Answer:
When the cloud of gas which formed the solar system fell inwards to form the solar system, it had net angular momentum. ... The cloud that formed the solar system had angular momentum which was deposited into the velocities of planets and other bodies in orbits around the Sun (as well as the Sun's rotation).
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1. Which criteria are used to classify amphibians into orders?
Answer:
They are classified into three orders: frogs and toads, salamanders and newts, and caecilians.
What changes occur to the ratio of surface area to volume as a cell
grows?
Answer:
As a cell grows, its surface area-to-volume ratio decreases
You want to make 1 ton ration of an 18% protein ration using corn (12%) and soybean meal (22%). How much of each will he have to mix together? Show your work for full credit.
Answer:
To make a 1 ton ration of an 18% protein ration using corn (12%) and soybean meal (22%), 0.6 tons of soybean meal and 0.4 tons of corn are needed
Explanation:
Using the Pearson’s Square calculations:
1. Subtract across the diagonal:
a. 18% - 12% = 6 parts soybean meal
b. 18% - 22% = 4 parts corn
2. Sum the parts:
a. 6 parts soybean meal + 4 parts corn = 10 totalparts
3. Divide each part by the total to calculate the percentage of each feed to include in the ration:
a. 6 parts soybean meal ÷ 10 total parts * 100 = 60.0% soybean meal
b. 4 parts corn ÷ 10 total parts * 100 = 40.0% corn
So, to make 1 ton ration of an 18% protein ration using corn (12%) and soybean meal (22%),
60% of soybean meal is needed = 60/100 * 1 ton = 0.6 tons of soybean meal
40% of corn is needed = 40/100 * 1 ton = 0.4 tons of corn
What is the phase change from gas to liquid?
A. Sublimation
B. Condensation
C. Vaporization
D. Transpiration
Answer:
Condensation
Explanation:
Condensation is the phase change from gas to liquid. For example, water vapor condenses when you are taking a shower because wet spots show up on a mirror after taking a shower.
Answer:
Condensation
Explanation:
Sublimation is when a solid turns into a gas. Condensation is when water in the air collects to form droplets that gather on a surface/object. Vaporization is when a liquid forms into a gas. Transpiration is a thing in plants where water transfers throughout the plant.
What does order mean in biology
Answer:
A taxonomic rank used to classify organisms that is typically lower than the class and consists of families with comparable natures or characteristics.
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Below are two sequences of a segment of DNA.
Normal sequence TTA AAA GGA
Mutated sequence CTT AAA AGG A
Which type of mutation has occurred?
which process do plants and animals share in common?
A. absorption if water
B. cellular respiration
C. photosynthesis
D. transpiration
Cellular respiration process do plants and animals share in common. So, the correct option is (B).
What is Cellular respiration?Cellular respiration is defined as the process that occurs in the mitochondria of all living organisms. In this process, both plants and animals break down simple sugars into carbon dioxide and water and release energy in the form of adenosine triphosphate (ATP).
This process is a set of metabolic reactions that occur inside cells to convert the biochemical energy obtained from food into a chemical compound called adenosine triphosphate (ATP). Metabolism define as the set of chemical reactions carried out to maintain the living state of cells in an organism which can be divided into two categories:
CatabolismAnabolismThus, Cellular respiration process do plants and animals share in common. So, the correct option is (B).
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What environment does ambulocetus live in?
Answer:
northern Pakistan, in long-lost coastal shallow seas and brackish rivers
Explanation:
i'm hoping this is right
Please help :) really stuck
The results show Sarah could feel tired because her red blood cells (2,700,000) and platelets (245,000) are below the normal levels (3,800,000 and 250,000). Her white blood cells (9,000) are above the normal level (8,500)
Sorry if wrong
Connect the organs of the body listed in column Awith its function in column B. Write the LETTER of the correct answer on the blank.
Column A
1. Brain 2. Heart 3. Lung 4. Stomach 5. Small intestine 6. Kidney 7. Bone 8. Muscle 9. Blood 10. Large intestine
Column B
A. A.bsorbs water and electrolytes b. Absorbs c.pumps blood around the body d.filters blood and produce urine e.gets O2 and remove CO2 from the blood F.allows humans to move g.controls thoughts, memory and other organs h.supports and protects other organs I.transports the nutrients and oxygen to the lungs and tissues j.temporarily stores foods
Will the geosphere suffer long term or short term damage from a forest fire? Explain.
