Light waves do not need a medium in which to travel but sound waves do. Explain that unlike sound, light waves travel fastest through a vacuum and air, and slower through other materials such as glass or water.
Answer:
light travel faster in Vacuum and Air
How is the circulatory system like a network of highways?
(a) Describe why monitoring the growth rate of the E. Coli-M bacteria is a useful indicator of the effect of the glycolytic enzyme mutation on the bacteria.
Answer:
The monitoring the growth rate of E.Coli bacteria is a useful indicator of the effect of glycotic enzyme mutation on the bacteria as the flow of intracellular metabolic components depends on the availability of carbon. Hence the change in carbon source can change the glyclyotic enzyme mutation up or down.
Explanation:
Continuous culture is a method that can be used by the researchers for determining whether mutation affects the growth rate of E.Colin-M bacteria
If the growth medium contains higher concentration of acetate,then the growth of the bacteria will be inhibited without inhibiting its central metabolism.
When E.Coli grows ,it secrets acetate. This mechanism is called overflow mechanism. Regulatory interactions mediated by acetyl-phosphate plays a major role in inhibiting growth by acetate. The uncoupling effect of organic acids or perturbation of the anion composition of the cell is a major reason for growth inhibition.
The arteries and arterioles of the circulatory system transport O2 to the?
d. heart.
a. mouth.
b. lungs.
c. cells.
Answer:
C. Cells
Explanation:
Arteries and anterioles carry oxygen away from the heart. An easy way to remember this is:
Arteries = Away
hope this helps :)
Why was the geocentric model of the solar system accepted by scientists for many years? Select the two correct answers.
A. The model described the solar system correctly.
B. The model accurately predicted the movements of the planets.
C. Suitable technology was not available to disprove the model.
D. Observations with telescopes confirmed the predictions made using the model.
which of the following events is most likely to result in conditions suitable for primary succession?
Answer:
An earthquake , a forest fire , a hurricane and a volcanic eruption.
Explanation:
An earthquake , a forest fire , a hurricane and a volcanic eruption are the events that is responsible for the suitable conditions for primary succession because all the population of animals and vegetation are removed from an area and the new type of organisms is start to living in that new environment. These new organism has the ability to survive that environmental conditions. These events completely removed the population in the environment and provides conditions for primary succession.
Answer:
Volcano eruption
Explanation:
Took the test
1. Some gaseous pollutants bond with water to form little droplets known as _________.
a.Rainfall
b.Water droplets
c.Pollution
d.Aerosols
2.Which size of pollution particle is most dangerous to human health?
a.Large particles (10 micrometers wide or more)
b.Medium sized particles (3-10 micrometers wide)
c.Small particles (less than 3 micrometers wide)
d.None, because pollution is not hazardous to human health
3.Which pollutants are hazardous to human health?
a.Sulfur dioxides
b.Carbon Monoxide
c.Volatile organic compounds (VOCs)
d.All of the above
Answer: 1. Aerosols 2. Small particles 3. All of the above.( all of those chemicals are harmful to humans)
Explanation: I took the test :D Here you go!
PLEASE HELP WITH MY BIOLOGY
I think A makes the most sense..
True or False: During an El Nino year, something changes about the ocean currents and the prevailing winds
propose a definition for digestion using the following terms; nutrients, food, liquids, solids, transformation and digestive juices
Answer:
Large solid food particles are breakdown into small simper food molecules.
Explanation:
Digestion is the process in which large solid food particles are breakdown into small simper food molecules so that they can be absorbed by the body and added to the blood plasma. These simpler molecules are absorbed by the cells to generate energy in the form of ATP. This transformation from solid food particles into simpler molecule through mechanical and chemical digestion. Mechanical digestion starts from the mouth in which the sold big particles are changed into smaller pieces with the help of teeth while on the other hand, the chemical digestion occurs through digestive juices that helps in break down.
Please anyone one help please no links
Answer: I think it is c
Explanation: if they make artificial coral reefs that would provide homes for the fish and aquatic animals. This would cause biodiversity to increase.
Lichens are often the first species to colonize an environment during primary succession. In general, the first species to colonize an environment is called
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Answer:
Pioneer species
Explanation:
Pioneer species pave the path for future species to inhabit an area. Hope it helps :)
Two bodies of water that are approximately the same size depth and latitude are found to have a large difference in the number of species inhabiting them what is likely the contributing island biogeography factor resulting in a difference in the number of species found in each body of water?
Answer:
Due to the presence of suitable environment.
Explanation:
Suitable environmental conditions are responsible for the presence of large amount of species in water bodies because suitable environmental conditions provides necessary materials for the growth and survival of organisms. The marine environment that have sufficient amount of food, space, optimum temperature, pH and salt concentrations so in this environment more number of species are present due to increase in population as compared to those ecosystem having harsh environmental conditions.
Is there a 100% chance that the puppies will have solid fur?
HELPPPP 30 PTS AND BRAINLY!!! 5 MULT. CHOICE PROBS WITH REASONING PLEASEE
Answer:
I know proteins are made in Ribosomes so I would say the Rough Enplopasmic whatchacall it
Explanation:
uhhh i took biology, sorry thats the only one i an help on its been a while
Which best describes the density of Earth's layers?
O The crust is the most dense because it is the top layer.
O The mantle is the most dense because it is the thickest layer.
The outer core is the most dense because it is the only liquid layer.
O The inner core is the most dense because it is under the most pressure.
