A scientist thought he may have discovered a new plant compound that would lower blood pressure in people. In his first experiment, he injected one hundred mice with the compound and found that the blood pressure in ninety-five of the treated mice was not affected. However, all of the mice seemed to grow at a faster rate then the control group. Which statement described the most likely outcome of this investigation?

QUESTION POSTED AT 06/12/2019 - 12:17 PM

Answered by admin AT 06/12/2019 - 12:17 PM

Hello!!! the answer would be : The knowledge gained will lead to further experimentation that could potentially result in a new use for the drug.
Post your answer

Related questions

Which microscope did Robert Hooke use to study tree bark? electron microscope compound light microscope simple microscope scanning microscope

Answer:

B

Explanation:

compound light microscope

ANSWERED AT 18/01/2020 - 01:11 PM


QUESTION POSTED AT 18/01/2020 - 01:11 PM

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope?

The statement best that explains why cells were observed in more detail using compound microscope than a simple microscope is : compound microscope has greater magnification ability than the simple microscope .

This will allow us to observe the subject with a much smaller size, making it easier for us to observe the detail

hope this helps

ANSWERED AT 18/01/2020 - 01:10 PM


QUESTION POSTED AT 18/01/2020 - 01:10 PM

A group of habitats makes up a _____. community biome population

It would be biome                                                                                                           A group of many diffrent habitats makes up a biome. 

ANSWERED AT 18/01/2020 - 01:07 PM


QUESTION POSTED AT 18/01/2020 - 01:07 PM

When Jacob starts running, his legs move faster and his heart rate increases. Which types of muscles are involved in these changes? A.) Skeletal muscles control his leg movement and smooth muscles control his heart rate. B.) Skeletal muscles control his leg movement and cardiac muscles control his heart rate. C.) Smooth muscles control his leg movement and cardiac muscles control his heart rate. D.) Skeletal muscles control both his leg movement and heart rate.

Answer:

The most appropriate answer would be option B.

The voluntary movements such as leg movements, movement of hands, posture et cetera are controlled with the of skeletal muscles. These are striated muscles which are controlled with the help of the somatic nervous system.

The heart rate is regulated with the help of the autonomic nervous system which controls the cardiac muscles. Cardiac muscles are a special type of striated muscles which constitute the heart tissue.

ANSWERED AT 18/01/2020 - 01:03 PM


QUESTION POSTED AT 18/01/2020 - 01:03 PM

What two components are often found as part of an enzyme?

protein

non-protein, also called a cofactor


ANSWERED AT 18/01/2020 - 12:58 PM


QUESTION POSTED AT 18/01/2020 - 12:58 PM

Which of the following statements about agricultural societies is true? a. Agricultural societies did not pollute the environment. b. Agricultural societies impacted the environment less than hunter-gatherer societies. c. Agricultural societies had a higher population than hunter-gatherer societies. d. Agricultural societies impacted the environment more than industrial societies.

The correct answer is option C. Agricultural societies had a higher population than hunter-gatherer societies.

The hunting is not a very popular profession now-a-days, but the agriculture is very common and there are many people, who are involved in the profession of the agricultural production. So, the agricultural societies have a much higher population as compared to the that of the hunter-gather societies. Also, the hunting is banned for many animals and cannot produce enough money to support the basic livelihood.

ANSWERED AT 18/01/2020 - 12:58 PM


QUESTION POSTED AT 18/01/2020 - 12:58 PM

Which group of organisms has the derived characteristics of true tissues, bilateral symmetry, and a pseudocoelom?

The group of organisms that has the derived characteristics of true tissues, bilateral symmetry, and a pseudocoelom is the animalia kingdom. They present all of the mentioned characteristics.


An example of a pseudocoelom is the roundworm.


I hope it helps, Regards.

ANSWERED AT 18/01/2020 - 12:57 PM


QUESTION POSTED AT 18/01/2020 - 12:57 PM

Which group of organisms has the derived characteristics of true tissues, bilateral symmetry, and a pseudocoelom?

The correct answer is Nematodes, also known as roundworms. They fit the description that you provided.

ANSWERED AT 18/01/2020 - 12:56 PM


QUESTION POSTED AT 18/01/2020 - 12:56 PM

In Indian cuisine, sometimes a papaya is added to make meat cook faster. Which of the following is a plausible explanation of why this method speeds the chemical changes that occur during cooking?

The papaya, especially the green one, is used as a tenderizer in boiling red meat. This is because of the property of papaya's skin and leaves contain enzymes called papain. When this papain get contact to red meat the connecting tissue of the meat easily breaks down

ANSWERED AT 18/01/2020 - 12:54 PM


QUESTION POSTED AT 18/01/2020 - 12:54 PM

Which statement about enzymes is true

Answer:

Explanation:

Enzymes don't take part in a reaction but just speeds up a reaction

ANSWERED AT 18/01/2020 - 12:51 PM


QUESTION POSTED AT 18/01/2020 - 12:51 PM

Which is not a major similarity or difference between freshwater and marine ecosystems? I believe its b a. both support a large number of plants and animals adapted for aquatic living b. ocean and freshwater system conditions generally remain constant throughout the year c. freshwater ecosystems have a very low salt concentration, and include ponds, lakes, streams, wetlands, and rivers d. saltwater ecosystems have a high salt concentration and include oceans, coral reefs, and estuaries

The correct answer is:

b. ocean and freshwater system conditions generally remain constant throughout the year .

