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A. Schuyler, NP
A. Schuyler, NP, Nurse Practitioner
Category: Health
Satisfied Customers: 14906
Experience:  Board Certified NP, MS, RN. Private practice & hospitalist
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Life is organized in a hierarchical fashion. Which one of ...

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Life is organized in a hierarchical fashion. Which one of the following sequences illustrates that hierarchy as it increases in complexity?
        cell, molecule, organ system, organ, population, tissue, organism, ecosystem, community
        organism, organ system, tissue, population, organ, community, cell, ecosystem, molecule
        ecosystem, population, organ system, cell, community, molecule, organ, organism, tissue
        ecosystem, molecule, cell, tissue, organism, organ system, organ, community
        molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem


If a light switch is moved from the "off" to the "on" position, then the light will go on. This statement
        is a conclusion.
        is the result of deductive reasoning.
        can be falsified.
        can be tested.
        All of the choices are correct.

A water molecule (H-O-H) is held together by
        a double covalent bond.
        hydrog
Submitted: 6 years ago.
Category: Health
Expert:  A. Schuyler, NP replied 6 years ago.

Life is organized in a hierarchical fashion. Which one of the following sequences illustrates that hierarchy as it increases in complexity?


molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem


If a light switch is moved from the "off" to the "on" position, then the light will go on. This statement
All of the choices are correct.

A water molecule (H-O-H) is held together by
hydrogen bond

A. Schuyler, NP, Nurse Practitioner
Category: Health
Satisfied Customers: 14906
Experience: Board Certified NP, MS, RN. Private practice & hospitalist
A. Schuyler, NP and 6 other Health Specialists are ready to help you
Customer: replied 6 years ago.
sorry, I don't have enough space on my previous type, can you answer these questions as well? Thanks.

Water molecules stick to other water molecules because
        the hydrogen atoms of adjacent water molecules are attracted to one another.
        hydrogen bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules.
        water molecules are neutral, and neutral molecules are attracted to each other.
        covalent bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules.
        the oxygen atoms of adjacent water molecules are attracted to one another.

Propanol and isopropanol are isomers. This means that they have
        the same number of carbon atoms but different numbers of oxygen and hydrogen atoms.
        the same molecular formula but different chemical properties.
        the same molecular formula and the same chemical properties.
        the same molecular formula, but propanol is the liquid form of the compound and isopropanol is the gaseous form.
        different molecular formulas but the same chemical properties.


Which one of the following statements is true about electron microscopes? (
        Electron beams are focused to create a magnified image of an object.
        Electron microscopes use glass lenses to focus and magnify the image.
        Scanning electron microscopes are used to study the details of internal cell structure.
        Specimens must be sectioned to be viewed under a scanning electron microscope.
        Transmission electron microscopes are mainly used to study cell surfaces.


As cell size increases, the
        surface area increases faster than the volume.
        volume and surface area decrease.
        surface area and volume increase at the same rate.
        volume increases faster than the surface area.
        None of the choices are correct.


Earth's second early atmosphere, the one produced by outgassing of volcanoes and other vents, is thought to have consisted mainly of which of the following components?
        water vapor, carbon monoxide, hydrogen, methane, and oxygen
        water vapor, hydrogen, and oxygen
        hydrogen gas
        water vapor, nitrogen, carbon dioxide, and hydrogen sulfide
        methane and ammonia

Which of the following have greatly reduced the incidence of bacterial diseases?
        antibiotics
        improved sanitation
        education
        All of the choices have reduced the incidence of bacterial diseases.
        None of the choices have reduced the incidence of bacterial diseases.

Which one of the following is false?
        Enzymes are used up in chemical reactions.
        An enzyme binds to its substrate at the enzyme's active site.
        Enzymes are very specific for certain substrates.
        Enzymes emerge unchanged from the reactions they catalyze.
        An enzyme's function depends on its three-dimensional shape.


Sister chromatids are
        made only of DNA.
        formed when chromatids separate during cell division.
        found right after a cell divides.
        tightly linked together at a centromere.
        unique to prokaryotes.


As a patch of scraped skin heals, the cells fill in the injured area but do not grow beyond that. This is an example of
        growth factor inhibition.
        anchorage-dependent inhibition.
        density-dependent inhibition.
        anchorage independence.
        density-independent inhibition.


Nondisjunction occurs when (Points: 4)
        chromosomes replicate too many times.
        two chromosomes fuse into one.
        members of a chromosome pair fail to separate.
        an entire pair of chromosomes is lost during meiosis I.
        a portion of a chromosome breaks off and is lost.

Dr. Smith's parents have normal hearing. However, Dr. Smith has an inherited form of deafness. Deafness is a recessive trait that is associated with the abnormal allele d. The normal allele at this locus, associated with normal hearing, is D. Dr. Smith's parents could have which of the following genotypes? (Points: 4)
        DD and DD
        dd and dd
        DD and dd
        Dd and Dd
        None of the choices are correct.


