Answers
Answer:
Nucleotide
Explanation:
I took the test and it was right.
The name of the building block of DNA that is depicted by X in the attached image is nucleotides.
DNA:
DNA or deoxyribonucleic acid is a biological molecule that stores genetic information in living cells. DNA molecule is a biological polymer and hence, is made up of monomers called nucleotides. Nucleotide is the subunit of a DNA molecule. Nucleotide is made up of three components namely: nitrogenous bases, phosphate group and pentose sugar. In the image attached to this question, X is used to represent the building block of DNA, hence, it is a nucleotide.Learn more at: https://brainly.com/question/22499464?referrer=searchResults
Related Questions
Which components bond with the nitrogenous base, guanine, in a section of double-stranded DNA?
A. Ribose sugar and uracil
B. Deoxyribose sugar, phosphate, and Thymine
C. Guanine, cytosine, and phosphate
D. Cytosine and deoxyribose sugar
Answers
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Actually Welcome to the Concept of the Biology
The components that bond with nitrogenous vase, guanine, in a section of double-stranded DNA is
B.) Deoxyribose Sugar, Phosphate and Thymine.
Answer:
Cytosine and deoxyribose sugar
Explanation:
i took the 7.01-7.03 quiz on k12 and got 100%
Students in a science class visited four local ecosystems. The students observed the species present in each ecosystem and recorded their observations in the table.
Based on these observations, which ecosystem is likely to be the least sustainable?
A.Ecosystem 1, because it has the fewest species
B.Ecosystem 2, because it includes both aquatic and terrestrial species
C.Ecosystem 3, because it has few predators
D.Ecosystem 4, because it supports many animals
Answers
the answer is A
this is because in ecosystem 1 there are only predators and no other species are observed. therefore predators have less food to eat thus they will die of hunger or move to another ecosystem
This is because in ecosystem 1 there are only predators and no other species are observed. therefore predators have less food to eat thus they will die of hunger or move to another ecosystem.
What is Ecosystem?
An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.
Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms. Abiotic factors include rocks, temperature, and humidity.
Every factor in an ecosystem depends on every other factor, either directly or indirectly. A change in the temperature of an ecosystem will often affect what plants will grow there, for instance.
Therefore, This is because in ecosystem 1 there are only predators and no other species are observed. therefore predators have less food to eat thus they will die of hunger or move to another ecosystem.
To learn more about Ecosystem, refer to the link:
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how do eumelanin and pheomelanin affect our skin color?
Answers
Answer:
There are two types of melanin--eumelanin and pheomelanin. In general, the more eumelanin in your skin, the darker your skin will be. People who make more pheomelanin than eumelanin tend to have lighter skin with freckles. Like many other traits, the amount and kind of pigment in your skin is controlled by genes
Explanation:
Why do thermos bottle keep cold beverages contained inside them from getting warm?
Answers
Hope this helps:)
An energy pyramid is shown below. Which portion of the diagram represents the level with the least available energy?
Answers
Answer:
Explanation:
The top predator. This is because, when energy goes higher on the pyramid, ten percent is taken in by each animal, so less energy is left for each animal.
You are performing an experiment with Primase, using a specific DNA template. In this experiment, you provide NTPs (ATP, UTP, CTP, GTP) which contained only one radioactive phosphate group, in the alpha-phosphate position (the alpha- phosphate is the one attached to the sugar. the other phosphates are beta and gamma). After RNA synthesis occurs, you separate the resultant RNA strand any of the NTPs that have not been incorporated into the RNA, and measure the radioactivity of the newly synthesized RNA.A) In this experiment, would you expect the newly synthesized RNA be radioactive? Explain why.B) If you forgot to add CTP when you did the experiment, would the resulting RNA be radioactive?C) If you did the experiment, with all the NTPs provided, but only the beta phosphate was radioactive for each of the NTPs, would radioactivity be found in the RNA? Explain why.D) If you did the experiment, with all the required NTPs, but only the ATP was radiolabelled Would radioactivity be found in the RNA? Explain why.
Answers
Answer:
(a). Yes.
(b). RNA becomes Radioactive.
(c). No.
(d). It depends. If the gamma phosphate and beta phosphate are not labeled, then the RNA will have certain degree of radioactivity.
Explanation:
So, let us do right into the explanation behind the answers to the questions asked.
(a). The answer to this part of the question is "Yes" because in creating or in the formation of the glycosidic bond, all the alpha phosphate group were taken into consideration that is they were all used, thus making the newly synthesized RNA to be radioactive.