Explanation:

ocean and freshwater system requirements frequently remain constant completely the year. This is not true because they are very inconsistent. For examples, freshwater rivers can completely freeze during the winter while oceans can't freeze entirely, not even a bit. Also, the animals inside have radically changed body structures to fight these changes.

ANSWERED AT 18/01/2020 - 12:46 PM


QUESTION POSTED AT 18/01/2020 - 12:46 PM

A person usually experiences changes in body temperature over a 24 hour period. is it caused by immune responses?

At times, a person may have experienced a sudden or unexpected change in body temperature within a 24-hour period. This change in the body temperature is caused by immune responses. If there is a detected infection in the body, the immune system fights back thus causing the change of body temperature. It's quit natral accualy.

ANSWERED AT 18/01/2020 - 12:46 PM


QUESTION POSTED AT 18/01/2020 - 12:46 PM

Which statement best compares potential and kinetic energy? Objects always have more potential energy than kinetic energy. Only kinetic energy increases when the velocity of an object increases. Only potential energy decreases when an object’s height increases. Objects always have more kinetic energy than potential energy.

The correct answer for above statement is:

Only kinetic energy increases when the velocity of an object increases.

Explanation:

It is considered as the work required to expedite the object of provided mass from the rest position to designated velocity. The kinetic energy of an object raises because of the network was done over it. Accordingly, when the object gets acceleration from the state of rest to the change it gains velocity. Thus, determining when the kinetic energy of an object improves velocity increases.

ANSWERED AT 18/01/2020 - 12:44 PM


QUESTION POSTED AT 18/01/2020 - 12:44 PM

Which is an appropriate justification for this the roots of the aquatic plant hydrilla are poorly developed and lack xylem tissue.

The most appropriate justification for the roots of the aquatic plant hydrilla to be poorly developed and lack xylem tissue is to reduce the intake of water to the plant. Therefor the best answer choice is…


C) As hydrilla is aquatic in nature, the roots do not have to search for water, and there is no need for xylem to absorb water because the plant is surrounded by water.


Please see image attached.


I hope it helps, Regards. 

ANSWERED AT 18/01/2020 - 12:40 PM


QUESTION POSTED AT 18/01/2020 - 12:40 PM

Which of the following affects the intensity of the combustion reaction ifs Bunsen burner ? A.)the temperature in the laboratory B.)the position of the Bunsen burner C.)the amount of air that mixes with the gas stream

The amount of oxygen that mixes with the gas stream effects the intensity of the combustion reaction in Bunsen burner. The correct option among all the options that are given in the question is the last option or option "C". The increase in the amount of air mix will result in a flame that has a higher temperature.

ANSWERED AT 18/01/2020 - 12:40 PM


QUESTION POSTED AT 18/01/2020 - 12:40 PM

One specific substance necessary for muscle activity that is delivered to muscles more efficiently as a result of increased heart rate

One specific substance necessary for muscle activity that is delivered to muscles more efficiently as a result of increased heart rate is blood volume. With increased blood volume, the amount of hemoglobin will increase and this will result in an increased intake of oxygen. This will make a person exercise for a longer span of time.

ANSWERED AT 18/01/2020 - 12:35 PM


QUESTION POSTED AT 18/01/2020 - 12:35 PM

Which adaptation might be found in the greater yellow-headed vulture, but not in the harpy eagle? a. a acute sense of smell b. a powerful, hooked bill c. close-set eyes to judge distances d. short wingspan for maneuverability

The correct answer is a. acute sense of smell. The greater-yellow headed vulture has developed this particular adaptation as a result of its diet, which consists of the dead corpses of forest mammals. Unlike the harpy eagle, which hunts for live prey, the vulture feeds upon animals which are no longer moving so this highly developed sense of smell is necessary for survival.

ANSWERED AT 18/01/2020 - 12:31 PM


QUESTION POSTED AT 18/01/2020 - 12:31 PM

As blood flows through the capillaries in the lungs, it drops off and picks up .

Answer: The correct answer is-

As blood flows through the capillaries in the lungs, it drops off and picks up carbon dioxide and oxygen respectively.

Deoxygenated blood ( carrying carbon dioxide) reach lungs from right ventricle of heart via pulmonary artery, which decreases diameter and forms capillaries on the alveoli ( tiny air sacs in the lungs for the gaseous exchange).

