Answer:
Urinary system filters your blood, removing waste and excess water.
Your digestive system breaks nutrients into parts small enough for your body to absorb and use for energy, growth, and cell repair.
The immune system is a complex network of cells and proteins that defends the body against infection.
explain one way that HYDROGEN GAS is commercially produced
Explanation:
There are a number of ways to produce hydrogen: Natural Gas Reforming/Gasification: Synthesis gas, a mixture of hydrogen, carbon monoxide, and a small amount of carbon dioxide, is created by reacting natural gas with high-temperature steam. The carbon monoxide is reacted with water to produce additional hydrogen.
As of 2020, the majority of hydrogen (∼95%) is produced from fossil fuels by steam reforming of natural gas, partial oxidation of methane, and coal gasification. Other methods of hydrogen production include biomass gasification and electrolysis of water.
which of the following is a function of the nucleus.
stores sugar
packages proteins
stores dna
builds proteins.
Answer:
Stores DNA.
Explanation:
The nucleus is the control center of the cell.
Which of the following statements describes the structure of the plasma membrane?
a It is a lipid bilayer with the hydrophobic area pointing inward, and the hydrophilic area facing outward.
b Protein molecules make up the membrane, which makes it a strong structure.
c The plasma membrane is made mainly from carbohydrates that give the cell energy.
d It is made primarily of cholesterol that allows the cells to communicate with others.
Answer:
A. It is a lipid bilayer with the hydrophobic area pointing inward, and the hydrophilic area facing outward.
Explanation:
The plasma membrane (also known as the cell membrane) is a membrane that separates the cell's interior from the environment that surrounds it, protecting it. It consists of lipids, proteins, and carbohydrates.
Its main component are phospholipids that create a bilayer. Phospholipids consist of two hydrophobic tails and a hydrophilic head and are arranged so that the tails face inward and the heads outwards.
This is why option A is the correct one.
You can see an image of the cell membrane's structure to help you visualize this below:
Make a claim about which organism(s) use carbon dioxide and which organisms) produced carbon dioxide. How did your test conditions affect the cycling of matter between plants and animals?
Evidence: Describe specific observations from your experiment to support your claim.
Reasoning: Did your observations support your claim? Describe, in detail, the connections between the evidence you gave and the claim you are making
Answer:
an organism is like a plant
What is the name of this leaf
Answer:
A beam leaf
Explanation:
A population of ducks lives in an area that floods many times each year. Some of the ducks are better at finding food on dry land, while other ducks are better at finding food in wet, muddy areas. Eventually, the land around the lake permanently changes from dry soil to wet, marshy mud.
How will this change to the land most likely affect the duck population?
The population will remain stable because the ducks will not be affected by this kind of change.
The population will eventually balance out so that there are equal numbers of both types of ducks.
The population will evolve so that most ducks survive no matter how they find food.
The population will evolve so that most ducks are better at finding food in wet, muddy areas.
Answer:
D. A duck flies to another pond.
The above sentence is an example of emigration. Emigration refers to moving from one area to another for a long or permanent period. In this instance, a duck is leaving the pond it originally resided in (along a population other ducks) in order to reside in another pond. Therefore, it can be said that the duck "emigrated".
Explanation:
The answer is C
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Answer:
Lipids
Explanation:
Answer:
Lipids
Explanation:
the chemical formula for water is
Answer: The chemical formula for water is H2O!
Answer:
H2O
Explanation:
H2O
sophie rafain potentiate anti-cancer effects of doxorubicin and cisplatin and mitigate their toxic effects
Sulforaphane potentiate anti-cancer effects of doxorubicin and cisplatin and mitigate their toxic effects like heart problems and enhance their effectivity.
Doxorubicin and cisplatin are the drugs that are used to treat various types of cancer including breast cancer, lung cancer, bladder cancer, and ovarian cancer.
The are also associated with side-effects like heart problems, etc.
Sulforaphane is a sulphur rich substance found in green vegetables which is evident to have anti-cancer effects and helps in prevention and treatment of various types of cancer.
