Explain the statement-“viruses are the link between living and non-living”.

Answers

Answer 1

Answer:

this is because they appear dead outside and alive inside beings


Related Questions

While performing an experiment, it is important to:
a. change the control setup
b. test many different variables at the same time
c. reach a conclusion
d. record observations and measurements

Answers

Answer:

D

Explanation:

While performing an experiment, it is important to record observations and measurements, as in Option d. Option d is correct regarding the facts of the experiments, while the others are wrong.

What is an experiment?

The experiment is carried out to observe the hypothesis, and in this process, a control set-up is taken whose value or result is already known, and the variables are taken and compared with the control. The controls set should never change in the experiment because the variables are tested with reference to them, and the measurements and observations of the experiment should be taken into consideration to prove the hypothesis. All the variables should not be tested at once because if this is done, it would introduce error into the experiment, and not all the experiments are done to get the conclusion.

Hence, while performing an experiment, it is important to record observations and measurements, as in Option d.

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Which of the following items was Darwin able to use to study the structures of
extinct organisms?
A. Fossils
O B. Species
O C. Amino acids
O D. Adaptations

Answers

Answer:

a

Explanation:

because that is all he had left of extinct animal's.

Answer:

A

Explanation:ithink not sure

Cómo explicarías tu que el soporte vegetal es más importante que los animales en un ecosistema?

Answers

Answer:

Las plantas son productores primarios, mientras que los animales son consumidores

Explanation:

La cadena alimenticia está conformada por niveles tróficos donde la energía fluye desde los niveles basales representados por la base de la pirámide, hasta los niveles superiores (pico de la pirámide). De este modo, los organismos representan diferentes eslabones de acuerdo a su posición en la cadena alimenticia. En el primer nivel se encuentran los productores primarios como lo son, por ejemplo, las plantas y algas de ambientes terrestres y acuáticos, respectivamente, siguiendo por los consumidores primarios (por ejemplo, especies hervívoras), continuando sucesivamente por los consumidores secundarios, terciarios y cuaternarios (especies carnívoras), los cuales se encuentran en posiciones cada vez más altas de la pirámide. No obstante, es importante indicar que existen ocasiones donde los consumidores superiores (ya sea secundarios, terciarios y cuaternarios) se alimentan de especies situadas por debajo de diferentes niveles no consecutivos e incluso también de especies pertenecientes al mismo nivel trófico, con lo cual encajando en más de una categoría y dificultando su clasificación en la cadena.

57 POINTSIn your own words, describe the connection between the heat from earth’s core and the movement of tectonic plates.

Answers

Answer:

(In explanation)

Explanation:

 The heat from the earth's core causes convection currents in the air under the earth's crust, causing the tectonic plates to shift/ move.

Differentiate between endangered species and extinct species (1 point 2 examples)

Answers

Answer:

Endangered: Still around but at risk of going extinct (example: tiger)Extinct: Gone forever (example: wooly mammoth)

Explanation:

An endangered species is one with a reduced population. These species can easily become extinct if all the remaining members die.

I'm always happy to help :)

how do i explain this?

Answers

Answer:

Oxygen debt is a physiological phenomenon in which a person consume oxygen at fater rate that it replaced by new oxygen molecules.

As shown in the graph, oxygen debt occurs just after the end of exercise because oxygen is consumed at faster rate during exercise that leads to  increased respiration and body attempts to replace the used oxygen.

To overcome the problem of oxygen debt, a person should take rest that allows the body to replenish its oxygen supply.

What has a greater influence on protein levels? A. Protein degradation has a greater influence because they are denatured faster than the cell can produce them B. mRNA destroyer concentration has a greater influence because it is destroying mRNA before proteins can even be produced C. mRNA destroyer concentration has a greater influence because mRNA is destroyed right after the proteins are produced D. Protein degradation has a greater influence because outside factors like antibiotics can cause it, and it is difficult to recover from

Answers

Answer: b

Explanation: i got the answer wrong and i’m looking at the results rn

Protein is being produced with the help of a process called translation in which mRNA gets translated to produce proteins. The translation is followed after the process of transcription of DNA to RNA.

The cause of the greater influence of protein levels has defined as follows:

The destruction of mRNA could greatly influence protein levels as mRNA is considered the source for proteins to get synthesized. This is because if mRNA gets destroyed, proteins would not have been produced at all. Thus, directly influences the levels of protein.

Thus, we can conclude that mRNA destroyer concentration has a greater influence because it is destroying mRNA before proteins can even be produced. Hence, option (b) is the correct answer.

