Answer:
Lactose is a carbohydrate that is formed by combining galactose and glucose.
Disaccharide is the term that best describes this molecule.
Explanation:
Disaccharide is the term used to signify substances that are made up of two simple sugar molecules. These molecules are connected to each other. Single sugars are also termed as monosaccharides. Disaccharides are substances that can easily dissolve in water. Sucrose, lactose, and maltose are the three main disaccharides.
Select the correct answer. Which of the following criteria can help Linda classify gases as greenhouse gases? A. gas molecules having three or more atoms B. gas molecules having a minimum of two molecules C. gas molecules having at least one oxygen atom D. gas molecules having at least one carbon atom
Answer:
A. gas molecules having three or more atoms
Explanation:
A greenhouse gas has the property to absorb infrared radiation and radiating it back to the earth surface.
A greenhouse gas must have three atoms or more, that will help the gas to absorb infrared radiation and restricts its way out of the atmosphere. some example of greenhouse gases are methane (CH4), carbon-dioxide (CO2) and nitrogen oxide (NO2).
Hence, the correct answer is "A".
Answer:
A//gas molecules having three or more atoms
Explanation:
100% on plato
Consider the plant phenotypes: RR is red (dominant) and WW is white (dominant) What type of inheritance will be shown where the alleles from each
parent blend together in the expressed phenotype of the offspring? (1 point)
O codominance
O epistatis
O intermediate inheritance
O recessive inheritance
Answer:
codominance
Explanation:
A form of inheritance in which the two alleles representing a gene are equally dominant and contributes equally to the phenotype of individuals is referred to as codominance inheritance.
In codominance, the two alleles are equally dominant with the effects of one allele not being able to suppress the effects of the other. Both contribute equally to the protein that represents the gene in the offspring.
You want to look at the connection between ribonucleotide reductase and thymidylate synthase. You carry out an in vitro experiment (in a test tube) with wild-type ribonucleotide reductase and thymidylate synthase along with any additional enzymes needed. You also include in the test tube ribonucleotides (ATP, CDP, UDP, GDP, and ADP), 7,8-dihydrofolate, NADPH, serine, and an inhibitor of thymidylate synthase. List the diphosphate deoxyribonucleotides that will be produced as a result of this in vitro experiment. Discuss the effects of inhibiting the thymidylate synthase on the activity of the ribonucleotide reductase.
Answer:
Under the vitro experiment; Deoxy ribo adenosine diphosphate, deoxy riboflavin gwanosine di phosphate, deoxyribo cytosine diphosphate as well as deoxyribouridine diphosphate are all formed.
The inhibitor of thymidylate synthase block the activity of this enzyme which would otherwise convert deoxyribo UDP to deoxyribo thymidine diphosphate.
Blocking this enzyme lowers down the thymidine diphosphate nucleotide concentration which interrupt the DNA replication. The ribonucleotide reductase is responsible for the reduction of respective nucleotides into their deoxyribonucleic forms which can be considered as precursors for DNA synthesis.
Deoxy Uridine diphosphare is also a product of this enzyme which is further modified by thymidylate synthase twhich converts into deoxy thymedine diphosphate. But this convertion is blocked in vitro experiment which leads to one nucleotide scarce for DNA replication.
the most common source of osteomyelitis is an infection that migrates via the bloodstream. direct invasion from a fracture. surgical contamination. a joint prosthesis.
Answer:
The correct answer is ''an infection that migrates via the bloodstream.''
Explanation:
An infection is the invasion of pathogenic germs or microorganisms that reproduce and multiply in the body causing disease. Bones, like any other organ or tissue in the human body, can become infected. Osteomyelitis is a bone infection caused by bacteria, mainly Staphylococcus aureus, although in some cases it can also be caused by fungi. The infection can start in another part of the body and spread to the bone through the bloodstream. In this case, it usually occurs at the ends of the leg and arm bones in children and in the spinal column (vertebrae) in adults, especially the elderly.
Which statements are true?
Check all that apply.
A is in Quadrant I.
B is on the x-axis.
C is in Quadrant I.
D is in Quadrant III.
E is on the x-axis.
F is on the x-axis.
G is on the y-axis.
Answer:
A, D, F and G
Explanation:
A, D, F and G
Answer:
A, D, F and G are the correct answers!
