PLEASEEE HELP!!! Can someone please help me with this question

PLEASEEE HELP!!! Can Someone Please Help Me With This Question

Answers

Answer 1

Answer:

The answer is

Explanation:

The particle is a virus because it has genetic information and can infect humans.

Hope this helps....

Have a nice day!!!!

Answer 2

Answer:

A

Explanation:


Related Questions

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.

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.

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

Answers

Answer:

this is because they appear dead outside and alive inside beings

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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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".

How does Photosynthesis relate to Cellular (aerobic) Respiration?
A. Photosynthesis breaks down glucose, Respiration builds it.
B. They are equal but opposite reactions.
C. Photosynthesis is for plants, while Respiration is for animals.
D. They are not related.

Answers

Answer: photosynthesis breaks down glucose. Hope you understand

Explanation:

Photosynthesis is related to Cellular (aerobic) Respiration in that they are equal but opposite reactions and the correct option is option B.

Photosynthesis and cellular respiration are complementary processes that are crucial for the energy flow in ecosystems. In photosynthesis, plants and some bacteria use sunlight to convert carbon dioxide and water into glucose and oxygen. This process stores energy in the form of glucose.

In cellular respiration, organisms, including plants and animals, break down glucose and other organic molecules in the presence of oxygen to release energy for cellular activities. This process consumes glucose and oxygen and produces carbon dioxide and water as byproducts.

Photosynthesis and cellular respiration are interconnected through the exchange of products and reactants. The oxygen produced in photosynthesis is used in cellular respiration, while the carbon dioxide produced in cellular respiration is used in photosynthesis. As a result, they form a continuous cycle that maintains the balance of oxygen and carbon dioxide in the atmosphere and provides energy for living organisms.

Thus, the ideal selection is option B.

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Studies of topsoil erosion on Iowa farmland shows that as much as 50 metric tons are lost per hectare during winter and spring rains. This loss is due to the loss of millimeters of soil from across the entire surface of the fields. Which type of erosion would this be?

Answers

Answer:

The type of erosion described in the question is called Water Erosion.

Explanation:

Note that the erosion is caused by winter and spring rains.

Water Erosion can happen when raindrops disintegrate the aggregates of the topsoil. The fragments collect into the soil pores and create a coagulating action which makes it difficult for the water to penetrate the soil. The rainwater having increasingly accumulated on the surface flows off along with the topsoil.

This type of erosion can be further aggravated if:

the rainfall is very heavy;the terrain has a steep gradient thus increasing the velocity of runoffthe soil type has a lower capacity to erosion

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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")

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.

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.

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.

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.

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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!!!!!!

:)

The plateau phase of population growth is best described as: A. The population stops growing because they moved into the plateau environment at this stage. B. The population pauses in its growth after a natural disaster before growing again. C. The population moves onto a large, raised, flat area called a plateau for protection from predator. D. The population stops growing because the environment has reached its carrying capacity.

Answers

Answer:

C. The population moves onto a large, raised, flat area called a plateau for protection from predator.

Explanation:

The plateau phase of population growth indicates that the population has stopped growing as the environment has reached its carrying capacity.

What is the plateau phase in population growth?

The population after going through different phases eventually reaches the plateau phase where the growth of the population stops or become constant. This is the outcome of the natality rate becoming equivalent to the mortality rate.

This occurs as the resources in the environment become less or scarce as well as there is an elevation in predators and parasites. These are considered as limiting factors to the growth of population. This makes the population number relatively stable. With the limitation in the resources it can be said that the environment has attained its carrying capacity.

Thus, the correct statement is option D.

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The hypothalamic hormone that triggers the secretion of FSH and LH from the anterior pituitary is

Answers

Answer:

Hypothalamic-Pituitary-Gonadal Axis

GnRH produced by the hypothalamus stimulates the production of both LH and FSH. FSH functions by stimulating ovarian follicular development in females and regulating spermatogenesis in males. LH induces ovulation and corpus luteum formation in the ovaries.

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The first seismic waves to reach seismograph stations move in a push-and-pull motion. They are called
Love waves
secondary waves
primary waves
surface waves

Answers

Answer:

primary waves

Hope this helps :)

Answer:

hi, your answer is... primary waves.

Which statement explains how a DNA mutation causes sickle-cell anemia?(1 point)

Answers

Answer:

DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape

Explanation:

Sickle cell mutation is a mutation that affect the production of red blood cell that is needed for the transport of oxygen in the bloods stream.

sickle cell mutation is a result of change in the amino acid which are building blocks of the protein hemoglobin.