Is playstatium a mineral?
The cell membrane is made up of a lipid bilayer as shown in the model. Which of the following describes the structure and function of the cell membrane?
56 points!!!!!!
Answer:
The hydrophilic head groups of the lipid molecules are exposed to the outside of the cell and the cytoplasm, which is a water-like environment. The hydrophobic tails form an oily layer inside the membrane that keeps water out of the cell
Explanation:
Cell membrane is selectively permeable in nature. The hydrophilic head groups of the lipid molecules are exposed to the outside of the cell, which is a water-like environment and hydrophobic tails form an oily layer inside the membrane. Thus, correct option is A.
What is Plasma Membrane?Plasma membrane is also known as the cell membrane. It is found in all types of cells that separates the interior of the cell from the outside environment. In bacterial and plant cells, a cell wall is also found which covers the cell membrane.
The cell membrane consists of three classes of amphipathic lipids: phospholipids, glycolipids, and sterols. Plasma membrane is selectively permeable in nature, it allows only some material to pass through it while blocks other material from entering through it.
The portions of the integral membrane protein found inside membrane are hydrophobic, while portions which are exposed to the cytoplasm or extracellular fluid tend to be hydrophilic in nature. Molecules that are hydrophobic can easily pass through the plasma membrane while hydrophilic particles cannot pass through the membrane easily.
Therefore, correct option is A.
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What is the definition of a DNA Polymerase
A. Enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule
B. An enzyme that unwinds the DNA double helix during DNA replication
C. A class of nucleotides that includes adenine and guanine.
D. A bond between complimentary base pairs in DNA
Which statement best explains the myth about how Romulus and Remus founded Rome?
Answer: Romulus defeated his brother, then founded Rome on one of the seven hills.
Explanation: Despite there is no answer choices, I'm thinking back on a little quiz I took, and it had the same exact question with the same exact answer choices, and that was the correct answer
Nerve cells that can detect chemicals are:
A. chemoreceptors.
B. chemtransductors.
C. limbic system indicators.
D. neurotics.
Answer:
its Chemoreceptors
Explanation:
A chemoreceptor, also known as chemosensor, is a specialized sensory receptor cell which transduces a chemical substance to generate a biological signal.
What is the earth?
What is the atomosphere
Answer:
Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity.
Explanation:
It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air.
Answer:
Earth is the third planet from the Sun and the only astronomical object known to harbor life. About 29.2% of Earth's surface is land consisting of continents and islands.Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air.
Explanation:I cited this as my claim because it shows and explains the question that is giving.
8.
What is meant by the term base-pairing? How is base-paring involved in DNA replication?
Answer: Hydrogen bonds form only between specific base pairs. ase pairing ensures that the complementary strands produced are identical to the original strands.
Explanation:
You added 20 g of NaCl to 100 g of water. What is the percent by mass of the solute?
Answer: We are given:
Mass of solvent (water) = 100 grams
Mass of solute (NaCl) = 20 grams
Mass of the Solution:
Mass of Solution = Mass of Solute + mass of Solvent
100 + 20 = 120 grams
Mass Percent of NaCl:
We know that
mass percent of NaCl = (Mass of NaCl / Mass of Solution) * 100
replacing the variables
Mass% of NaCl = (20 / 120)*100
Mass% of NaCl = 100 / 6
Mass% of NaCl = 16.67%
Explanation:
Any one free
InboX me (◍•ᴗ•◍)❤
Answer:
hiii
Explanation:
which statement describes what happens with ATP during glycolysis?
A) more ATP is produced than is used
B) glycolysis splits ATP
C) more ATP is used than is produced
D) glycolysis does not make any ATP
Answer:
A. more ATP is produced than used
Explanation:
Regulation of glycolysis
Several steps in glycolysis are regulated, but the most important control point is the third step of the pathway, which is catalyzed by an enzyme called phosphofructokinase (PFK). This reaction is the first committed step, making PFK a central target for regulation of the glycolysis pathway as a whole^1
1
start superscript, 1, end superscript.
PFK is regulated by ATP, an ADP derivative called AMP, and citrate, as well as some other molecules we won't discuss here.
ATP. ATP is a negative regulator of PFK, which makes sense: if there is already plenty of ATP in the cell, glycolysis does not need to make more.