Hope this helps
In a nutrient medium that lacks histidine, a thin layer of agar containing around 10^9 Salmonella typhimurium histidine auxotroph produces around 13 colonies over a two day incubation period at 37 degrees centigrade. How do these colonies arise in the absence of histidine? The experiment is repeated in the presence of 0.4 micrograms of 2-aminoanthracene. The number of colonies the number of colonies produced over 2 days exceeds 10,000. What does this indicate about 2- anthracene? What can you surmise about its carcinogenicity?
hydrogen and oxygen come pouring out. it drips and it dribbles and it comes from a spout
Answer:
Water
Explanation:
This looks like a proverbial question, so I'll try and answer it as best as I can
Th mixture of 'hydrogen and oxygen came pouring out' to give water. Water is a liquid that 'drips and dribbles and it comes poring from a spout'
The question is talking about the reaction between hydrogen and oxygen to give water; a form of liquid as the by-product.
The reaction involves one atom of oxygen reacting with two atoms of hydrogen with an hydrogen bonding in-between to give a molecule of water.
Also note that a spout is a stream of liquid issuing from somewhere with great force. So the answer is water.
Which of the following is a characteristic of all rocks?
A) They all have the same texture.
B) They all look alike.
C) They all have the same color.
D) They are all made of one or more mineral
answer:
Rocks are classified according to characteristics such as mineral and chemical composition, permeability, texture of the constituent particles, and particle size. These physical properties are the result of the processes that formed the rocks.
The characteristic that is present in all rocks is they are all made of one or more minerals. The correct option is D.
What are rocks?Rocks on the big stones are made up of an accumulation of small stones and San materials. They are made up of one or more minerals that join together.
There are different types of rocks that are differentiated by the process of their formation. The types of rocks are igneous rocks, sedimentary rocks, and metamorphic rocks.
Now, sedimentary rocks are formed by the deposit of minerals and other materials. Metamorphic rocks are formed when the pressure and heat from the Earth turned igneous rocks into other rocks and that is called metamorphic rock.
Igneous rocks are formed by the cooling down of hot Lava and Magma that comes out of volcanoes.
Thus, the correct option is D) They are all made of one or more minerals.
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How do tiny atoms bond together to form bigger substances , and how are these substances important for life ?
Answer:
The detailed answer to this question is found in the explanation section.
Explanation:
Life is generally made up of matter, which is referred to as anything that has mass and occupies space. Matter is composed of elements such as carbon, hydrogen, oxygen etc, which in turn constitutes the smallest indivisible unit of an element called ATOMS.
Atoms are chemically bonded together to make up the elements in molecules and compounds. These compounds and substances are contained in the basic unit of life called CELLS, which play a pivotal part in the sustenance of life. For example, the enzymes and hormones that bring about physiological responses in our body are made up of protein molecules. These protein molecules are similarly composed of chemical elements such as carbon, oxygen, hydrogen, nitrogen etc, whose building blocks are atoms.
In a nutshell, all LIFE characteristics are made up of matter which possess atomic particles that are chemically bonded together to form substances that hold life together.
the leg of a dash are long and strong that keep their body away from the hot sand
My answer is an ostrich,a camel,and a fennec fox.
But the Fennec fox is the suitable answer...
Which plant represents the control group?
Answer:
The one without the fertilizer
Explanation:
Because it "isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results"
Sodium and potassium ion channels have several negatively charged residues at the entry to the channel. Identify the bases on which K channels specifically select for K ions, in other words, why do K channels not enable Na ions to cross the membrane
Answer:
Mechanism in attachment.
Explanation:
K⁺ channels have narrow pores, which prevents the passage of larger ions. However, since Na⁺ has an ionic radius smaller than K⁺, this does not explain the selective permeability of these channels towards K⁺.
In this case, the channel pore has a narrow selective filter which is delimited by the backbone carbonyl oxygens (C=O). When a K⁺ ion enters in the selection filter it interacts with these oxygens, and the molecules of water bound to K⁺ are displaced, which allows the passage of the dehydrated ion K⁺ through the pore. However, a dehydrated Na⁺ is too small to interact with these carbonyl oxygens in the selective filter, which stays open. As a consequence, the Na⁺ ion remains bonded to the water molecules in a hydrated complex that is too big to pass through the channel.