The protein is what gives red cells their color, it has two subunits. The alpha

and beta subunit. There is a change in the arrangements of amino acid sequence and that is the basis for the sickle cell shape, beta subunit has valine an amino acid at position 6 instead of the glutamic acid. This alteration results in sickle cell problems that occur in people.

Answer:

Explanation:

From the options:

The DNA mutation increases the number of amino acids in hemoglobin, which causes a change in the shape of red blood cells.

The DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape of red blood cells.

The DNA mutation decreases the number of amino acids in hemoglobin, which causes a change in the shape of red blood cells.

O The DNA mutation prevents formation of hemoglobin, the absence of wirich causes a change in the shape of red blood cells.

The correct answer would be that "The DNA mutation causes a change in the amino acid sequence for hemoglobin, which causes a change in the shape of red blood cells. "

The sickle-cell anemia is caused by a change in the amino acid sequence of the hemoglobin - specifically, as a result of the substitution of the sixth amino acid, glutamic acid, by valine in the beta subunit of the proteins that make up the hemoglobin. A single base substitution causes glutamic acid to be changed to valine.

The normal hemoglobin is disc-shaped and is able to effectively carry oxygen in the blood, unlike the sickle-cell hemoglobin which has the sickle shape and is not able to effectively carry oxygen in the blood.

After getting the slide and microscope ready, Stella is eager to see the microscopic pond water specimen! She crouches around her microscope and aligns her eye with the microscope’s eyepiece. But she's only able to see a bright white light..

Answers

Answer: there are no specimens on the slide

Pasteur's experiments proved that ________. Pasteur's experiments proved that ________. spontaneous generation can only occur if nutrient broth is left open to the environment cells cannot survive in swan-necked flasks preexisting cells present in the air can grow in sterilized nutrient broth sterilizing nutrient broth prevents spontaneous generation in order to grow, cells need to be supplied with oxygen

Answers

Answer:

preexisting cells present in the air can grow in sterilized nutrient broth

Explanation:

Spontaneous generation, which is the theory that life can arise from nonliving matter, has long been believed to be the way living organisms develop. However, in 1858, a French scientist called Louis Pasteur disproved the theory of spontaneous generation.

Louis Pasteur conducted an experiment to show that it is the existing microorganisms in air that causes life to grow and not the air itself. Pasteur made use of a swan-necked flask, which contained a sterilized (by boiling) broth. The swan-necked flask was designed in such a way that it would allow air to enter but trap any airborne microorganism, preventing them from reaching the broth.

Hence, if it were truly air and not existing life organisms that caused life growth, organisms should begin to grow from the broth. He conducted another experiment where be broke the neck of the flask to allow the entry of microorganisms into the sterilized broth and found out that growth of microorganisms occured on the broth.

Therefore, Pasteur, via his experiment was able to prove that preexisting cells present in the air can grow in sterilized nutrient broth if allowed entry but when there is no entry, there would be no life growth. This experiment disproved the theory of spontaneous generation.

why it is necessary to water the plant for experiment​

Answers

Answer:

To activate the process of germination.

Explanation:

So the plants can get the whole photosynthesis step because it need sunlight and water to continue to grow.

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

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:

Which of the following is an example of homoplasy? Which of the following is an example of homoplasy? hair in humans and fur in bear streamlined bodies in dolphins and ichthyosaurs Hox genes in humans and sea stars astragalus ankle bones in camel and pig

Answers

Answer:

streamlined bodies in dolphins and ichthyosaurs

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Two groups of tomatoes were grown in the laboratory, one with humus added to the soil and the other a control without humus. The leaves of the plants grown without humus were yellowish (less green) compared with those of the plants grown in humus-enriched soil. The best explanation for this difference is that __________.

Answers

Answer:

The best explanation for this difference is that the humus contained micronutrients needed by the plants for the synthesis of chlorophyll, such as Manganese (Mn), Iron (Fe) and Copper (Cu).

Explanation:

Chlorosis is the yellowing of plant leaves, and this is due to the deficiency in the amount of chlorophyll contained in the plant leaves. Iron (Fe) is an essential micronutrient for the synthesis of chlorophyll, which is an enzyme-catalyzed reaction. Copper (Cu) is a component of most enzymes, while Manganese (Mn) is a cofactor, required for the activation of the enzymes that catalyze chlorophyll synthesis, hence deficiency of these nutrients will result in the development of chlorosis.