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Which element is being cycled through Earth's system in the image shown
below?
Fossil fuels
Cellular
respiration
Photosynthesis
Animals
Plants
Industry and Home
Death and
decay
A. Oxygen
B. Nitrogen
c. Hydrogen
O D. Carbon

Answers

I took this quiz about 2 weeks ago but I forgot the answer. I think it was Carbon but you shouldn’t trust me till someone confirms it
carbon! hope this helps!!

name 3 physiological processes of cell membrane?{3mks} plz help me guys

Answers

Answer:

the cell membrane is an extremely pliable structure composed primarily of back -to- back phospholipids (a "bilayer")

If Earth’s average surface temperature continues to change over the next 30 years at the same rate it changed between 1980 and 2010, the average temperature will most likely be around

Answers

Answer:

Its B....

Explanation:

Get that 100.

Which space exploration activity has most helped astronomers determine the age of the solar system?

collection of lunar rock samples

experiments performed on the International Space Station

placement of mirrors on the lunar surface

collection of deep space images by the Hubble telescope

Answers

The best answer about the space exploration activity that has helped astronomers determine the age of the solar system is :  Collection of Lunar rock samples ( option 1 )

There are several exploration activities in which astronomers partake when they visit the solar system and they include :

experiments on the space station, placement of mirrors on the lunar surface and the collection of space images

But to determine the age of the solar system, collection of rock samples is the best activity, because rocks (one of the first substances found in the solar system )  are as old as where they are found.

Hence the space exploration activity that has helped astronomers determine the age of the solar system is the collection of lunar rock samples

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Answer:A

Explanation:Collection of lunar rock samples will help understand the moon more than the other options.

How many significant figures in 20.8cm?​

Answers

Answer:

[tex]\Huge \boxed{3}[/tex]

Explanation:

Significant figures include non-zero digits and in between zeros.

2    0   .   8

20.8 has 3 significant figures.

Answer:

[tex]\huge\boxed{3 \ significant \ figures}[/tex]

Explanation:

There are 3 significant figures in

 2   0   .   8

According to the rules of significant figures:

=> All non-zero digits are significant.

=> Zeroes that come between 2 non-zero digits are also significant.

So, 3 significant figures in the term 20.8 cm.

Which type of chromosomal disorders seems to have the greatest affect on a person’s health—disorders involving autosomes or sex chromosomes? Why do you think this might be the case? thanks in advance

Answers

Answer:

Disorders involving sex chromosomes.

we can take Turner's syndrome n klinefelter's syndrome as examples.

2. What happens in
terms of energy
when you hold a
craft stick and bend
it slightly?

Answers

Answer:

In a similar way a wooden tongue-depressor stick (like the kind used at the doctor's office) stores elastic potential energy when you bend it (though not if you break it). ... The elastic potential energy that was stored in the stick is transformed into movement, called kinetic energy.

Explanation:

The proximal convoluted tubule is A. lined with epithelial cells that lack microvilli. B. the site of glucose and amino acid reabsorption. C. permeable to water if ADH is present. D. impermeable to water. E. the site of water secretion.

Answers

Answer:

The correct answer is - option B.

Explanation:

The proximal convoluted tubule or PCT is the the part of nephron that lies in between of loop of Henle and bowman's capsule. The PCT is responsible for the most amount reabsorption of sodium, glucose, amino acids, water, potassium and chloride and reabsorbs around 65% to 100% of filtered substance.

Epithelial cells in the PCT reabsorb substances that have nutritional importance by the numerous microvilli on their surface.

Thus, the correct answer is - option B.

Illustrate the significance of membranes with the example of viruses

Answers

Answer:

Cell membrane encloses all the cell organelles.  In prokaryotes, membrane is absent and so membrane-bound cell organelles are also absent.

Significance of membrane can be explained with the help of viruses, as viruses lack cell membranes and that is why they require a host for living and uses the host's cell machinery to multiply.

Hence, cell membranes are important for living organisms to live and perform essential biological processes.

Only ------ percent of the food eaten is turned into its own body. ​

Answers

Answer:

10%

Explanation:

there is a the rule that only 10% of the energy is transferred from one trophic level to the other.

this means that only 10% of the food an organism eats  is passed onto the next organism. eg only 10% of the energy in a plant is transferred to a rabbit that eats the plant. After that if  a wolf eats the rabbit only 10% of the energy of food will pass on to the wolf.

