How do the thin membranes of the alveoli in the lungs allow the lung to function?
O A. They provide strength for the lung tissues,
O B. They allow gas exchange to occur more easily.
C. They allow nutrients to be released into the lung,
D. They allow a quick response to signals from the brain.

Answers

Answer 1
Answer:
B

Explanation:
Thin membrane allow effective gaseous exchange to occur as the respiratory gasses can penetrate the membrane easily

Related Questions

Please help! :( you have to decide if it’s speed, acceleration, or velocity!

Answers

Explanation:

Speed is the rate of change of distance with time. It is also taken as the distance traveled per instance of time.

Velocity is the displacement of a body with time. It is a vector quantity which shows the magnitude of motion and the direction.

Acceleration is the rate of change of velocity with time. It tells us how much motion is increasing at every instance of time.

4. Distance traveled in a given time is the speed

5. Velocity; speed when given directional attribute is velocity

6. Speed

7. Velocity

8. Speed

Deciduous trees are unique in the fact that they start to lose their leaves in Autumn. A hormone
called auxin controls the process. As light levels and temperatures drop, auxin signals it is almost
winter. Which statement BEST describes why it is more advantages for deciduous trees to lose
their leaves in the colder months?
A. So that the snow will not stick to their branches and break them off.
B. So that they can have room for more animals to use their trunks for hibernation.
C. To help with reducing water lost and nutrient lost.
D. So that their new leaves will be bigger, greener, and plentiful

Answers

A so that the snow will not stick to their branches and break them off

What molecule forms the cell membrane? proteins carbohydrates phospholipids nucleic acids

Answers

Answer:

phospholipids

Explanation:

Observă şi identifică!

Recunoaște țesuturile din imagini, utilizônd datele din tabel.

1.

5

A Tesuturi

embrionare

Localizare in special la varful Func

radacinii tulan

grosimea acestor argane-in plante

plantelor care tre mai mult de

prenel

mo

Answers

Answer:

a

Explanation:

i am right made a 100 good

which is the least complx thing in our body

Answers

I think the answer is Cell it should me .

I can be single celled or multicelled. I can reproduce sexually or asexually. I can be heterotrophic or autotrophic. I am Eukaryotic. What am I? A. Kingdom Protista B. Kingdom Monera C. Kingdom Animalia D. Kingdom Plantae

Answers

Answer:

A. Kingdom Protista

Explanation:

Kingdom Protista contains mostly unicellular eukaryotes. However, a few are multicellular.

Some protists reproduce sexually using gametes, while others reproduce asexually by binary fission.

Some protists are autotrophic, while others are heterotrophic.

Protists are eukaryotic, as their cells have a nucleus and other membrane-bound organelles.

Hope that helps! Please mark as brainliest!

In the five kingdom classification system, the kingdom Protista contains both unicellular and multicellular organism that exhibits both modes of reproduction. Thus, option A is correct.

What are the characteristics of the kingdom Protista?

Kingdom Protista is one of the kingdoms that has been constituted of the organisms that have single-celled and multicellular bodies and are classified under the eukaryotes.

They can show both the modes of reproduction as it includes alternation of generations, conjugation, and binary fission as seen in amoebas and Euglena.

They are autotrophic as they can produce food using chemosynthesis and photosynthesis as seen in Spirogyra. They also are heterotrophic and include sporozoans, paramecia, molds, etc.

Therefore, option A. kingdom Protista is correct.

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what is the lehman’s term for mouth

Answers

Answer:

Oral Cavity or buccal cavity

Explanation:

How are fish more complex than other organisms?

Answers

Answer:

Fish know how to breathe, eat,  sleep underwater they evolved swimming and only knowing how to swim. Some fish can temporally fly while others can see and live deep into the ocean. There are fish that know how to hunt while some know how to hide in plain sight. While in bodies of water there are fish that can be good for the environment and some that are bad. Some have scales some don't some have spikes and some have multicolored scales.