The mechanism that "breaks" the linkage between linked genes is
        independent assortment.
        pleiotropy.
        crossing-over.
        incomplete dominance.
        codominance.

In plants, vascular tissue that consists of living cells that distribute sugars throughout the plant is called
        xylem.
        stomata.
        lichens.
        phloem.
        transport tissue.


Which of the following is true of ferns?
        They are seedless, vascular plants.
        They are most diverse in the tropics.
        Many species have leaves called fronds.
        They have well-developed roots and rigid stems.
        All of the choices are correct.


The dominant stage of mosses is the
        gametophyte.
        ovule.
        pollen.
        sporophyte.
        None of the choices are correct.

The __________ represents the sporophyte generation of a conifer, and the __________ produces gametophytes.
        cone . . . tree
        tree . . . pollen
        seed . . . tree
        tree . . . cone
        tree . . . seed


About 90% of plants have mycorrhizae from
        chytrids.
        sac fungi.
        club fungi.
        glomeromycetes.
        zygote fungi.

Stratified squamous epithelium is well suited for
        exchanging materials by diffusion.
        secreting mucus.
        lining surfaces subject to abrasion.
        exchanging materials by active transport.
        lining our lungs.


Which of the following is not a type of connective tissue?
        blood
        cartilage
        bone
        adipose
        plasma


Suppose your doctor decides to X-ray your hip. Which would show up more distinctly, the muscle or the bones? Why?
        the bones, because they are denser
        the muscle, because it is softer
        the bones, because they are richer in hydrogen
        the muscle, because it is metabolically more active
        the muscle, because it is richer in hydrogen

Which of the following is most likely to be responsible if, when your blood sugar level rose, the level went back down?
        a homeostatic mechanism based on negative feedback
        the use of the sugar for energy by your cells
        diabetes insipidus
        type II diabetes
        a homeostatic mechanism based on positive feedback

Which organ system removes the nitrogen-containing waste products from blood?
        muscular system
        integumentary system
        excretory system
        reproductive system
        lymphatic system
Customer: replied 6 years ago.
i also just posted another questions online, can you answer it as well? thank you very much. are you working on my multiple questions? thanks.
Customer: replied 6 years ago.
I have answer for these questions.
In plants, vascular tissue that consists of living cells that distribute sugars throughout the plant is called
phloem.
The __________ represents the sporophyte generation of a conifer, and the __________ produces gametophytes.
tree . . . cone
Customer: replied 6 years ago.
can I have whatever answer you have for the questions now? thanks.
Expert:  A. Schuyler, NP replied 6 years ago.
Water molecules stick to other water molecules because
hydrogen bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules.

Propanol and isopropanol are isomers. This means that they have
the same molecular formula and the same chemical properties.

Which one of the following statements is true about electron microscopes? (
Electron beams are focused to create a magnified image of an object.

As cell size increases, the
volume increases faster than the surface area.

Earth's second early atmosphere, the one produced by outgassing of volcanoes and other vents, is thought to have consisted mainly of which of the following components?
water vapor, nitrogen, carbon dioxide, and hydrogen sulfide

Which of the following have greatly reduced the incidence of bacterial diseases?
All of the choices have reduced the incidence of bacterial diseases.

Which one of the following is false?
Enzymes are used up in chemical reactions.

Sister chromatids are
tightly linked together at a centromere.



As a patch of scraped skin heals, the cells fill in the injured area but do not grow beyond that. This is an example of
anchorage-dependent inhibition.
Customer: replied 6 years ago.
Thanks. are you working on 13-25?
Expert:  A. Schuyler, NP replied 6 years ago.
Yes, I will work on the rest of them this time, but this is a lot of work for ONE question.
Customer: replied 6 years ago.
I have answer for 16 and 19. yes, it's a little bit over in one question. so, i pay for $15 for the 2nd questions I posted online. I very appreicate your help, I hope I can add more money, but I am a full time student, I don't have lot of fund. Thank you very much!
Customer: replied 6 years ago.
can i have the answer of what you have now? thanks.
Expert:  A. Schuyler, NP replied 6 years ago.
Nondisjunction occurs when (Points: 4)
members of a chromosome pair fail to separate.


Dr. Smith's parents have normal hearing. However, Dr. Smith has an inherited form of deafness. Deafness is a recessive trait that is associated with the abnormal allele d. The normal allele at this locus, associated with normal hearing, is D. Dr. Smith's parents could have which of the following genotypes? (Points: 4)
Dd and Dd



The mechanism that "breaks" the linkage between linked genes is
crossing-over.


16. In plants, vascular tissue that consists of living cells that distribute sugars throughout the plant is called
xylem.
stomata.
lichens.
phloem.
transport tissue.