(b). The RNA becomes Radioactive is the answer to this part of this question because CTP is needed in the experiment.
(c). The answer to this part (c) of this question is ''No'' because the only thing that takes part in bonding is the alpha phosphate.
(d). It depends. If the gamma phosphate and beta phosphate are not labeled, then the RNA will have certain degree of radioactivity.
what do plant cells do?
Answers
Answer:
Create glucose
Explanation:
they go through photosynthesis and create glucose
Which of the following is not one of the three steps (processes) involved in urine formation?
Answers
The following is not one of the three steps (processes) involved in urine formation - Erythropoietin production.
ErythropoietinIt is a hormone that has no role in urine production. The steps of urine production are:
glomerular filtration - the filtration of blood, which is carried out by the glomerulus tubular reabsorption - The tubular epithelial cells in different segments of the nephron perform absorption (reabsorption) either by active or passive mechanismstubular secretion - helps in the maintenance of an ionic and acid-base balance of body fluids.Learn more about urine production:
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Compare transitional aquatic ecosystems. Identify two types in the organizer below and describe the environments each type combines. 9th grade Biology
Answers
Answer:
The correct answer is -
wetlands - land and water
estuaries - freshwater and salt water
Explanation:
There are three types of aquatic ecosystems that are lentic, lotic, and wetlands. Lentic ecosystems include slow-moving or non-moving water systems like pools, lakes, or ponds. The Lotic system on the other hand is aquatic systems with faster-moving water systems like the ocean or river also known as estuaries.
Wetlands are the system that has unique properties of having vegetation adapted according to the condition or situations on the water in saturated soil flood with water seasonally or permanent.
Aquatic system organizers
wetlands - land and water
estuaries - freshwater and salt water
From what age are the earliest discovered paintings of swimmers?
Answers
Answer:
The paintings are estimated to have been created during the Neolithic 8,000 years ago.
As. Why do biennial plants need two years to complete
their live Span ?
Answers
If a cell does not go through the Sphase of the cell cycle before mitosis, what might be wrong with the daughter cells?
Answers
Answer:
Synthesis is the phase of the cell cycle in which DNA is replicated, occurring between G1 phase and G2 phase. Since accurate duplication of the genome is critical to successful cell division, the processes that occur during S-phase are tightly regulated and widely conserved.
Explanation:
If a cell has not properly copied its chromosomes or there is damage to the DNA, the CDK will not activate the S phase cyclin and the cell will not progress to the G2 phase. The cell will remain in S phase until the chromosomes are properly copied, or the cell will undergo programmed cell death.
Each step in the cell division is controlled and regulated by proteins like Cyclins. If a cell does not go through the S phase, it can not go to the G2 phase until the replication process is completed, or until it's programmed cell death.
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As the cell passes through different steps of cell division, there are auto control mechanisms to ensure that the step was correctly performed and the cell is ready to go to the next step.
Many regulator molecules act during the different stages of the mitosis process to make it possible.
There are too many factors interacting, activating, and deactivating to pass from one stage to another.
Cyclins are proteins that regulate the whole cell cycle. There are different types of cycling, each of them acting on a different stage.
When the cell is going through one of the stages, the only cyclin in high levels is the one that is regulating that cycle.
Once that stage is over, that cyclin concentration decreases, and the following one increases.
But if any step was not correctly performed, the cell can not pass to the following one.
During the S stage of the interphase occurs the DNI replication process.
At this point, also occurs the synthesis of histones and other associated proteins.
This is the only stage where the DNI molecule is replicated.
S phase cyclins are in charge of regulating the stage of DNA replication.
If the cell does not go through the S phase, the cyclins of this stage are not activated. And if S phase cyclins are not active, the cell can not go to the G2 phase.
The cell remains in the S phase until the DNA replication process is correctly done. And if it does not occur, the cell suffer programmed cell death.
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The enzyme catalase is important to many organisms. This enzyme convertshydrogen peroxide, which can be toxic to cells,to oxygen and water. The optimum pH at which it functions is 7.0. If the pH changes too much in either direction. the function of catalase decreases. Which is TRUE about catalase ?
Catalase is a nucleic acid.
catalase is affected by pH as it is a protein.
Catalase can vaporize at room temperature.
Catalase is a carbohydrate
Answers
Answer:
yes
Explanation:
catalase is a carbohydrate
Which of the following groups could be classified as an ecosystem?