Explanation:

When setting up a Sanger sequencing reaction, each reaction should include template DNA, nucleotides, dideoxynucleotides, buffer, DNA polymerase, and _____.

a. Forward and reverse primers
b. Forward or reverse primers
c. Forward and reverse probes
d. Forward or reverse probes

Answers

Answer:

b. Forward or reverse primers

Explanation:

Sanger sequencing is a technique of DNA sequencing based on the extension of DNA fragments with variable sizes terminated with dideoxynucleotides at the 3′ end. This technique was developed by Frederick Sanger in 1977. In Sanger sequencing, a short primer is added in order to bind by complementarity to the target DNA region of interest. Subsequently, a DNA polymerase adds nucleotides (A, T, C and G) in the 5'-3' direction. Finally, the extension of the DNA strand is stopped by adding dideoxynucleotides, which are nucleotide analogs (i.e., modified nucleotides) that act as DNA synthesis terminators.

When setting up a Sanger sequencing reaction, each reaction should include template DNA, nucleotides, dideoxynucleotides, buffer, DNA polymerase, and forward or reverse primers.

Sanger sequencing refers to a laboratory procedure that's used in the determination of DNA sequence by using dideoxynucleotides. Sanger sequencing is also known as dideoxy sequencing.

For Sanger sequencing to work, one needs two pieces of information that will be used to apply the strategy of sentence game to the sequencing of DNA. It should be noted that forward or reverse primers are required for the reaction.

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All of the following are possible reasons why families may choose to seek therapy except __________.
A.
improving communication
B.
dealing with children’s behaviors
C.
overcoming language barriers between family members
D.
dealing with a change in family dynamics

Answers

Answer:

it’s C

Explanation:

i took the quiz

All of the following are possible reasons why families may choose to seek therapy except - C. Overcoming language barriers between family members

Reasons for the family to seek therapy

Families are generally from the same background and culture. They usually take the therapy due to various reasons such as lack of communication among family members, inappropriate behaviors of children, or any type of change in family dynamics.

The language of all members is normally similar so it can not be a reason for barriers among family members and they require therapy.

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What is the total number of protons, neutrons, and electrons in cadmium, Cd, atom that has a mass number of 112?

Answers

Answer:

number of protons = 48

number of neutrons = 64

number of electrons = 48

Explanation:

The mass number of an atom is the sum of the number of protons and neutrons in the nucleus of the atom. Hence, for Cadmium;

mass number = proton number + neutron number = 112

Cadmium has an atomic number of 48. The atomic number is the number of protons found in the nucleus of the atoms of an element. Hence, the number of protons in an atom of Cadmium is 48.

proton number + neutron number = 112

proton number = 48, hence

48 + neutron number = 112

neutron number = 112 - 48 = 64

Also, for a neutral atom of an element, the number of protons and electrons must balance. This means that for a neutral atom of Cadmium with a proton number of 48, the number of electrons will also be 48.

In summary, for cadmium:

number of protons = 48

number of neutrons = 64

number of electrons = 48

The mass number of an atom can be seen as the sum of the number of protons and neutrons in the nucleus of the atom. And the number of protons is always the same as the number of electrons

The number of protons = 48

The number of neutrons = 64

The number of electrons = 48

 Since the mass number = proton number + neutron number = 112.

And cadmium has an atomic number of 48.

The atomic number is the also regarded as the number of protons found in the nucleus of the atoms of an element.

Then the  number of protons in an atom of Cadmium is 48.

Since proton number + neutron number = 112

    48 + x = 112

    x = 112 - 48 = 64

Therefore the number of neutron is 64.

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What region of the human body refers to the area where your femur ?

Answers

Answer:

Femur is a part of your bone right above your knees

and below your waist

Explanation:

I hope I helped, please give me brainliest

Answer:

Human thigh

.............

LABEL THE DIAGRAM OF THE LEAF

Answers

Answer:
Refer to the diagram

In which biome would you MOST expect to find bears, deer, rabbits, squirrels, and deciduous trees
A. desert
B. rainforest
C. tundra
D. temperate forest

Answers

Answer:

It would be the temperate forest

Explanation:

Since it has decideous trees, the trees display four seasons and temperate shows the four seasons.

your answer is D temperate forest

What effects would you expect uncontrolled celiac disease to have on children? How do these effects relate to what is shown in the model?