AMP. Adenosine monophosphate (AMP) is a positive regulator of PFK. When a cell is very low on ATP, it will start squeezing more ATP out of ADP molecules by converting them to ATP and AMP (ADP + ADP \rightarrow→right arrow ATP + AMP). High levels of AMP mean that the cell is starved for energy, and that glycolysis must run quickly to replenish ATP^2
2 squared.
The more a muscle is stimulated (working), the smaller it will get.
O
true
О
false
Answer: true
Explanation: Sometimes, a subset of muscle fibers is activated, depending on how much force is needed. When the muscle is stimulated, calcium ions are released from its store inside the sarcoplasmic reticulum, into the sarcoplasm (muscle ). ... The SR is smaller and less elaborate, and stores less calcium ions.
What is carbon dioxide
Answer:
Carbon dioxide is a colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas.
Answer:
The air that you breathe out. Also it is what plants breathe in.
Explanation:
Hope this helps!!
.
Why are some sources of sugar better than others?
Explanation:
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Whether an added sugar contains more or less fructose versus glucose has little impact on health. (An exception may be people with diabetes who need to control their blood glucose, in which case a higher-fructose, lower-glucose sugar may be preferable
Answer:
Some sugar that's made is usually take and unhealthy, but other sources can be purely made with no artificial s added to it making it fake.
What are two tools that can be used to measure wind direction?
Answer:
A Wind Vane and a Anemometer
Answer:
a wind vane and anometer
Explanation:
a wind vane is used as as part of the anometer to determine wind direction
Mass measures the amount of ______ in a substance
or an object.
a matter
b space
c gravity
d vapour
Answer:
theianswer to this is A. Matter
The West Bank, Gaza Strip, Sinal Peninsula, and Golan Heights were conquered by Israel during the
A. first World War
B. 1048 Arab Israell War
C. Islamie Hevolution
D. Six Day War
Answer:
D, The Sixth Day War
Enjoy :3
Answer:
D the six day war
Explanation:
1.What is the adaptation that is beneficial to organisms in the Mountain Rock environment?
2.What is the adaptation that is beneficial to organisms in the Desert Sand environment?
Answer:
Dense hair and thick skin.
Thin skin and Nocturnal behavior.
Explanation:
Dense hair and thick skin are the adaptation that is beneficial to organisms that is present in the environmental condition of Mountain Rock because on Mountain Rock, the temperature is very low so organisms needs something which make them warm, while on the other hand, thin skin and Nocturnal behavior are the adaptations that is beneficial to organisms in the Desert Sand environment because temperature is very hot.
Developing a new vaccine takes about 5-10 years. So how is it possible to develope Corona vaccine so quickly?
Answer:
vaccines were designed by using new technologies (i.e., RNA-based vaccines and adenovirus-based vaccines)
Explanation:
RNA-based vaccines are vaccines based on the delivery of specific messenger RNA (mRNA) sequences that are capable of encoding only one viral protein, thereby preventing the complete viral cycle/replication. Subsequently, this protein is recognized by the immune system that generates memory immunity by synthesizing specific antibodies against this protein (in this case, the spike S protein). On the other hand, adenovirus-based vaccines are vaccines designed by inserting a transgene cassette into an adenovirus which is used as vector to produce one specific viral protein inside the host. Like mRNA vaccines, this antigenic viral protein is then recognized by the immune system in order to produce antibodies against a defined protein epitope, thereby producing memory immunity.
Normal cells responds to contact inhibition. When they come into contact with other cells, they stop moving and dividing. This keeps the cell contained within their own tissues. How did the mutated (cancer) cells show the evidence that they do not respond to contact inhibition?
Answer:
Cancer is basically a disease of uncontrolled cell division. Its development and progression are usually linked to a series of changes in the activity of cell cycle regulators. For example, inhibitors of the cell cycle keep cells from dividing when conditions aren’t right, so too little activity of these inhibitors can promote cancer. Similarly, positive regulators of cell division can lead to cancer if they are too active. In most cases, these changes in activity are due to mutations in the genes that encode cell cycle regulator proteins.
Explanation:
The mutated (cancer) cells show the evidence that they do not respond to contact inhibition because there is no stopping of division of the cells.
Normal cells VS mutant cellsNormal cells show response to contact inhibition when they come into contact with other cells, so they stop moving and dividing.
While on the other hand, The mutated (cancer) cells show the evidence that they do not respond to contact inhibition because there is no stopping of division of the cells so we can conclude that no stopping of division occurs which is the evidence that the cancer cells show no response to contact inhibition.
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