Water .Most of it is water
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The main difference between the water cycle and the other chemical cycles is that water
never changes its structural form (H2O) .
is much slower than the other cycles.
creates completely new substances.
is made from matter that has been here since the world was formed.
Answer:
The answer is A.
Explanation:
Other cycles change their structural form often, but water does not change it's structural form in the water cycle, which is H2O so that is one main difference between the water cycle and oither checmical cycles. So, your answer is A.
The main difference between the water cycle and the other chemical cycles is that water never changes its structural form (H2O). Thus, the correct option for this question is A.
What is the water cycle?The water cycle may be defined as a type of biogeochemical cycle that significantly involves the gradual and continuous movement of water and its derivative products within the Earth and atmosphere.
The water cycle remarkably consists of three major processes. They are as follows:
Evaporation: a process through which a liquid converts into gas.Condensation: a process through which gas converts into liquid.Precipitation: a process through which liquid water falls on the earth's surface.The most important concept of the water cycle is that the structural form of water remains constant and the same throughout the process. This property of water differs from other chemical cycles because such cycles involve the alteration in their fundamental component.
Therefore, water never changes its structural form (H2O) is the main difference between the water cycle and the other chemical cycles. Thus, the correct option for this question is A.
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Which of the following is an example of a complex machine?
1. Pulley
2. Wedge
3. Scissors
4. Incline
3- Scissors are an example of a complex machine.
Answer:
A :3
Explanation:
Just did acceleratted ed. Hope this helps!
Which two elements make up table salt
Answer:
Chemically, table salt consists of two elements, sodium (Na) and chloride (Cl).
*urgent* The liver is essential to the health of the organism. One major function of the liver is–
A) To create tissues
B) To perform proper organ functions with individual cells
C) To synthesize amino acids
D) All of the above
Answer:
I believe that the answer is C
Why do genetically different cells form during meiosis?
Answer: meiosis creates new combinations of genetic material in each of the four daughter cells. These new combinations result from the exchange of DNA between paired chromosomes. Such exchange means that the gametes produced through meiosis exhibit an amazing range of genetic variation.
Explanation:
The biotic and abiotic factors interacting with each
other in a pond form
A) an ecosystem B) a community
C) a population D) a food web
Answer:
Answer is A
Explanation
How is homeostasis achieved?
A: Cells maintain internal stability
Homeostasis is achieved once a continuous state of steady internal, physical, and chemical conditions are maintained.
Answer:
A. Cells maintain internal stability
Explanation:
When it is high tide on one side of the earth, the opposite side of the earth experiences
A low tide.
B. high tide.
C. flood tide.
D. ebb tide.
E. red tide.
The attraction between the hydrogen atom on one water molecule and the oxygen
atom on another water molecule is called a(n)
Answer: Hydrogen bond or a covalent bond.
Explanation:
what are 3 parts of a nucleotide?
Answer:
The three parts of a nucleotide are:
- A phosphate group
- Nitrogenous base
- Five-carbon atoms
Explanation:
These are the three parts that make up a nucleotide.
The attraction of water molecules to other water molecules is called 3 4 5 6 7
Nutrients and waste are passed between cells and blood through _____.
A. arteries
B. veins
C. ventricles
D. capillaries
Answer:
capillaries
Explanation:
they're the points whete the veins and arteries are connected to bloodstream
The cell membrane serves many functions. One of the cell membranes functions is to help the cell maintain homeostasis. How does the cell membrane do that ?
Answer:
The cell membrane help to maintaining homeostasis by regulating the flow of substances through it and by recognizing potentially harmful agents to the cell.
Explanation:
Cellular membrane is constituted by a lipidic bilayer, whose characteristics allow it to behave as a semi-permeable membrane to the passage of substances.
The selective permeability of the membrane makes it possible to regulate the passage of water, molecules and ions through it into the cell and from there into the extracellular space, a characteristic that allows the maintenance of homeostasis.
Additionally, the cell surface can identify foreign and potentially harmful agents, which can affect the internal balance, preventing in most cases their passage into the cell.
What type of cells are found in the skeletal system?
Answer:
The human skeleton is composed mainly of a substance called bone, and there are primarily four types of cells that make up bone. These are the osteoprogenitor cells, osteoblasts, osteoclasts and osteocytes. Their names all start with the prefix “osteo,“ which is the Greek word for "bone."
Explanation:
VERY URGENT:
Units that are combinations of two or more fundamental/base units are called (blank) units
Fill in the blank
Answer:
Derived Units
Explanation:
Answer:
Derived unit
Explanation:
The fundamental unit is Derived unit
Why are tapeworms parasites to brine shrimps?
Answer: The tissue of brine shrimp turns red after it is infected with parasitic tapeworms. This color is caused by an increase in carotenoids, a type of pigmented chemical
Explanation:
do plant cells have organelles?
Answer:
Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts.
Explanation:
what is the binomial nomenclature in biology?
Answer:
Binomial nomenclature ("two-term naming system"), also called binominal nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts.
Fyi no I did not get this off of google. I hoped this helped!
Which of the following smaller reservoirs of freshwater are missing from the diagram?
А
Fossil fuels
B
Rocks
С
Ice caps
D
Algae
Answer:
ice caps
Explanation:
A group of biological communities that interact with the physical environment is
Answer:
Biosphere
Explanation:
A group of biological communities that interact with the physical environment is the "biosphere".