Evaluate this statement: Gene flow increases the genetic divergence of populations. Evaluate this statement: Gene flow increases the genetic divergence of populations. This statement is true. This statement is false. Gene flow is not able to influence the genetic divergence of populations. This statement is false. Gene flow reduces the divergence of populations. This statement is false. Gene flow increases the number of genes in populations.

Answers

The correct answer is C. This statement is false. Gene flow reduces the divergence of populations.

Explanation:

In biology and related areas, genetic divergence occurs if populations with a common ancestor develop unique traits, which are the result of genetic changes over time. On the other hand, gene flow occurs when traits including genes flow from one population to another, usually because the populations are in contact. In this context, gene flow reduces divergence because if genetic material flows between populations is less likely each population can develop unique traits, instead the populations involved will have similar traits after some time.

The correct answer is C. This statement is false. Gene flow reduces the divergence of populations.

The following information should be considered;

In terms of biology and related areas, genetic divergence arise at the time when the populations are with a common ancestor that created unique traits, due to this there are genetic changes over time. While gene flow arise at the time when traits involved genes flow from one population to another, normally due to the populations are in contact. In this given situaton, gene flow reduces divergence since genetic material flows between populations is less likely every population can create unique traits, rather the populations involved will have similar traits.

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algae's general habitat?

Answers

Answer:

Algae is the process to describe that diverse group of photosynthetic lifeforms.

Explanation:

Algae is that environments process to the rivers and lakes to ponds waters an snow, algae living in the contain snow pigments that addition to the surrounding contain distinctive.

Algae is environment near inside water bodies, algae in many components in plants as stems and shoots or leaves nutrients water their body.

Algae like plants an special structure and algae is well defined body in the structure stems and leaves are photosynthetic organisms, algae are free living and symbolic relationship other organisms, there are many types of algae:- Green algae, blue and green algae ,red algae.

Green algae:- green algae to that conduct photosynthesis symbolic relation with higher organisms.

Blue and green algae:- this algae are include dams, river, lakes.

Red algae:- red algae is used in species found in freshwater ecosystem.

Algae is in unicellular and multicellular in environment nature.

Examine the statement. A scientific theory can become a scientific law, but a scientific law cannot become a scientific theory. If the statement is true, select “True.” If it is false, select the option that is true 1.) True 2.) A scientific theory can become a scientific law, and a scientific law can become a scientific theory. 3.) A scientific law can become a scientific theory, but a scientific theory cannot become a scientific law. 4.) A scientific theory cannot become a scientific law, and a scientific law cannot become a scientific theory.

Answers

Answer:

It's true.

Explanation:

In general, a scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it. The explanation of a phenomenon is called a scientific theory. It is a misconception that theories turn into laws with enough research.

When the scientists test the idea, they develop a theory by following a set of logical steps. A theory becomes a scientific law once it has been rigorously examined and accepted. Thus, option A is correct.

What A scientific theory can become a scientific law?

One prevalent fallacy is the idea that hypotheses eventually become laws. Despite the number of supporting examples, hypotheses do not actually become laws after repeated testing.

Scientific laws, like theories, explain occurrences that the scientific community has determined to be verifiably true. In general, laws explain what will occur in a specific circumstance and are proven by a mathematical equation, whereas theories explain how the phenomenon occurs.

Therefore, A testable explanation of a natural event is what constitutes a scientific hypothesis. The concept of gravity, for instance, explains why an apple always falls to the ground when.

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what is the answer to 9k=27

Answers

Answer:

K=3

Explanation:

We divide both sides by 9 which is 9k/9=27/9 then cancel 9 by 9 and by 9 once by 9 thrice.

On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake. During the eruption, hot ash and pumice poured down the west, south, and east sides of the mountain, melting the snow and ice at the top of the volcano and producing volcanic mudflows. Which type of process first occurred in the ecosystem around Mount St. Helens after it erupted?
primary succession
secondary succession
a climax community
species extinction

Answers

Answer:

Primary succession

Explanation:

Primary succession is mostly cause by volcanic eruption

The first ecosystem to occur in the Mount St. Helens after eruption is the primary succession.

What is a primary succession?

The term primary succession refers to the organisms that first occur in an ecosystem after a major event such as the volcanic eruption has taken place.

In this case, the first ecosystem to occur in the Mount St. Helens after eruption is the primary succession.

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Please help!

A. I only

B. II only

C. III only

D. I and III only

Answers

Answer:

a

Explanation:

my reason is that the capacity carrying is 35

Answer:

[tex]\boxed{\mathrm{A. \: I \ only}}[/tex]

Explanation:

The graph does not mention any seasons. The graph is not growing geometrically. For about 9 months the population has been about 35.