Answer:
Explanation:
Please help, any unnecessary answers will be reported. Thanks :)
Answer:
The first one
Basically the blood vessels that carry blood away from the heart are called arteries
Yo plz help no links
High _________ and pressure are needed to form a metamorphic rock.
a. erosion
b. crystallization
Answer:
A. Erosion
Explanation:
A metamorphic rock takes a long time to form because of its shape and form. Therefore, the answer would be erosion.
Answer:
Erosion
hope this helps
have a good day :)
Explanation:
True or false: when we say "left" we are talking about the doctor's point of view when looking at the heart
Answer:
I think the answer might be false. Im not 10% sure. Good luck though!
Explanation:
True or false:
Bones are not a suitable sample for drug or poison testing.
Answer:
Bones are not a suitable sample for drug or poison testing. T/F
False is correct
Answer:
false is what the answer is
ANSWER ASAP!! Which type of selection occurs when a population experiences a shift in diversity toward the larger organisms?
1. stabilizing selection
2. directional selection
3. disruptive selection
4. adaptive selection
Answer:
2
Explanation:
edge 2021
The type of selection that occurs when a population experiences a shift in diversity toward the larger organisms is a directional selection.
What is a selection?It is a phenomenon by which some organisms have better advantage at surviving than the others of the same species.These organisms prevail and are reproductively more successful than the others.What is a directional selection?It is the type of selection in which an extreme phenotype is selected and the rest are at a disadvantage."The allele frequency is shifted in the direction of that phenotype.What is a disruptive selection?It is the type of selection in which both the extreme phenotypes are favored than the others.
What is a stabilizing selection?It is the opposite of directional selection.In this the mean phenotype is selected and the extreme phenotypes are not.To learn more about phenotypes, selection, directional selection and population here,
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Which of the following explains why geological events occur?
a The lower mantle is solid rock
b The crust is the same thickness throughout
c The crust is a single layer throughout
d The lower mantle is hotter
Answer:
Hey there,
The answer is A.
This is because the crust is broken into parts called plates and these plates collide with each other or separate from each other or slide past each other.
They move because they sit on top of semi molten rock in the mantle. The semi molten rock moves due to convection currents which is heated up by the core.
It’s is not option B because it does not have u form thickness through out it. For eg the continental crust is 60 km thick while the oceanic plates are wonly 10km thick.
It is not C as the mantle is semi molten not solid.
And it’s not D because it’s not a single layer but multiple layers.
So A is the answer.
I hope this helps!
Explanation:
what contains the genetic material within a cell
Answer:
The nucleus of living cells contains the genetic material that determines the entire structure and function of that cell.
Explanation:
What is the function of; 1.plumule,
2.embryo,
3.hilum,
4.microphone
5.and cotyledon?
Answer:
1=Function of Plumule (shoot tip): The plumule is the part of the embryo that develops into the shoot bearing the leaves of the plant. The plumule gives rise to aerial shoots. The function of cotyledon: They store reserve food material or serve as photosynthetic organs in young seedlings.
2=An embryo is the early stage of development of a multicellular organism. In general, in organisms that reproduce sexually, embryonic development is the part of the life cycle that begins just after fertilization and continues through the formation of body structures, such as tissues and organs.
3=. In botany, a hilum (pronounced /ˈhaɪləm/) is a scar or mark left on a seed coat by the former attachment to the ovary wall or to the funiculus (which in turn attaches to the ovary wall). ... The adjectival form hilar denotes the presence of such a mark, and can be used as a distinguishing characteristic of a seed or spore........!!!!!
4=A microphone is the device responsible for transferring sound as it travels through the air, and converting it into electrical impulses that can be amplified by PA systems, or recorded by either analog or digital recorders.
5= Cotyledons help supply the nutrition a plant embryo needs to germinate and become established as a photosynthetic organism and may themselves be a source of nutritional reserves or may aid the embryo in metabolizing nutrition stored elsewhere in the seed.
Explanation:
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Explanation:
Please some one help ASAP no links please
Answer: I think it is c
Explanation:
Which term describes the number of different species in an area?
Responses
A. Ecosystem
B. Habitat
C. Biodiversity
D. Biome
Answer:
Biodiversity
Explanation:
Biodiversity is the variety of life in a habitat or ecosystem
What are the end products of transcription and translation?
A) Transcription: amino acid, Translation: protein
B) Transcription: RNA, Translation: protein
C) Transcription: protein, Translation: RNA
Answer:
B
Explanation:
If the blockage is removed from the blood vessel, what will happen to blood flow after removal?
Answer:
Normally, blood flows freely through your blood vessels, arteries, and veins. Your arteries carry blood with oxygen and nutrients to your body. Yours veins carry waste products back to the heart. In some cases, the blood thickens and clumps to form a blood clot in one of these vessels. This can block the blood flow. When blood flow is blocked, nearby tissues can be damaged.During a surgical thrombectomy, a surgeon makes an incision into a blood vessel. The clot is removed, and the blood vessel is repaired. This restores blood flow. In some cases, a balloon or other device may be put in the blood vessel to help keep it open.
Can an embryo be considered a human? (Explain why it can't be human)
I'll give brainliest!!!
Answer:
Embryos are whole human beings, at the early stage of their maturation. The term 'embryo', similar to the terms 'infant' and 'adolescent', refers to a determinate and enduring organism at a particular stage of development.
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Different genotypes always produce different phenotypes. Explain, using an example, why this is NOT true.
Answer:
This is not true because different genotypes can express the same phenotype, depending on the genes present.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.