The absorptive effectiveness of the small intestine is enhanced by increasing the surface area of the mucosal lining. Which of the following accomplish this task?
a. the rugae and haustra
b. plicae circulares, villi, and microvilli
c. the vast array of digestive enzymes
d. Brunner's glands and Peyer Patches
Answer:
Option B
The plicae circulares, villi, and microvilli
Explanation:
The plicae circulares are the folds of mucous membrane on the inside of the small intestine. They are covered with tiny hair-like structures called the villi, and microvilli. The purpose of those folds is to increase the surface area for the absorption of food nutrients to take place in the small intestine before the food finally moves on to the large intestine for excretion.
The tiny hair-like projections (villi, and microvilli) further increase the surface area available for nutrient absorption by providing extra surfaces in which the nutrients can diffuse into the small intestine through.
This makes option B correct.
Meteorology studies?
Answer:
Meteorology is the scientific study of the atmosphere that focuses on weather processes and forecasting.
Answer:
meteorology is the study of Earths atmosphere
Explanation:
Which factor in the Southwestern desert ecosystem is abiotic?
Answer: Abiotic factors are all non-living factors in an organism's environment. Precipitation, water availability, sunlight, and temperature are all abiotic factors. Deserts are characterized by their lack of rainfall.
Explanation:
Hope this helps^^
If a patient's disease has no known cause, the disease is referred to as
One of the characteristics of which type of epithelial tissue is that of being able to readily diffuse material through it, such as occurs in alveoli?
Answer: The options are not given, here are the options.
A. Stratified columinar
B.Simple columnar
c. Stratified squamousd.
D. Simple squamous
The correct ANS Is D.
Simple squamous
Explanation:
Simply squamous epithelium is a type of epithelium cells that is found in the inner surface of blood vessels, alveoli and has contact with basal membrane.
This type of epithelium cells have the ability to diffuse material or substances through membranes because it is permeable i.e it has pores or openings that allow liquid or substances to pass through it.
1/4 divide 7/3 what is the answer
[tex]\frac{1}{4}:\frac{7}{3}=\\ \\=\frac{1}{4}*\frac{3}{7}\\ \\=\frac{1*3}{4*7}\\ \\=\frac{3}{28}[/tex]
12. Being early June, it is currently late spring in the northern temperate zone. What season is it in the
southern temperate zone?
a) early spring b) late fall
c) early fall
d) summer
e) late spring
Answer:
B late fall
Explanation:
It just the exact opposite on the southern temperate zone to the northern. Late spring would be late fall. Northern is going into summer as Southern is going into winter.
In a certain breed of plants, dark green is determined by the dominant gene 'G' and light green is determined by the recessive gene 'g'. The heterozygotes show 75% penetrance. If the parental cross GG x gg was made, how many of each of the expected phenotypes will be observed in a population of 400 F2 plants
Answer:
The answer is 300.
Explanation:
When we cross GG and gg, 100% of the offspring will be heterozygous. If the heterozygotes show 75% penetrance meaning that there is a 75% probability that the plant that has the G gene will actually show it in it's phenotype.
So that means that 75% of the offspring should have dark green color, which means that 300 plants will have the expected phenotype and 100 will not.
I hope this answer helps.
what happens if the polarity of neuron membrane is disturbed
Answer:
Neuronal polarity refers to the asymmetrical distribution of cellular components within a neuron. ... During neuronal polarization, a group of molecules work in concert to regulate the dynamics of the cytoskeleton. The cytoskeleton dynamics is essential for neurite extension and axon and dendrite formation.
Explanation : Neuronal polarity refers to the asymmetrical distribution of cellular components within a neuron. ... During neuronal polarization, a group of molecules work in concert to regulate the dynamics of the cytoskeleton. The cytoskeleton dynamics is essential for neurite extension and axon and dendrite formation.
The graph shows world fish production from both wild capture and aquaculture. What would happen if a genetically modified fish that grew rapidly to a large
size was introduced into aquaculture? Why?
A. Aquaculture will increase more rapidly due to the new fish’s rapid growth and economic value.
B. Aquaculture will increase more slowly due to the new fishes ability to outcompete wild fish.
C. Aquaculture will decrease more rapidly due to the new fishes ability to outcompetes wild fish.
D. Aquaculture will decrease more slowly due to the new fishes rapid growth and economic value.
Answer:
A. Aquaculture will increase more rapidly due to the new fish’s rapid growth and economic value.
Explanation:
The introduction of genetically modified fish would further promote the raising of fish in captivity.
This would also reduce the reliance on capture fisheries production.
