Cellular respiration has been defined as the process vital for living organisms that use oxygen and sugar molecules to produce energy to drive the activities and functions of the body. The reactant of the process includes glucose and oxygen gas.
Oxygen and sugar are known to be the product of the photosynthetic reaction that uses carbon dioxide and water. The oxygen gas is present in the atmosphere and enters the body through breathing.
Therefore, oxygen acts as a reactant in cellular respiration that comes from the breathing process.
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Structure and Properties of Matter:Question 9
In which two states of matter can a substance take the shape of its
container?
Select one:
O
Liquid and gas
O
Gas and crystal
O
Sod and gas
O
Solid and liquid
Answer:
Liquid and gas
Explanation:
Liquid and gases can take the shape of their contains.
Liquids have not fixed shape and they readily flow.
Gases are random and they occupy the contains they fill .
Volume is the amount of space occupied by a substance. Gases can take up any amount of space in a container. Liquids can readily flow and take up spaces too. Solids are fixed and have a definite volume.4.
______ describes the average conditions of our atmosphere over a long period
of time.
Answer:
The answer is Climate.
what is the fundamental unit of matter?
the atom is the fundamental unit of matter.
(hope this helps ^^)
5. Describe the different causes of climate change.
Answer:
natural factors, changes in the sun, emissions from volcanoes, variations in Earth's orbit and levels of carbon dioxide.
Explanation:
Stand and let your hands hang next to your sides for a few minutes. Then, look at the backs of your hands. Do you see any bumps on the surface on top of your veins? What might those be, and what are their function?
When you stand and let your hands hang next to your sides for a few minutes, the bumps you see on your veins are the valves that help move blood to the larger veins.
What we know about vein valves.There are valves located throughout the veins in our bodies. Most of these are located in points where smaller venules fuse with the larger veins.
Their function is to prevent blood from flowing back into the smaller veins, thus helping with the normal blood flow of the body.
Given that the veins in our bodies are littered with small valves to help the blood return to the heart correctly, we can confirm that these are the small bumps that we can see when letting our hands down for a few mins, as they fill with the blood they try not to let flow back into the smaller veins.
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Which element is not found on most main sequence stars?
Answer:
Nitrogen is the right answer.
Recall what you know about nervous tissue to answer the following questions. Nervous tissue can generate and conduct ____ signals that control the body.
answer choices are:
chemical
electrical
thermal
Answer:
Nervous tissue can generate and conduct electrical signals that control the body.
Explanation:
The neuron is the specialized cell that provides function to nerve tissue. Given the structure of the neuron, this cell is capable of creating and conducting information in the form of electrical impulses or signals, by depolarizing its cell membrane and generating action potentials.
The information generated and transmitted by the neurons allows the nervous system to obtain internal and external information of the organism, as well as to control all the body functions.
The other options are not true because nerve tissue does not generate or conduct thermal or chemical signals to perform its function.
Answer:
Part 1: electrical
Part 2: A, B, E
Explanation:
did it on edg.
When you mix salt with water in a beaker, the salt is no longer visible. What
happens to the salt?
A. The salt changes state from a liquid to a gas.
B. The salt reacts with the water to make a new substance.
C. The salt dissolves in the water.
D. The salt is destroyed by the water.
please help, i’ll mark brainliest if you get it right! please please only answer if you know the answer though, don’t guess i’m taking a test and i can’t fail as it’s the last one before the quarter ends ( tomorrow ) id appreciate it!! thank youuu
Answer:
C. The salt is dissolved by the water
Explanation:
When ionic compounds dissolve in water, the individual ions separate and get surrounded by water molecules—a process called solvation. Because the salt ions are charged, they dissolve much better in a polar solvent, which is also slightly more charged than a nonpolar solvent
Hope this helped, Have a Great Day!!
Which statement correctly describes the reason for the high specific heat of water?
A.) Water has unusually strong hydrogen bonding. These bonds require extra energy to break. Therefore, water has a high specific heat.
B.) The oxygen and hydrogen atoms in water molecules are bonded together with strong covalent bonds. The bonds require extra energy to break. Therefore, water has a high specific heat.
C.) Water is made of ions. The attraction between ions requires extra energy to break. Therefore, water has a high specific heat.
D.) The oxygen and hydrogen atoms in water molecules are bonded together with strong ionic bonds. The bonds require extra energy to break. Therefore, water has a high specific heat.
The answer is A.) Water has unusually strong hydrogen bonding. These bonds require extra energy to break. Therefore, water has a high specific heat.
What is the process depicted in this figure and why is it important?
Answer:
The correct answer is - antigenic shift due to mutation.
Explanation:
In this image, there is a representation of the antigenic shift or change takes place to evolve to a new strain of influenza virus from the original virus that has a different antigen on the surface of the virus than the new strain. In this image it is shown that the surface H antigens went through a shift to form a new strain while N antigen remain the same.
This is important to adapt and evolve according the internal environment of the host show this type of mutation requires if moving from one host to another (human to pigs).
Which process is similar to binary fission?
Answer: mitosis
Explanation: Binary fission is similar to mitosis in the way that the process ultimately leads to the production of two identical daughter cells. However, they differ in many aspects. While binary fission is for reproductive purposes mitosis is primarily for growth in multicellular organisms.
Pls state lamarck's theory
Answer:
Lamarckism, a theory of evolution based on the principle that physical changes in organisms during their lifetime—such as greater development of an organ or a part through increased use—could be transmitted to their offspring
Where are coral reefs located?
A. estuaries
B. neritic zone
c. intertidal zone
D. oceanic zone
Answer:
c
Explanation:
intertidal zone
_____ allow the stomach to stretch. A. Gastric glands B. Palatines C. Gastric rugae D. Villi
Answer:
C) Gastric Rugae
Explanation:
Rugae both allow the stomach to stretch in order to accommodate large meals and help to grip and move food during digestion.
