Cell membranes can regulate the transport of materials into and out of the cell. thus, cell membranes are said to be:______

Answer:

C

Explanation:

Antibodies could be employed to eliminate this bacteria in the absence of complement proteins by attaching to the polysaccharide coat and letting the PRRs see the surface molecules.

Proteins called antibodies protects you when your body comes into contact with an unwanted substance.

The complement cascade or a chain of events that results in the killing of bacteria, could not be activated by antibodies in the absence of complement proteins.

The bacteria's polysaccharide coat would not prevent the antibodies from attaching to it and thus exposing the surface molecules to the PRRs. As a result, even in the absence of complement proteins, the phagocytic cells would be able to identify the bacteria and engulf them.

Therefore, above given is the mechanism on how antibodies could be employed to eliminate Vibrio vulnificus in the absence of complement proteins.

Learn more about phagocytic here;

https://brainly.com/question/7285177

#SPJ12

The traits that make sharks and rays successful predators include a light cartilage skeleton, backward-pointing denticles, ampullae of Lorenzin, and lateral lines. These features allow them to move quickly and quietly through the water, sense prey with their lateral lines, detect electric fields with their ampullae of Lorenzin, and capture and hold onto prey with their backward-pointing denticles.

Therefore, the correct answer is E, all of the above.


Each of these traits contributes to the predatory success of sharks and rays. The light cartilage skeleton allows for increased flexibility and speed, backward-pointing denticles reduce drag in the water, ampullae of Lorenzini help detect electric fields from prey, and lateral lines detect vibrations and movements in the water.

Learn more about cartilage skeleton

brainly.com/question/29189576

#SPJ11

Homeostasis is the internal process that enables living things to survive changing conditions.

Homeostasis is the ability of living organisms to maintain internal stability and balance in the face of changing external conditions. It involves various physiological processes that work together to regulate body temperature, pH levels, nutrient levels, and other vital parameters within a narrow range. Through homeostasis, organisms can respond and adapt to environmental changes, ensuring their survival and optimal functioning. This process allows living things to maintain a stable internal environment despite fluctuations in the external environment, providing stability and supporting essential biological functions. Homeostasis is crucial for the survival and well-being of all living organisms.

Learn more about internal here:

https://brainly.com/question/33720173

#SPJ11

Answer:

well blondes is when you can't see a especially color I am so sorry

Creating insect-resistant corn can provide benefits such as increased crop yields, reduced use of pesticides, and potential cost savings for farmers, but it can also have drawbacks such as potential impact on non-target organisms, development of insect resistance, and concerns about the long-term health effects of consuming genetically modified foods.

Insect-resistant corn is a genetically modified crop that produces a toxin toxic to certain insect pests. By incorporating this trait into corn plants, farmers can reduce the damage caused by pests such as corn borers and cutworms, leading to higher crop yields and increased profitability. Additionally, farmers may be able to reduce their use of chemical pesticides, which can be expensive and have negative environmental impacts.

However, there are also potential drawbacks to creating insect-resistant corn. One concern is the potential impact on non-target organisms, such as beneficial insects and wildlife, that may be inadvertently exposed to the toxin. In addition, widespread use of genetically modified crops could lead to the development of insect populations that are resistant to the toxin, ultimately reducing the effectiveness of the technology. Finally, there are also concerns about the long-term health effects of consuming genetically modified foods, although research on this topic is ongoing and inconclusive.

To know more about pesticides, click here.

https://brainly.com/question/30295459

#SPJ4

Answer:

I would select

A and C

Explanation:

Biotic factors are those of which are living

Answer: C)  DNA replication

Explanation: A mutation in this cell may be passed to the woman's offspring during During this process, the nucleus of a cell divides to form two nuclei that are identical to the original cell. (AKA DNA replication)

Answer:

the correct answer is D

Explanation:

Answer:

1. every organism on the food chain will be affected. the ones below it will have a higher population, and the ones above it will have a lower population.

2. biodiversity is the idea, that all life is different, and environments thrive with it.

3. biodiversity is important in an ecosystem because if you take out biodiversity, you essentially take out all the animals in the given ecosystem.

Explanation:

1. when you remove lets say a spider from a food chain, the bugs that it would've eaten will start growing in population from not being eaten by the spiders. the birds that wouldve eaten the spiders, will decrease from the lack of that food source.

2. is self explanatory

3. if you only had one type of bird in one ecosystem, and that was the only animal in that ecosystem, the birds would all die, because they wouldn't have anything to eat, and nothing would eat it, so they might resort to cannibalism, or, as earlier stated, they would die off, from lack of food. the ecosystem would not be sustainable.