It causes the cancer cells to self destruct by the process of apoptosis.
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There is a large number of mitochondria in cardiac muscle cells because cardiac muscles need the mitochondria to:
1)work harder and longer.
2)maintain their shape.
3)maintain their color.
4)be attached to the ribs.
Answer:
to work harder and longer
Answer:
a. work harder and longer.
Explanation:
Serotonin and Dopamine are 2 of the many neurotransmitters that are released when a synapse occurs.
A) true
B) False
Answer:
it is true
Explanation:
The diagram shown represents a cell that will undergo mitosis. Which diagrams below best illustrate the nuclei of the daughter cells that result from a normal mitotic cell division of the parent cell shown?
Diagram A best illustrates the nuclei of the daughter cells that result from a normal mitotic cell division.
Mitosis is a type of cell division by which a parental cell divides to produce two genetically identical daughter cells.In this case, the parental cell has three homo-logous pairs of chromosomes, thereby both daughter cells will also have three pairs of homo-logous chromosomes-Somatic (body) cells reproduce by mitosis, while germinal cells reproduce by meiosis.In conclusion, diagram A best illustrates the nuclei of the daughter cells that result from a normal mitotic cell division.
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When population growth increases in an area, what is happening to the birth rate and age structure of that population?
a. increasing birth rate with a greater number of young organisms
b. increasing birth rate with a smaller number of old organisms
C. increasing birth rate with a smaller number of young organisms
d. increasing birth rate with a greater number of old organisms
Please select the best answer from the choices provided
A
OC
D
Save and Exit
Submit
Mark this and retun
Answer:
a
Explanation:
the increase in birth rate means more young organisms are born => greater number of young organisms
p16(ink4a) and senescence- associated β- galactosidase can be induced in macrophages as part of a reversible response to physiological stimuli.
p16 (ink 4a) and senescence-associated with Beta-galactosidase are introduced by macrophages.
What are p16 (ink4a) cells?p16 cells are low molecular weight proteins bound by cyclin-dependent kinase. It is a protein that cell slows cell division. Cellular senescence suppresses cancer by preventing and proliferation of cells.
p16 and Inka 4 cells encoded by cyclin-dependent cells. It is also induced as aging which induces cellular senescence in response to stress.
p16 is a member of ink4a cells. It is a cyclin-dependent kinase inhibitor that plays a critical role in cell cycle regulation. It is expressed in both the nucleus and cytoplasm. p16 is a common biomarker for aging.
Therefore, p16 (ink 4a) and senescence-associated with Beta-galactosidase are introduced by macrophages.
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explain why bacteria, in particular, are very useful organism in the process of genetic engineering
Answer: The bacterial cells are being used in order to create genes and produce human insulin. The bacteria is used to make protein, which is a good thing. I hope this at least helped, and I believe this is why bacteria is useful organism in the process of genetic engineering.
What are the similarities and differences between the two karyotypes?
Answer:
The typical human karyotypes contain 22 pairs of autosomal chromosomes and one pair of sex chromosomes (allosomes). The most common karyotypes for females contain two X chromosomes and are denoted 46,XX; males usually have both an X and a Y chromosome denoted 46,XY.
Explanation:
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Answer:
b......one.........
Answer:
b i sur answer
my upper one is right
Why does a pH of 5 produce high ATP synthase activity, but a pH of 3 and 9 very low ATP synthase activity?
Answer:
ATP synthase works best at a pH of 5, but changes in the pH of the medium can alter its enzymatic activity, decreasing it.
Explanation:
Enzymes are specialized proteins that contribute to biochemical reactions occurring faster, decreasing the activation energy.
Under ideal conditions of temperature and pH, enzymes can work at their maximum capacity, but changes in these conditions can affect the speed with which an enzyme acts.
ATP synthase, an important enzyme for ATP synthesis and oxidative phosphorylation, works best at a pH of 5 (weak acid), but as the acidity or alkalinity of the medium increases, enzymatic activity decreases.