A)The total of all plants and algae populations in a pond
B)The biotic and abiotic factors interacting in a pond
C)The fungi, bacteria, and animals in a pond
D)The light, temperature, and minerals in a pond
Answers
Answer:
The fungi, bacteria, and animals in a pond
Explanation:
Hope this helps :)
Answer:
C) the fungi, bacteria, and animals in a pond
Explanation: Ecosystem: a biological community of interacting organisms and their physical environment:
Read each question carefully. Write your response in the space provided for each part of each question. Answers must be written out in paragraph form. Outlines, bulleted lists, or diagrams alone are not acceptable and will not be scored.
White blood cells called B cells produce proteins that can be used for the treatment of certain illnesses. However, these B cells do not live for very long on their own. To keep the B cells growing for a long time in laboratories, scientists fuse the B cells with cancer cells (fused B-cancer cells) that do grow for a very long time. The particular cancer cells used for the fusion are treated with chemicals that make them unable to produce the nitrogenous bases adenine and guanine, but the B cells with which they are fused do produce these nitrogenous bases. The scientists grow the large fused B-cancer cells in a growth medium that contains necessary nutrients for the cells and includes a source of carbon.
(a) Describe the role of carbon in biological systems.
(b) The membranes of both B cells and the cancer cells are largely composed of phospholipids. Explain how, when the membranes are fused, the polar parts of the phospholipids from one cell will interact with the phospholipids from the other cell and how the nonpolar parts of the phospholipids from one cell will interact with the phospholipids from the other cell.
(c) Make a claim about the most immediate effect on the fused B-cancer cells if the fused cells are transferred to a growth medium that lacks a source of nitrogen.
(d) Provide reasoning with evidence based on the composition of biological macromolecules to support your claim.
Answers
Answer: they can be ruduce
Explanation:
(ANSWER NEED RIGHT AWAY!! PLS) A classmate claims that an apple and cupcake, both about the same size, give you the same amount of energy. Do you agree or disagree with this
statement? Explain.
Answers
Answer:
No, just because something is the same size doesn't mean it will have the same amount of energy. One thing can have more positive electrons and make it have more energy than the other.
What is a pathway for an atom (carbon)
Answers
Answer:
-- --
)____(
Explanation:
The carbon atom can make a transition between photosynthesis and respiration because the carbon atom is both a reactant and a product. For example, plants take in carbon dioxide for photosynthesis which releases oxygen. Then other organisms use this oxygen for respiration, which releases carbon dioxide.n:
When you feel cold, there are sensors in your skin that tell the brain you need to warm up. The brain sends messages, by way of nerves, to the muscles in your body causing them to contract and relax very quickly resulting in a shiver. The movement of the muscles during a shiver generates heat which can be used to warm up the surrounding tissues. Which characteristic(s) of life is being represented during this action?
A) respond to stimuli
B) maintain homeostasis
C) growth and adaptation
D) respond to stimuli and maintain homeostasis
Answers
State which type of fat is harmful to human, and what kind of bonds it has. *
Answers
Answer:
saturated fats:single bonds
trans fat: one doubled bond
Plzz help!
Which best describes the relationship between two species and a niche?
If two species have the same niche, one species will always become extinct.
Two species are able to occupy the same niche in the same habitat.
Two species cannot occupy the same niche in the same habitat.
If two species have the same niche, one species will always move.
Answers
Answer:
C. Two species cannot occupy the same niche in the same habitat.
Explanation:
just took the quiz
Answer:
C
Explanation:
I did it on edge 2020
Which of the following bones are considered to be the MOST proximal?
metatarsals
clavicle
ulna
olecranon
Answers
Answer:
Of the group of bones mentioned, the most proximal is the clavicle, which is part of the shoulder girdle.
Explanation:
Proximal is a reference term used in anatomy to indicate the structures that are closest to the center of the body.
The bones mentioned -clavicle, olecranon, ulna and metatarsals- are related to the function of the limbs. The clavicle is the closest bone to them, located between the neck and the thorax, on each side of the midline of the body.
Regarding the other options, other bones are distal, as they move away from the center of the body. In order from less distal to more distal they are found:
Olecranon, which is a bone eminence of the ulna, in the upper limb. Ulna or cubitus, which is part of the bones of the forearm. Metatarsals are the bones that form part of the foot.A local ecosystem includes a variety of grasses that grow on spongy soil. In spring, heavy rainfall and melted snow cover the soil in a few inches
of water. The ecosystem dries up by late summer. What term BEST describes this ecosystem?