Molecules start moving faster as the kinetic energy of the molecules becomes fast when the temperature increases. That's why, the rate of an enzyme-controlled reaction will change with the temperature.

An enzyme is a catalyst in biology, and its work is to lower the activation energy and increase the rate of reaction. But in this whole process, the enzyme itself is not being used up.

Whenever the temperature changes from high to low or low to high, the kinetic energy of the molecules in a reaction also changes.

Here, the temperature increases from 35°C to 55°C, there will be more kinetic energy.

So, if the kinetic energy is more, there would be more collision between molecules which thus results in more complex substrates formed.

To learn more about enzyme-controlled reactions, refer to this link:

https://brainly.com/question/30884729

Answer:Molecules start moving faster as the kinetic energy of the molecules becomes fast when the temperature increases. That's why, the rate of an enzyme-controlled reaction will change with the temperature.

An enzyme is a catalyst in biology, and its work is to lower the activation energy and increase the rate of reaction. But in this whole process, the enzyme itself is not being used up.

Whenever the temperature changes from high to low or low to high, the kinetic energy of the molecules in a reaction also changes.

Here, the temperature increases from 35°C to 55°C, there will be more kinetic energy.

So, if the kinetic energy is more, there would be more collision between molecules which thus results in more complex substrates formed.

Explanation:

Each sphere of the Earth system with the corresponding feature.

lithosphere -glaciers

biosphere-horse and mountains

atmosphere- oxygen

hydrosphere comprises - biosphere and hydrosphere

Lithosphere is the solid crust or the hard top layer of the earth. It is made up of rocks and minerals.

The biosphere is made up of the parts of Earth where life exists.

An atmosphere is the layers of gases surrounding a planet or other celestial body.

A hydrosphere is the total amount of water on a planet.

To learn more about Earth system ,here

https://brainly.com/question/15666040?referrer=searchResults

#SPJ2

Answer:A-A. B-D. C-C. D-B.

Explanation:hope this helps!!sorry if confusing!have an awesome Tuesday guys!

It is important for cells to have both error free and error prone DNA repair because each type of repair is important in different scenarios. Error free DNA repair is important for preventing mutations from occurring in the DNA.

This is important because mutations can lead to diseases such as cancer.

Error free DNA repair mechanisms include base excision repair and nucleotide excision repair, which remove damaged or incorrect nucleotides and replace them with the correct ones.

On the other hand, error prone DNA repair is important in situations where the DNA is so damaged that error free repair is not possible. In these cases, error prone repair mechanisms such as translesion synthesis can help the cell to continue replicating its DNA even in the presence of damage. This is important because it allows the cell to continue dividing and functioning even in the face of severe DNA damage.

Overall, both error free and error prone DNA repair are important for maintaining the integrity of the genome and preventing diseases caused by DNA damage.

Learn more about cells at

https://brainly.com/question/3142913

#SPJ11

Among the best sources of calcium are cooked kale, spinach, and collard greens. With 164 mg of calcium in a half-cup, collard greens have the highest amount. Hence (c) is the correct option.

It is common practise to add calcium to cereals and orange juice. Some fortified juices contain calcium citrate malate, which can be easily absorbed. Sources of food. While dairy products are the finest source of calcium, many foods also contain this mineral. A form of calcium that is easily absorbed by your body is present in milk and dairy products including yoghurt, cheese, and buttermilk. For children aged 1 to 2, whole milk (4% fat) is advised.

To know more about calcium, click here:

https://brainly.com/question/30954368

#SPJ4

According to the information provided in question,

a) The actual population size is 500 elephants.

b) The effective population size is 250 elephants.

The actual population size is the total number of elephants in the crater, which can be calculated by adding the number of adult females, juveniles, and adult males:
200 adult females + 150 juveniles + 150 adult males = 500 elephants

So, the actual population size is 500 elephants.

b) The effective population size is based on the number of breeding individuals in the population. Since only 50 adult males can mate, we need to consider those 50 males along with the 200 adult females:

50 breeding males + 200 adult females = 250 breeding individuals
So, the effective population size is 250 elephants.

For more such questions on population size, click on:

https://brainly.com/question/30916711

#SPJ11

The percentage of rain runoff for a storm that rains 21 cm in 24 hours is 87 mm per hour compared to a storm that rains 1 cm in 24 hours is = 4 mm of rain per hour

The Rational Formula is expressed as Q = CiA where: Q = Peak runoff rate in cubic feet per second C = Runoff coefficient, an empirical coefficient representing a relationship between rainfall and runoff.