Answers

Answer:

to the lining of his small intestine when any food containing gluten –are ingested.

V.W. Ekman is credited with developing the theory of:

wind-driven ocean currents
seismic profiling
sea floor spreading
global tectonics

Answers

wind-driven ocean currents

hope u have a nice day

Answer:

It would be A

Explanation:

:)

HELP!
Which group evolved first?
skates
rays
chimaeras
sharks

Answers

Answer:

D - Sharks; (took the test)

Explanation:

Sharks evolved nearly 420 million years ago. Chimeras, skates, and rays are all related to sharks through their ancestry.

Answer: it's D, sharks

1. DRAG AND DROP THE CORRECT COMPONENTS AND REACTANTS TO FILL IN THE EQUATION
FOR PHOTOSYNTHESIS.
6602
6H₂O
GH120
WATER
LIGHT
ENERGY
GLUCOSE
WATER
REACTANT
OXYGEN
602
CARBON
DIOXIDE
12H30
REACTANTS

Answers

Answer:
Refer to the image

Refer to the image attached below.

What is photosynthesis?Green plants and certain other organisms convert light energy into chemical energy through a process called photosynthesis.Light energy is gathered and utilized during photosynthesis in green plants to change the water, carbon dioxide, and minerals into oxygen- and energy-rich organic molecules (like glucose).The process can be represented by the following equation:

                  6CO₂ + 6H₂O + Light energy → C₆H₁₂O₆ + 6O₂

                                                                      (Glucose)

Plants that perform photosynthesis are called autotrophs.

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Describe at least two other experiments that could be done to verify that chromosomal gene editing occurred in the bacteria.

Answers

The two ways by which we can detect that gene editing have occurred in the bacteria are;

A) WESTERN BLOT; Here,the gene that is edited will not be able to synthesize the protein.With this,if we do western against the already edited protein,no band will eventually appear in the western blot,and this indicates/confers that the gene have been edited.

B) PCR FOLLOWED BY SEQUENCING; IN PCR,there is amplification of the region with the use of flanking end primers that is edited.

However,mean primers will actually be used in a way that one primer is upstream to site of editing and the other primer to the downstream.

From this stage,the PCR product that is amplified will be sent for sequencing,and this sequency result will further confirm if the gene has been edited or not edited.

Restriction enzyme can also be used if the place where the gene has been edited is known.

If actually the gene has been edited,the nucleotide sequence will get changed.Having to choose such enzyme that cut only one's wide type wild type DNA but not actually gene that is edited,the result will further be compared inorder to confirm whether the gene has been edited or not.

The two experiments that can be done to detect gene editing including

Western blot and PCR(polymerase chain reaction)

DNA contain all the genetic properties of a cell and comprises of nucleotides with unique protein(amino) sequences. Western blot helps to detect specific protein through the sequences from a protein sample and helps to detect if editing took place.

Polymerase chain reaction(PCR) helps in the amplification of DNA which

helps to verify where editing took place if any.

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Terrestrial plants have a waxy covering produced by the dermal tissues called the cuticle. If this waxy covering was overproduced so that the stomata became clogged, what would happen to
the plant?

A) The plant would not be able to exchange oxygen for carbon dioxide, and the plant's ability to perform photosynthesis would be limited.

B) Sunlight would not be able to reach the plant's ground tissue cells through the thick dermal tissue, and the plant's ability to perform photosynthesis would be damaged.

Answers

A is the correct answer

which of the sediments shown below were most likely deposited by a glacier
Please HELP​

Answers

Answer:

D

Explanation:

Hopefully this helps

Directly deposited sediments by water are often sorted and show layers, of the sediments left behind by glaciers, hence option D is correct.

What sediments are deposited by a glacier?

Additionally, it appears that the glacier debris is unsorted a diamictite, a sedimentary rock made up of unsorted grains, is produced when this mass of sediment is cemented into a rock.

Till is the name for the loose silt in its unlithified state, they are distinguished by a lack of stratification and a diverse variety of sediment sizes, ranging from boulders to clay.