What is the final step of the cell cycle, directly following mitosis?
Anaphase
Cytokinesis
Interphase
Metaphase
Answer:
Cytokinesis
hope it help u :) ✌❤
What type of infection is transmitted by athlete’s foot?
Bacterial
Fungal
Parasitic
Viral
Answer:
Fungal
Explanation: took the test!! :)
Fungal, Because the athlete's foot is a fungus, and is transmitted to an athletes foot. Hope it helps
Sound travels faster at higher temperatures
true false
Answer:
True
Explanation:
Temperature is another condition that affects the speed of sound. Heat, like sound, is a form of kinetic energy. Molecules at higher temperatures have more energy and can vibrate faster and allow sound waves to travel more quickly.
Therefore, sound travels faster at higher temperatures and slower at lower temperatures.
How do enzymes support life functions of the cell and the body
Explanation:
Enzymes help speed up chemical reactions in the human body
What must occur for protein translation to begin?
A root cell may continue to absorb minerals even though the concentration of the minerals is greater inside the cell than in the soil. This absorption is accomplished mainly by —.
Answer:
Root hair cells
Explanation:
If the external environment of a living cell has a greater concentration of salt than the cytoplasm within the cell, the cell will tend to.
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Answer:
dude how am I gonna answer
i can just place it for you dude.
Explanation:
the study of chemical reactions, such as growth, reproduction and respiration, that occur within a living organism is called:
Answer: Chemistry
Explanation:
What is a fixed allele?
O A. An allele that mutates with each generation
B. An allele that is found on many genes
C. An allele present in all members of a population
ОО
D. An allele that formed by adaptive radiation
Answer:
C. An allele present in all members of a population
Explanation:
Just took the quiz
A fixed allele is an allele that is present in all members of a population and has a frequency of 100%. Therefore, option (C) is correct.
What is an allele?An allele is a variant form of a gene that arises through mutation and is located on a specific location on a chromosome, known as a locus. Genes code for specific traits or characteristics, such as eye color or blood type, and alleles determine the variations of these traits.
For example, the gene that determines eye color has several different alleles, including blue, green, and brown, which produce different variations of the trait.
Alleles can be dominant, meaning that they are always expressed in the phenotype of an organism, or recessive, meaning that they are only expressed when paired with another recessive allele. The combination of alleles that an individual inherits from their parents determines their unique genotype and phenotype.
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What is the morula? And when does it develop?
Answer:
Morula: a solid ball of cells resulting from division of a fertilized ovum, and from which a blastula is formed.
When is it formed: In humans, the blastocyst is formed approximately five days after fertilization. This stage is preceded by the morula. The morula is a solid ball of about 16 undifferentiated, spherical cells.
tbh i don't really know when it's formed, but i looked it up and that's what it gave me. i hope it helped :)
a) Which country looks like it is experiencing exponential growth?
b) Which country looks like it has reached its carrying capacity?
c) Because it has reached its carrying capacity, describe the relationship between
its birth rates and death rates.
d) Describe what is happening to Europe's population size in terms of birth rates
and death rates.
e) Which country or countries could be experiencing:
emigration:
Explain your answer.
.
-immigration:
Explain your answer.
India has a sharp rising trend and a quickly growing population, so it appears to be growing exponentially. It seems that Japan's carrying capacity has been achieved.
How do population growth and carrying capacity relate to one another?Growing populations may be impacted by increased density in a given area. The greatest number of a species that an ecosystem can sustain is referred to as the carrying capacity of a region. Carrying capacity is based on the amount of resources available (food, habitat, water).
What are some examples of exponential population growth?The term for this quick trend of population rise is exponential expansion. The best illustration of exponential development is found in bacteria. Via prokaryotic fission, prokaryotes, such as bacteria, divide.
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Please answer it’s due at 4!!!!!!!!??
Answer:
sexual reproduction
Explanation:
Try not to say the time, because we are not the same time zone.
we are different countries;) lol