A. pond
B. estuary
C. wetland
D. stream bed
Answers
Answer:
The correct answer is C. Wetland.
Explanation:
A wetland is a generic name for habitats located between hard ground and open water. Wetlands include, for example, wet and waterlogged shallow land, shallow lakes and seas, marshes, floodplain forests, and flowing waters.
Wetlands provide a breeding ground for many animal and plant species and can act as a buffer in flood areas and prevent severe and sudden floods. Rainfall, waters entering the catchment area, soil and ground elevation differences in the area, and water evaporation form the hydrological conditions of the wetlands. Wetlands are one of the most valuable and endangered habitats on Earth. Swamps, overgrown lakes, flood-prone areas, shallow bays, water-covered beach areas and mangrove beaches are all endangered habitats.
which ligament connects the shaft of the metatarsals
Answers
Answer:
plantar metatarsophalangeal ligament
Explanation:
The plantar metatarsophalangeal ligament attaches proximally from the head of the metatarsal to the base of the phalanx distally. The ligament extends plantarly from the medial tubercle to the lateral tubercle along the plantar surface of the joint.
The ligament that connects the shaft of the metatarsals is :
-Plantar metatarsophalangeal ligament
MetatarsalsThe ligament that connects the shaft of the metatarsals is the plantar metatarsophalangeal ligament.
The plantar metatarsophalangeal tendon connects proximally from the head of the metatarsal to the base of the phalanx distally.
The tendon amplifies planarly from the average tubercle to the sidelong tubercle along the plantar surface of the joint.
Learn more about "Ligament":
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Plz ASAP What is the male sex cell that results from meiosis?
zygote
sperm
egg
bacteria
Answers
Answer:
sperm
Explanation:
Answer:
b. sperm
Explanation: it is what fertilizes the egg (female meiosis cell) to create a zygote.
E2020
HELPP PLEASE!!
What is a subjective claim?
A claim based in personal opinion.
A claim that covers two subjects or topics.
A claim based on verifiable fact.
Answers
Answer:
A
Explanation:
its a expression of belief, opinion, or personal preference
When ice and snow move overland in compacted large quantities, they erode the soil and can change landforms. Which object creates this type of erosion?
Answers
Grapes growing on a vine are observed to shrink slightly during the day and increase in size at night. This is because:
a. developing fruits, such as grapes, transpire a lot of water to stay cool.
b. photosynthesis to produce sugar occurs in the light, but respiration and, therefore, the growth of new cells occurs mostly in the dark.
c. in leaves, phloem flow to growing sinks only occurs when the stomata are closed, because the transport capacity of the xylem is too small to supply water for both transpiration and phloem flow.
d. during the day, transpiration pulls on the water in the whole plant, causing the grapes to shrink slightly.
Answers
Answer:
b. photosynthesis to produce sugar occurs in the light, but respiration and, therefore, the growth of new cells occurs mostly in the dark.
Explanation:
Photosynthesis is the means by which green plants produce their foods by the use of sunlight, chlorophyll and carbon dioxide.
During the day, the grape make use of the process, photosynthesis, to get its sufficient food, thus the reason for the slight shrink. But at night, it respire well and new cells are produced. So that its size increase a bit.
What does the study of embryology tell us about evolution?
Answers
Answer:Embryology, the study of the development of the anatomy of an organism to its adult form, provides evidence for evolution as embryo formation in widely-divergent groups of organisms tends to be conserved. ... Another form of evidence of evolution is the convergence of form in organisms that share similar environments.
Explanation:it will help you with anatpony
what is the scientific name for powdered pepper
Answers
Answer:
Capsicum
or
Tracheophyte
Explanation:
The scientific name of powdered pepper is Capsicum annuum . For a pepper plant to grow , it takes approximately 3 to 4 years . These pepper are very useful to us for many purposes . They help in good digestion of food whenever a person is going through ingestion .
Which products do not have scientific studies supporting their claims to be beneficial when used?
A. Cofactors and coenzymes to support enzyme function
B. Lactase enzymes used in milk sugar digestion
C. Enzyme that aids in the digestion of oligosaccharides
D. Enzymes to promote immune system function
Answers
Answer:
B (not sure)
Explanation:
sorry if I'm wrong (which I'm probably). Research more on the internet. Maybe take a look at ur school book