Simple and straightforward methods of calculating runoff can tell you how much water storms bring to land. For a given surface area, such as a roof or yard, multiply the area by inches of rain and divide by 231 to get runoff in gallons

Learn more about rain runoff in  brainly.com/question/11130398

#SPJ1

   Hardness.

   Luster.

   Color.

   Streak.

   Specific Gravity.

The solid Earth (the mantle and crust) is made of rock. You may have noticed that there are many kinds of rocks, from the soft sandy rocks that form the cliffs at Scripps beach to the hard rocks that form the mountains to the East of San Diego. Geologists have developed a way of classifying the various rocks and understand fairly well where they come from and where they go. There are three general types of rocks, those that form from melt (igneous rocks), those that are deposited from air or water (sedimentary rocks), and those that have formed by "cooking" or otherwise altering another rock (metamorphic rocks). Sedimentary rocks form by breaking down other kinds of rocks into small particles and washing or blowing them away; metamorphic rocks form from other rocks and igneous rocks form by melting other rocks. Thus rocks are always changing form and are as part of a giant cycle of renewal. This cycle is called the Rock Cycle.

Answer:

c.arterioles

Explanation:

Answer:

Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff.

Explanation:

1. The conversion of liquids into gas is termed

as Evaporation.

2. The conversion of Gas into liquids is called

Condensation.

3. The falling of water droplets in the form of

rain after condensation of clouds is called

Precipitation.

4. The cyclic exchange of water into its different

stages is called Water Cycle.

5. The amount of water vapor present in the

atmosphere is called the Humidity.

Answer:

cellular respiration

Explanation:

Answer: the sun

Explanation:

As soon as the hairs on Xander's arms started lying flat against his skin, the most likely internal body temperature is 37°C, or 98.6°F. Therefore the correct option is option C.

Homeostasis is the mechanism by which the body maintains a stable internal environment in response to changes in external circumstances. In the human body, it is critical for optimal health that certain physiological parameters are maintained within a narrow range of values.

Temperature, blood pressure, pH, and glucose levels are just a few examples of physiological parameters that must be kept constant to ensure that body cells function properly.

This conclusion is based on the concept of thermoregulation, which is the process by which the body maintains a stable internal temperature. Therefore the correct option is option C.

For such more question on body temperature:

https://brainly.com/question/30633597

#SPJ11

The production and assembly of the cell's ribosomes take place in the nucleolus, a spherical component of the cell's nucleus. Ribosomal RNA genes are also translated into the nucleolus.

A lengthy ribosomal RNA (rRNA) precursor molecule is translated from DNA in the nucleolus, where it is converted into three mature RNAs.

Assembled with particular proteins to form the big and small ribosomal subunits.

A section of the nucleus is known as the nucleolus. It is not encircled by a membrane, unlike the nucleus.

Therefore, ribosomal RNA genes are also translated into the nucleolus.

Learn more about nucleolus, here:

https://brainly.com/question/17975136

#SPJ1

Answer:

¿Qué aplicaciones tiene la biotecnologia actualmente?

Ejemplos de biotecnología

Antibióticos.

Cultivos de bacterias y levaduras.

Leche descremada, fortificada o larga vida.

Aportes a la lucha contra el cáncer.

Producción de biocombustibles.

Plantas transgénicas.

Plásticos biodegradables.

Vacunas.

B: Sugar intolerance does not arise from a defect in the immune system.

Allergies, autoimmune diseases, and immunodeficiency all arise from defects in the immune system. Allergies are caused by an overreaction of the immune system to harmless substances. Autoimmune diseases are caused by the immune system attacking healthy cells. Immunodeficiency is a condition in which the immune system is not able to fight off infections.

Sugar intolerance, on the other hand, is not caused by a defect in the immune system. It is caused by a problem with the way the body breaks down sugar. People with sugar intolerance may have difficulty digesting sugar, which can lead to symptoms such as bloating, gas, and diarrhea.

In short, sugar intolerance is not caused by a defect in the immune system. It is caused by a problem with the way the body breaks down sugar.

Here are some additional details about each of the answer choices:

To learn more about immune system, here

https://brainly.com/question/32392480

#SPJ4

Answer:

Explanation:

Three examples of reducing sugars are glucose, fructose, and lactose.

Reducing sugars are carbohydrates that contain a free aldehyde or ketone functional group. These functional groups are capable of reducing other compounds, such as the Benedict's reagent or Fehling's solution, and causing them to change color. Glucose and fructose are monosaccharides, while lactose is a disaccharide made up of glucose and galactose. All three sugars are commonly found in various foods and beverages.

Answer:

Glucose, fructose, galactose