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.

2. From the knowledge of nutrition:-
a) What five conditions are necessary for photosynthesis to occur​

Answers

Answer:

Carbon dioxide

sunlight

oxygen

chlorophyll

water

Hope this helps u

difference between photosynthesis and respiration​

Answers

Answer: Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water.

Answer:

Phototsynthesis takes water, sunlight, and CO2 and turns it into O2. Cellular Respiration take nutirents and O2 to create ATP.

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.

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.

what in your home would be considered something you could study in biology?

Answers

Answer:

Food and plants!

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The budget must plan for enough cash on December 31 to pay the spring semester tuition, which is the same as the fall tuition. The following information relates to the budget: Cash balance, September 1 (from a summer job) $9,250 Purchase season football tickets in September 160 Additional entertainment for each month 250 Pay fall semester tuition in September 4,800 Pay rent at the beginning of each month 600 Pay for food each month 550 Pay apartment deposit on September 2 (to be returned December 15) 600 Part-time job earnings each month (net of taxes) 950Required:a. Prepare a cash budget for September, October, November, and December. b. Are the four monthly budgets that are presented prepared as static budgets or flexible budgets?c. What are the budget implications for Craig Kovar? Read the excerpt from The Odyssey,Six benches were left empty in every shipthat evening when we pulled away from death.And this new grief we bore with us to sea:our precious lives we had, but not our friends,No ship made sail next day until some shipmatehad raised a cry, three times, for each poor ghostunfleshed by the Cicones on that field.Which key details should be included in a paraphraseof this passage? Check all that apply.A shipmate cried out three times for each life lost.Six men from each ship lost their lives at Cicones,The ships pulled away from shore during theevening,The men were greatly saddened by the loss of theirfriendsMany of Odysseus's men did not escape with theirlives A company's board of directors votes to declare a cash dividend of $1.20 per share of common stock. The company has 24,000 shares authorized, 19,000 issued, and 18,500 shares outstanding. The total amount of the cash dividend is: Write an expression for two times the difference of eight and d. How many grams of H2O will be formed when 32.0 g H2 is mixed with 73.0 g of O2 and allowed to react to form water What was the result of alliances between European countries against one another? France and Russia went to war with one another. Germany invaded Poland. Countries began to engage in militarism. America sought to intervene in European affairs. The game begins with the player having 20 POINTSThe player rolls 2 six sided dice and the sum of faces on the two dice are calculated. Thats called the players POINT.If the POINT is a 7 or 11, the player wins his POINTIf the POINT is a 2, 3, or 12, the player loses his POINTIf the POINT is anything else, then the game continues by the player rolling the two dice again and again recording and checking the sum untilThe player makes his point (The sum of his dice roll equals his POINT value) and then he wins his POINTThe player rolls a 7 and then he loses his POINT.The player is considered a winner if he can acquire 60 POINTS and is considered a loser when he runs out POINTSAfter the program has finished, display the total number of rolls of the dice that were made in the entire game.In need for python file grade 11 work The organismal theory teaches that _____.the basic unit of life is the organismthe basic unit of life is the cellall cells have the same basic structurecells are miniature reflections of the organisms from which they are taken Which is one criterion that materials of a technological design should meet? They must be imported. They must be affordable. They must be naturally made. They must be locally produced. plz answer fast Which is not a crystalline allotrope of carbon? Select one: a. soot b. diamond c. graphite Who says the following quote in Romeo and Juliet?Yet I should kill thee with much cherishing. Good night, good night. Parting is such sweet sorrow that I shall say "Good night" till it be morrow. The rate of economic growth per capita in France from 1996 to 2000 was 1.9% per year, while in Korea over the same period it was 4.2%. Per capita real GDP was $28,900 in France in 2003, and $12,700 in Korea. Assume the growth rates for each country remain the same. 1. Compute the doubling time for Frances per capita real GDP. Use the rule of 72. 2. Compute the doubling time for Koreas per capita real GDP. Use the rule of 72. 3. What will Frances per capita real GDP be in 2045? 4. What will Koreas per capita real GDP be in 2045? A monopolist's maximized rate of economic profits is $1500 per week. Its weekly output is 500 units, and at this output rate, the firm's marginal cost is $32 per unit. The price at which it sells each unit is $42 per unit. At these profit and output rates, what are the firm's average total cost and marginal revenue? I already found the vertex, but can someone help me find the latus rectum of this parabola?