Which of the following is not an example of energy transformations in an ecosystem?
a. sunlight driving photosynthesis in plants
b. herbivores feeding on plants
C. predators feeding on herbivores
d. none of the above

Answers

Answer:

d. none of the above

Explanation:

Energy, which refers to the ability to do work, can exist in different forms. The process of changing energy from one form to another is called TRANSFORMATION OF ENERGY. In an ecosystem, all organisms require energy in order to perform their life processes. They acquire these energy in different forms and convert it to a usable form by their cells (chemical energy) in ATP.

For example, solar energy in Sunlight is used by plants to drive their photosynthetic process and change it to chemical energy in glucose. Also, predators and herbivores feeding on herbivores and plants respectively converts one form of energy to another. Hence, all options are examples of energy transformation. None of the above is the correct answer.

Answer:

I think the correct answer is d ,

because all of them are an example of energy transforming in an ecosystem.

 

Hope this helps you guys!!!!!!

:)

One reason cancer cells are easier to culture than normal cells extracted from an organism is that ________. Group of answer choices cancer cells grow in a more regulated fashion. cancer cells do not need to adhere to a substratum to grow. nutrient requirements for cancer cells are precisely defined. cancer cells are better models for demonstrating what happens in an intact organism.

Answers

Let's list the given options alphabetically to choose the appropriate answer.

One reason cancer cells are easier to culture than normal cells extracted from an organism is that ________. Group of answer choices

A. cancer cells grow in a more regulated fashion.

B. cancer cells do not need to adhere to a substratum to grow.

C. nutrient requirements for cancer cells are precisely defined.

D. cancer cells are better models for demonstrating what happens in an intact organism

Answer:

B.

Explanation:

Cancer cells are easier to culture in comparison to normal cells because cancer cells do not need to adhere to a substratum to grow.

As cancer cells are uncontrolled growth of cells and they do not require any substratum to grow and can easily grow to a culture while a normal cell require optimal conditions to grow in a culture.

Hence, the correct option is "B".

What will happen if external factors affect cell division in a group of cells placed in a culture dish? A) Anchorage dependence will cause the cells to attach to each other after dividing. B) Anchorage dependence will prevent the cells from dividing until they attach to the dish. C) Density-dependent inhibition will cause the cells to divide until the dish is completely full. D) Density-dependent inhibition will destroy large cells to create room for new cells.

Answers

Answer:

C) density-dependent inhibition will cause the cells to divide until the dish is completely full

Explanation:

Just took the exam

Which label in the graphic represents the energy that is released from glucose by cellular respiration?
Oxygen
Glucose
Energy stored as ATP
Carbon dioxide and water

Answers

Answer:

C) Energy stored as ATP

Explanation:

100% on edge

why do we study plants?​

Answers

Plants provide us with oxygen, food, fuel and fiber. Among other reasons, scientists study plants to improve and secure the food supply for an increasing world population, identify new sources of bioactive compounds and medicines, improve fiber production and identify sources of biofuels and biorenewable resources.

Why might an ecosystem be better able to
cope with a season of forest tent caterpillar
outbreak than an increase in acidic
precipitation?

Answers

Answer: It contains leach aluminium.

Explanation:The ecological effect of acid rain are most Clearly seen in aquatic environment such as, stream, lakes and marshe where it can be harmful to fish and other wildlifes.

Eye color is an example of 1. Transcriptional control 2. gene expression 3. translational control 4. gene regulation

Answers

Answer:

Eye color is an example of Gene expression

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The free-energy changes of the individual steps in a pathway are summed to determine the overall free-energy change.A. TrueB. False In RST, RS = 7, RT = 10, and ST = 8. Which angle of RST has the smallest measure? A T BCANNT BE DETERMINDED C R D S Let f(x) and g(x) be polynomials as shown below. Which of the following is true about f(x) and g(x)? f(x) and g(x) are not closed under multiplication because when multiplied, the result will not be a polynomial. f(x) and g(x) are not closed under multiplication because when multiplied, the result will be a polynomial. f(x) and g(x) are closed under multiplication because when multiplied, the result will not be a polynomial. f(x) and g(x) are closed under multiplication because when multiplied, the result will be a polynomial. Reset Submit Which of the following is not true about sex differences in educational achievement? Read the excerpt from "The Most Dangerous Game, by Richard Connell. 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