Answer:
C. Gastric Rugae
Explanation:
The inner layer of the stomach is full of wrinkles known as rugae (or gastric folds). Rugae both allow the stomach to stretch in order to accommodate large meals and help to grip and move food during digestion.
what do you think causes different phenotypes in organisms how does the phenotype depend on its genes (genotype)
Answer:
They difference in phenotypes is dependent on the genes. The more dominant gene will overpower a recessive gene, or if there are two recessive genes together, that will be the phenotype. When things are cross breaded they introduce different genotypes that allow for different looking phenotypes.
Example: Dominant blue flower (Bb) mixed with recessive yellow flower (bb)
B b
b Bb bb
b Bb bb
There is a 50/50 chance the offspring will be either blue or yellow
The differences in phenotypes are determined by genes. The more dominant gene will completely overwhelm a recessive gene, or if two recessive genes coexist, the phenotype will be that. When things are crossbred, unique genotypes are introduced, allowing for different-looking phenotypes.
What is phenotype?A "phenotype" is simply an observable trait. "Pheno" simply means "observe," and it derives from the same root as "phenomenon."
The differences in phenotypes are determined by genes. The more dominant gene will completely overwhelm a recessive gene, or if two recessive genes coexist, the phenotype will be that.
When things are crossbred, unique genotypes are introduced, allowing for different-looking phenotypes.
Thus, in this way, phenotype is dependent on genotype of the organism.
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Where dose plastic come from?
Answer:
Plastics are derived from natural, organic materials such as cellulose, coal, natural gas, salt and, of course, crude oil. Crude oil is a complex mixture of thousands of compounds and needs to be processed before it can be used. The production of plastics begins with the distillation of crude oil in an oil refinery.
Explanation:
What is insulin and why do people with Type 1 diabetes need it to survive?
Answer:
Insulin is needed to move blood sugar (glucose) into cells. Inside the cells, glucose is stored and later used for energy. With type 1 diabetes, beta cells produce little or no insulin.
Which of the following shows a correct base pairing in DNA?
A and G
T and G
C and A
Gand C
Answer: G and C
Explanation: DNA carries the hereditary information for organisms. W ithout DNA, our species would be unable to pass traits from generation to generation. DNA controls all aspects of an organism. It tells spiders how to spin webs, birds to lay eggs, and what color to make your eyes. The genetic information in DNA is stored as special chemical sequences, called chemical bases. The chemicals bases are adenine (A), guanine (G), cytosine (C), and thymine (T). Each base connects with another to form base pairs. Adenine always pairs up with thymine. Cytosine always pairs up with guanine
Match the columns and chose the correct option. Column A Column B 1.The male reproductive part of a flower i) sepal 2. The female reproductive part of a flower ii) stamen 3. The part of the flower which protects it in bud stage iii) ovules 4. Part of a flower which develops into a seed iv) carpel
Explanation:
1.Stamen
2.carpel
3.sepal
4.ovules
Plz help I don’t know the answer to this!!
Fragmentation occurs when a large area of ecosystem is divided into smaller, isolated areas due to deforestation. After fragmentation, changes to the ecosystem can occur. Which is most likely an effect of fragmentation on an ecosystem?
a. Animal species in the fragmented area utilize new food sources in the deforested area.
b. Plant species from the deforested area alter conditions at the edge of the fragmented area.
c. The nutrient cycle is replenished by new species colonizing the deforested area.
d. Most native species disappear from both deforested and fragmented areas.
Answer:B
Explanation:
1. Explain the change in erythrocyte count in the case of anemia
2. Where are red blood cells produced?
3. What type of cells help blood to clot?
4. What makes the human circulatory system efficiently carry oxygen to the tissues?
5. Describe the role of blood plasma.
6. Explain the role of lymph in our body
how do skin cells replace itself after an injury?
a) skin cells go through the process of budding to make new identical cells.
b) skin cells go through the procces of mitosis to make new identical cells.
c) skin cells go through the process og photosynthesis to make new identical cells.
d) skin cells go through the process of cellular respiration to make new identical cells.
Answer:
d
Explanation:
as a result of accumulation of waste products in the body , these substances are removed from the body via the skin hence they undergo cellular respiration
Answer:
b) skin cells go through the process of mitosis to make new identical cells.
Explanation:
The skin is the largest organ in the human body; it forms a protective barrier that keeps out external pathogens, and is integral to waste removal. When the organ is injured, damaged cells initiate an immune response, while healthy cells nearby begin to replicate.
This type of cell replication involves somatic cells and results in the diploid number of chromosomes called mitosis. Skin cells are somatic- they contain all 24 pairs of human chromosomes. During replication, the chromosomes are unwound, and copied- then, the newly copied chromosomes separate into two identical daughter cells with the same chromosome number.
(TRUE OR FALSE)
As discoveries were made that couldn't be explained by spontaneous generations, scientist came up with an updated version of the spontaneous generation model?
PLZ HELP WILL BRAINLIEST
IF U DONT KNOW THE ANSWER DONT U DARE
Answer: I'm pretty sure this is true
Explanation:
what do you think about the human and his structure how it's made all the human structure
Answer:
its a thousand of generation evolution i think as of darwins law of evolution
Answer:
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Can Plastic Waste Degrade Into The Soil?
Yes or no and explain
Answer:
Yes, but the process is too slow
Explanation:
We pack almost everything in this material and plastic has become a very normal occurrence in the modern world. Each year, people used 1.6 million barrels of oil just to make plastic bottles.
On the other hand, nature takes about 1000 years to develop a single plastic object, while plastic material takes about 240 years.