Therefore, a tillite is a more precise term for an unsorted sedimentary rock that contains grains that were deposited by ice, hence option D is correct.  

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Sedimentary rocks are formed from:

eroded land
metamorphic rocks
magma
heat and pressure

Answers

i think the answer is eroded land

Answer:

Eroded land

Explanation:

Sedimentary rocks are formed from other rocks and minerals.

Hope this helps, Let me know if I am wrong ( pretty sure I am right), OH! and GOOD LUCK :D ;P!

During interphase, homologous chromosomes are
a Fragmented
b) Separated
c) Elongated
d) Replicated

Answers

The answer is D i think

During interphase, homologous chromosomes are: d) Replicated.

What is mitosis?

Mitosis refers to a cell division (duplication) through which a single parent cell produces two (2) genetically identical daughter cells.

The phases of mitosis.

Basically, there are five (5) distinct phases that takes place during mitosis and these include:

InterphaseProphaseMetaphaseAnaphaseTelophase

During interphase, homologous chromosomes are replicated through duplication division so as to form sister chromatids.

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Which of the following is NOT a part of Darwin’s theory of natural selection?
a. individuals in a population vary
b. organisms tend to over-reproduce themselves
c. there are limited resources for which individuals compete
e. variations possessed by individuals of a population are inherited
d. modifications an organism acquires during its lifetime are passed to its offspring

Answers

Answer:

B

Explanation:

Darwin's theory is all about the Origins Of Species

The statement seen in B is not part of that theory due to it's irrelevance.

Prader-Willi syndrome is a genetic disorder involving a partial deletion of chromosome 15q on the paternal chromosome. When both copies of a gene (or chromosome) are functional but only one is expressed, this is an example of ________.a) position effect variegationb) chromatin modificationsc) histone acetylationd) genomic imprintinge) X-inactivation

Answers

Answer:

The correct answer is d) genomic imprinting.

Explanation:

Genomic imprinting is a biological process by which specific modifications in the germ line that produce differences in the expression of the genetic material that is biochemically marked indicating its parental origin. The Prader-Willi syndrome is one of the best known and most studied examples in relation to pathologies produced by genomic imprinting. Prader-Willi syndrome is a complex genetic disease that is fundamentally neurological. Its appearance is due to a deletion of a fragment of chromosome 15 derived from the father.

What is the cell cycle?

A. repeating process of DNA synthesis


B. repeating series of stages a dividing cell goes through


C. the time a cell spends actively dividing


D. process of duplication of genetic material

Answers

Answer:

A cell cycle is a series of events that take place in a cell as it grows and divided. ... The cell then leaves interphase, undergoes mitosis, and complete its division. The resulting cells, known as daughter cells, each enter their own interphase and begin a new round of the cell cycle. so the awnser is b as in bee

Explanation:

Okay First lets take a dee breath now Step-By-Step

first we think about what the cell cycle is good question!

come up with a good explaining and why is that the awnser" then write facts down and you should have your awnser

Answer:

It's B

Explanation:

I took the quiz :D

Hope this helps

Over time, plants developed structural adaptations of vascular systems and seeds in
order to
O produce haploid seeds.
be more successful in water ecosystems.
carry out photosynthesis.
colonize land ecosystems.

Answers

Answer:

colonize land ecosystems

Explanation:

Vascular systems and seeds allowed plants to colonize the land ecosystems.

why oxygen the most common element found in the human body?

Answers

Oxygen is the most abundant element in the human body. ... This is due mainly to the body's water content. Water makes up the majority of the human body, and the two elements that make up water are oxygen and hydrogen. Oxygen is also present in both our inhalations and exhalations.

Which of the sun's layers releases visible light?​

Answers

Answer:

C

Explanation:

LABEL THE FLOWER POSTER

Answers

Answer:

I think this is the answer

Explanation:

Image on the Right:

A: Anther

F: Filament

L: Ovary

J: Stigma

K: Style

O: Ovule

Image on the Left:

B: Receptacle

C: Sepal

O: Ovary

L: Ovules

H: Anther

D: Petal

P: Style

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