More tones of fish would be produced yearly as a result of the rapid growth of the genetically modified fish, and therefore, this would lead to the rapid growth of Aquaculture.
Answer:
I believe the answer is A) Aquaculture will increase more rapidly due to the new fish's rapid growth and economic value.
Explanation:
I hope this helps you! Have a great day:)
Gregor Mendel demonstrated that traits are passed from parents to offspring independently of one another under all circumstances that he tested. All other genetics researchers have observed this as well. Based on this information, the statement can be made that “traits are passed from parents to offspring independently of one another.” Which describes the statement of fact? a law a hypothesis a theory an observation
The answer is A. A law
Explanation:
The fact "traits are passed from parents to offspring" has been scientifically proven not only by Mendel but by many other scientists. Additionally, these experiments showed this phenomenon always occurs. In this context, this statement is considered a law, which is a statement that describes an event or phenomenon that always happens and has been proven through experiments. Moreover, this is classified as a law rather than a theory because it only describes a phenomenon of genetics but does not explain it.
Answer:
answer is (a) law
Explanation:
taking the test rn .-.
The organization of the cell and the organisms is maintained through the use of _______. A. Metabolism B. Responsiveness C. Energy D. Synthesis
Answer:
C. Energy
Explanation:
the gluteus maximus is located superior to which muscle
Answer:
piriformis muscle is below the gluteus maximus
The gluteus maximus is located superior to the gastrocnemius muscle.
The gluteus maximus is the most superficial gluteal muscle and the main extensor muscle of the hip. The group of the gluteal muscles includes the gluteus maximus, gluteus medius, gluteus minimus and tensor fasciae latae. The gluteus maximus is a thick muscle that has a quadrangular shape. It is responsible for the maintenance of keeping the upper body erect.The gastrocnemius muscle, also known as leg triceps, is an important muscle that is required for walking and running. This muscle is located on the back portion of the lower leg. The tendon of the gastrocnemius muscle is joined with the tendon of the soleus muscle and both form the Achilles tendon and attach to the calcaneus (i.e., the heel bone).Learn more in:
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What would happen in an ecosystem without primary consumers? (3 points) a The populations of producers would increase. b The populations of decomposers would decrease. c The populations of omnivores would increase. d The populations of carnivores would increase.
Answer:
the answer is A
Explanation:
without the herbivores/primary consumers to eat them, the plants/producer population would increase.
Answer:
A
Explanation:
just got it correct on the question
What is the least hydrophilic substance
Answer:
oil
Explanation:
Among the given ones, the least hydrophilic substance is oil. The correct option is C.
What is hydrophilic substance?The 'hydrophilicity' of a molecule or surface refers to how much or how little it draws water.
Sugar, salt, starch, and cellulose are a few of the most typical examples of hydrophilic compounds. Polar compounds are those that are hydrophilic.
In contrast, since oils are nonpolar, they are not drawn to the polarity of water molecules. Oils are in fact hydrophobic, or "fearful of water." Oil molecules are repelled by water molecules rather than attracted to them.
A molecule of oil has a non-polar structure. Its charge does not have a positive or negative end, but is evenly balanced.
Thus, the correct option is C.
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Your question seems incomplete, the missing options are:
salt
an ion.
oil.
an amphipathic molecule.
a gas.
Which fossil must form before the cast fossil can form?
amber
mold
frozen
petrified
Answer:
C
Hoped I helped
Rita was all ears when Lee told her the secret. Lee knew that Rita would not spill the beans. Rita has always been a true friend and has a heart of gold. What did it mean by Rita was all ears?
Answer: Hi!
When the text says Rita was all ears, it meant that Rita was listening very closely to Lee and giving him all of her attention while he was talking.
Hope this helps!
An isotope of sodium (Na) has a mass number of 22 and an atomic number of 11. How many neutrons does it have?
Answer:
11
Explanation:
Neutron number=Atomic mass-atomic number
=22-11
=11
11 because Neutron number=Atomic mass-atomic number
=22-11
=11
Where is the atomic number?The periodic table displays all of the known elements and is arranged in order of increasing atomic number. In this table, an element's atomic number is indicated above the elemental symbol. Hydrogen, at the upper left of the table, has an atomic number of 1. Every hydrogen atom has one proton in its nucleus.
What is the electron number?The number of electrons in an atom is equal to the atomic number of an element, for neutrally charged species. This means the number of electrons and the number of protons in an element are equal. Therefore, the number of electrons in oxygen is 8
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