3. Which structure is specific to eukaryotic cells?
O nucleus
O cytoplasm
DNA
O cell membrane
Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes. However, unlike prokaryotic cells, eukaryotic cells have: a membrane-bound nucleus. numerous membrane-bound organelles (including the endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria)
Which would probably have the greatest effect on a protein's function—a change to the primary, secondary, or tertiary structure? Explain your answer.
Answer:
There are 20 different standard L-α-amino acids used by cells for protein construction. Amino acids, as their name indicates, contain both a basic amino group and an acidic carboxyl group. This difunctionality allows the individual amino acids to join in long chains by forming peptide bonds: amide bonds between the -NH2 of one amino acid and the -COOH of another. Sequences with fewer than 50 amino acids are generally referred to as peptides, while the terms, protein and polypeptide, are used for longer sequences. A protein can be made up of one or more polypeptide molecules. The end of the peptide or protein sequence with a free carboxyl group is called the carboxy-terminus or C-terminus. The terms, amino-terminus and N-terminus, describe the end of the sequence with a free α-amino group.
The amino acids differ in structure by the substituent on their side chains. These side chains confer different chemical, physical, and structural properties to the final peptide or protein. The structures of the 20 amino acids commonly found in proteins are shown in Figure 1. Each amino acid has both a one-letter and three-letter abbreviation. These abbreviations are commonly used to simplify the written sequence of a peptide or protein.
figure1-Protein-Structure
Depending on the side-chain substituent, an amino acid can be classified as being acidic, basic or neutral. Although 20 amino acids are required for synthesis of various proteins found in humans, we can synthesize only ten. The remaining 10 are called essential amino acids and must be obtained in the diet.
The amino acid sequence of a protein is encoded in DNA. Proteins are synthesized by a series of steps called transcription (the use of a DNA strand to make a complimentary messenger RNA strand – mRNA) and translation (the mRNA sequence is used as a template to guide the synthesis of the chain of amino acids which make up the protein). Often, post-translational modifications, such as glycosylation or phosphorylation, occur which are necessary for the biological function of the protein. While the amino acid sequence makes up the primary structure of the protein, the chemical/biological properties of the protein are very much dependent on the three-dimensional or tertiary structure.
A change to the PRIMARY structure WILL HAVE the greatest effect on a protein's function.
The primary structure of a protein refers to the linear sequence of amino acids within a polypeptide chain.A change in the protein primary structure will change protein properties and likely will also alter their functions.The secondary structure of a protein refers to the specific arrangement of groups of amino acids. The most common types of secondary structures in proteins include alpha helix and beta sheets.The tertiary structure refers to the three-dimensional shape of the protein. There are two major main classes of protein tertiary structure: fibrous and globular.The quaternary structure refers to the association of different protein subunits to form a multimeric protein.In conclusion, a change to the PRIMARY structure WILL HAVE the greatest effect on a protein's function.
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We are a carbon-based life form. List three properties of carbon that make it an ideal element
from which to construct a wide variety of complex molecules.
Answer:
Carbon can form four covalent bonds because it needs four electrons to fill its valence shell. Carbon-based molecules can vary in the number of carbon atoms.
Explanation:
Which of the following best describes the effect of a greater number of cysteine amino acids on the stability of the proteins
Answer:
The correct answer is -
The change leads to increased protein stability because of an increased number of S-S bonds in the tertiary structure of the proteins.
Explanation:
Cysteine is a special amino acid due to having a free thiol group that can react and forms a sulfur-sulfur bond with another thiol of another cysteine in a protein structure.
These disulfide bonds can stabilize proteins if formed properly and promote stability to the tertiary structure of the proteins. The more the cysteine, the greater the number of thiols, and the greater the s-s bond in the proteins and more stability to the protein.
the molecule that is formed as a result of the acceptance of hydrogen ion and the final acceptor molecule.
Answer:
H2O (Water)
Explanation:
Oxygen (O2) is the final acceptor molecule after the process of aerobic respiration. Specifically, it accepts hydrogen ions at the end of the electron transport chain, the main energy-generating stage of cellular respiration.
This is why oxygen is needed to form large amounts of cellular energy, as without it, the electron transport chain cannot proceed. When oxygen accepts hydrogen ions, it forms water, a byproduct of aerobic respiration.
2. What is the name of the process of gathering evidence called? *
1 point
the Experimental Process
the Scientific Proof
the Scientific Experiment
the Scientific Method
Answer:
the answer is d scientific method
Answer:d the scientific method
Explanation:
Identify the two main spheres interacting in this photo.
(2 points)
Geosphere
Cryosphere
Biosphere
Cryosphere
Atmosphere
Why is desertification a problem?
A) New farmland is attained.
b) More people will immigrate to deserted areas.
c) Sand helps machinery run more efficiently.
d) Breathing air contaminated with sand particles can be hazardous.
Answer: The answer is D
in a few sentences tell me what you know about cells.
Answer:
Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function.
Explanation:
Cells are made up of energy, and are composed to the human body.
HELPPPP MAN IDKK- IM DOINGTHISLASTMINUTE
Answer:
gravity
Explanation:
the sun has a gravitational pull that keeps all the planets in orbit and prevents them from just floating away.
Answer:
The reason the planets orbit the Sun is related to why objects fall to Earth when we drop them. The Sun's gravity pulls on the planets, just as Earth's gravity pulls down anything that is not held up by some other force and keeps you and me on the ground.