Thus, oxygen is taken up by the blood ( so as to transport it to the rest  of the body) whereas carbon dioxide ( which is a waste product of metabolism in the body) is dropped at lungs, which is then released out of body through exhalation.

ANSWERED AT 18/01/2020 - 12:30 PM


QUESTION POSTED AT 18/01/2020 - 12:30 PM

Name two things found in a plant cell that are not found in an animal cell

Chloroplast and chlorophyll
 

ANSWERED AT 18/01/2020 - 12:29 PM


QUESTION POSTED AT 18/01/2020 - 12:29 PM

Scientific consensus supports the idea that living organisms require oxygen. Then, a scientist discovers a type of bacteria that metabolizes sulfur instead of oxygen, and thus survives in environments without oxygen. The scientist concludes that a diverse group of many different organisms could live in an oxygen-free environment. Why should are some scientists skeptical of the scientist’s results and conclusion?

The answer is that the conclusion needs to be supported by more evidence.

It is not enough to find some type of bacteria that can live in an oxygen-free environment to conclude there are many different organisms that also can. It is necessary to know what mechanisms of the organisms are responsible for such characteristics that help them  survive in environments without oxygen. There must be more evidence from different group of organisms that will confirm the conclusion.

ANSWERED AT 18/01/2020 - 12:27 PM


QUESTION POSTED AT 18/01/2020 - 12:27 PM

How many plant species are in the California Floristic Province? a. 6000 b. 7000 c. 8000 d. 9000

8000 plant species in the California Floristic Province

ANSWERED AT 18/01/2020 - 12:26 PM


QUESTION POSTED AT 18/01/2020 - 12:26 PM

Scientists group organisms into kingdoms by looking at specific characteristics. Which is a characteristic of a carrot plant? no cell walls heterotrophic unicellular eukaryotic

Scientists group organisms into kingdoms by looking at specific characteristics. The characteristic of the carrot plant is eukaryotic. Organisms with eukaryotic cells are whose cells contain a nucleus and other organelles enclosed within membranes.

Explanation:

Eukaryotes are organisms whose cells have a nucleus surrounded by membranes, unlike prokaryotes. Eukaryotic cells are larger than prokaryotic cells and have a “true” nucleus, membrane-bound organelles, and rod-shaped chromosomes. The nucleus houses the cell's DNA and regulates the structure of proteins and ribosomes.

ANSWERED AT 18/01/2020 - 12:25 PM


QUESTION POSTED AT 18/01/2020 - 12:25 PM

Which group of organisms brings the MOST energy into an ecosystem? a. consumers b. carnivores c. producers d. herbivores

The answer to this question is C

ANSWERED AT 18/01/2020 - 12:23 PM


QUESTION POSTED AT 18/01/2020 - 12:23 PM

Biologists believe that a large number of species that are part of the rain forest ecosystem are on the verge of extinction. Which statement BEST describes the role of urbanization in this disaster? A) Urbanization leads to deforestation and loss of habitat for many species. B) Many animals are captured or killed by poachers, significantly reducing their numbers. C) Viral epidemics that break out in human populations spread to animals in the ecosystem. D) Factories cause a significant rise in temperature in the forests, endangering many species.

Answer: A) Urbanization leads to deforestation and loss of habitat for many species.

Explanation:

Urbanization is the main reason for the exploitation of the rain forests which has lead to the extinction of species used to be residing in the forests ecosystems.  Following are the factors which are responsible for such disaster with the expension of urbanization:

1. Infrastructure: The land is the main requirement which is responsible for the exploitation of rain forests. The large area is required for the accommodation of  the large human population, construction of roads, highways and bridges. This has replaced many habit-ant animals from their native land and also leads to extinction due to ecological disturbance.

2. Increasing needs of food, herbs and wood: Many species of wooden trees could be found in the rain forests which have now extincted due to increasing demand for wood. The herbs have been wiped up for the preparation of medicines and drugs. The large number of tree populations are also exploited due to availability of fruits, and vegetables.

3. Wildlife trafficking and hunting: Some of the animal species have been included in the list of endangered species due to their use for commercial selling of horns, hives and other valuables.

ANSWERED AT 18/01/2020 - 12:20 PM


QUESTION POSTED AT 18/01/2020 - 12:20 PM

The pituitary gland is located in the brain and controls ?

It's the hypothalamus..

It controls the amount of ADH going out to maintain the water potential in the body.

ANSWERED AT 18/01/2020 - 12:09 PM


QUESTION POSTED AT 18/01/2020 - 12:09 PM

Kelp is a kind of: brown algae fungi plant red algae

Kelp is a kind of a brown algae (Phaeophyceae). It is a cold-water seaweed also used as food and as a source of iodine. It is considered safer and better than any other chemicals for the body. It develops through sunlight and it gets nutrients and minerals from the water around it.

ANSWERED AT 18/01/2020 - 11:53 AM


QUESTION POSTED AT 18/01/2020 - 11:53 AM