17. Which of the following is true of ferns?
All of the choices are correct.


18. The dominant stage of mosses is the
gametophyte.


19. The __________ represents the sporophyte generation of a conifer, and the __________ produces gametophytes.
cone . . . tree
tree . . . pollen
seed . . . tree
tree . . . cone
tree . . . seed


20. About 90% of plants have mycorrhizae from
chytrids.
sac fungi.
club fungi.
glomeromycetes.
zygote fungi.

21. Stratified squamous epithelium is well suited for
lining surfaces subject to abrasion.



22. Which of the following is not a type of connective tissue?
adipose



23. Suppose your doctor decides to X-ray your hip. Which would show up more distinctly, the muscle or the bones? Why?
the bones, because they are denser
Customer: replied 6 years ago.
do you have answer for
About 90% of plants have mycorrhizae from
        chytrids.
        sac fungi.
        club fungi.
        glomeromycetes.
        zygote fungi.
Customer: replied 6 years ago.
do you have answer for the rest?

Thanks.
Expert:  A. Schuyler, NP replied 6 years ago.

I do not have an answer for:

do you have answer for
About 90% of plants have mycorrhizae from
chytrids.
sac fungi.
club fungi.
glomeromycetes.
zygote fungi.

Customer: replied 6 years ago.
oh! what about the last two questions?
Which of the following is most likely to be responsible if, when your blood sugar level rose, the level went back down?
        a homeostatic mechanism based on negative feedback
        the use of the sugar for energy by your cells
        diabetes insipidus
        type II diabetes
        a homeostatic mechanism based on positive feedback

Which organ system removes the nitrogen-containing waste products from blood?
        muscular system
        integumentary system
        excretory system
        reproductive system
        lymphatic system
Expert:  A. Schuyler, NP replied 6 years ago.

Which of the following is most likely to be responsible if, when your blood sugar level rose, the level went back down?
a homeostatic mechanism based on negative feedback

Which organ system removes the nitrogen-containing waste products from blood?
excretory system

Customer: replied 6 years ago.
Thank you so much! Will you able to answer my other two posted questions online? thanks.
Customer: replied 6 years ago.
Hi, can you let me know if you will answer my other two posting questions? thank.
Expert:  A. Schuyler, NP replied 6 years ago.

I only answer on health/medicine. I'm sure your homework questions will be answered. There are some teachers and tutored much better at basic science than I am :-)

 

Customer: replied 6 years ago.
can you Describe the functions performed by proteins in a cell. Why can changes in heat, pH anand other environmental changes can interfere with a proteins function.
Customer: replied 6 years ago.
I guess the answer for 3 is incorrected.
Customer: replied 6 years ago.
can you check question 4, 5, 12 and 22. these answers were incorrect.
Expert:  A. Schuyler, NP replied 6 years ago.

Would you be kind enough to tell me which ones they were, since they weren't numbered?

 

Customer: replied 6 years ago.
Which of the following is not a type of connective tissue?

Water molecules stick to other water molecules because

Propanol and isopropanol are isomers. This means that they have (Points: 4)
        the same number of carbon atoms but different numbers of oxygen and hydrogen atoms.
        the same molecular formula but different chemical properties.
        the same molecular formula and the same chemical properties.
        the same molecular formula, but propanol is the liquid form of the compound and isopropanol is the gaseous form.
        different molecular formulas but the same chemical properties.
As a patch of scraped skin heals, the cells fill in the injured area but do not grow beyond that. This is an example of (Points: 4)
        growth factor inhibition.
        anchorage-dependent inhibition.
        density-dependent inhibition.
        anchorage independence.
        density-independent inhibi
Customer: replied 6 years ago.
DO YOU HAVE THE CORRECT ANSWER?
Expert:  A. Schuyler, NP replied 6 years ago.

Which of the following is not a type of connective tissue?

Plasma (because it is part of blood)

Water molecules stick to other water molecules because:

covalent bonds form between the hydrogen atoms of one water molecule and the oxygen atoms of other water molecules.

Propanol and isopropanol are isomers. This means that they have (Points: 4)
the same number of carbon atoms but different numbers of oxygen and hydrogen atoms. [wrong]
the same molecular formula but different chemical properties. [wrong, usually]
the same molecular formula and the same chemical properties. [right, usually]
the same molecular formula, but propanol is the liquid form of the compound and isopropanol is the gaseous form. [wrong]
different molecular formulas but the same chemical properties. [wrong]

As a patch of scraped skin heals, the cells fill in the injured area but do not grow beyond that. This is an example of (Points: 4)
growth factor inhibition.
anchorage-dependent inhibition.
density-dependent inhibition.
anchorage independence.
density-independent inhibi

No idea if my original answer was not right.

Expert:  A. Schuyler, NP replied 6 years ago.

Propanol and isopropanol are isomers. This means that they have (Points: 4)

the same molecular formula but different chemical properties.

As a patch of scraped skin heals, the cells fill in the injured area but do not grow beyond that. This is an example of (Points: 4)
growth factor inhibition.
anchorage-dependent inhibition.
density-dependent inhibition.
anchorage independence.
density-independent inhibi

We used to call this contact-inhibition. It is noe density-dependent inhibition.

Customer: replied 6 years ago.
hi, can you answer my other multiple choice question? thanks.
Customer: replied 6 years ago.
Dear Scheuyler,
can you answer my other question, it's short ten multiple choice. thanks.

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