Materials are able to move across a cell membrane through one of two methods: active transport or passive transport. What is the difference between the two?

A
Active transport requires the cell to form vesicles, while passive transport requires the use of membrane pumps.

B
Active transport requires the cell to expend energy, while passive transport does not.

C
Active transport is the only form of transport that requires the use of protein carriers.

D
Passive transport is the only form of transport that requires the use of protein carriers.

Answers

Answer 1

Answer:

(B) Active transport requires the cell to expend energy, while passive transport does not

Answer 2

Answer:

b

Explanation:


Related Questions

State how the TR4 fungus threatens homeostasis within the banana plant​

Answers

Answer: The Panama illness is a contagious illness that TR4, or Tropical Race 4, is a Fusarium wilt strain that kills banana plants. According to the ICA, the fungus “forms resistant structures that allow it to persist for more than 30 years,” making it tough to confine.

Explanation:

knowledge!

what does a root hair cell do​

Answers

Answer:

Root hair cells (black arrow pointing at one of the root hair cells) are single tubular root cells. Their distinctive lateral elongation increases the surface of exchange between the plant's root system and the soil. The main function of root hairs is the uptake of water and nutrients from the rhizosphere.

How is the equilibrium constant calculated?

Answers

The answer is the equilibrium concentrations or pressures of each species that occurs in the equilibrium expression, or enough information to determine them. These values are substitued into the equilibrium expression and the value of the equilibrium constant is then calculated.

Could someone please tell me if this is mold or not? I think it is but honestly I know nothing about that.

Answers

Answer:

It would be Penicillium or Aspergillus, if it is even mold. They are some of the fastest growing molds (usually within 24 to 48 hours) and require very little moisture for their colonies to develop. I haven't ever seen mold

It's usually not possible for you to remove it from wood, but you are going to want to call someone to get rid of it. You don't know what exactly it is and buying fungicide may help.

Happy(and safe) learning!

--Applepi101 :)

URGENT!!!

There is a population of one horned horses in Pangea, and the original
population is 1000 individuals. If their birth rate is 10/1000 and their
death rate is 50/1000, there is an immgration rate of 10 per year from
Islandea, and an emigration rate of 20 per year to Mystique Island.
How long until the populaiton goes extinct? years
(Hint - divide the original population by the rate of change)

Answers

Answer:

i need the same thing

Explanation:

What animal barks like a dog but flys like a Eagle and looks like a rat

Answers

Answer:

Uhhh no animal that is real has that description…

Explanation:

Answer:

i think theres no animal like that

Explanation:

Which type of cell store's its DNA in the nucleus?
A. prokaryotic

B. eukaryotic

Answers

Answer:

Hey mate......

Explanation:

This is ur answer.....

A. Eukaryotic

Eukaryotes usually have other membrane-bound organelles in addition to the nucleus, while prokaryotes don't.

Hope it helps!

Brainliest pls!

Follow me! :)

Answer:

Explanation:

answer is eukaryotic because proparyotic cell does not have nucleus.

Which high school courses would be beneficial for a career in parasitology? O anatomy and physiology botany and animal biology o technology and zoology biology and biochemistry​

Answers

I believe it's biology and biochemistry.

Which of the following is an
organelle?
A. a brain
B. a cell
C. lungs
D. a nucleus

Answers

The nucleus is an organelle

The brain and lungs are both organs
The answer is D nucleus:)

Climate change has begun to affect insects as food resources have started disappearing . The monarch butterfly and the queen butterfly have to compete for the same food source . This is an example of____competition.
A. Co-species
B. Intraspecies
C. Interspecies
D. Habitat

Answers

Answer:

B.

Explanation:

In an ecological environment living things of different or same species compete with each other for the limited resources available. It is a symbiotic interaction between these living things.

There are two types of competition between these living beings- intraspecific and interspecific. In the given scenario, it is an intraspecific competition between the monarch butterfly and the queen butterfly.

Intraspecific competition is a competition between two living beings of the same species.

The monarch butterfly and the queen butterfly both belong to the same species- danaus.

Therefore, option B is correct.

Please help it’s biology!!!!!!

Answers

Answer:

25%

Explanation:

If a parent is heterozygous, it has 2 difterent alleles. Both parents are heterozygous for blood type A, so the genotype is AO. A masks the O because A is dominant over O, so A is the blood type.

Create a punnett square to find possible offspring

AA = Blood type A

AO = Blood type A

OO = Blood type O

There is 1 child out of 4 that have blood type O. So to find the percentage divide 1 and 4 and multiply by 100.

1÷4×100 = 25

long necked giraffes are dominant to short necks , the giraffe is heterozygous
what is his genotype?
what is his phenotype?

Answers

let's say were representing neck length with L,

the genotype of a heterozygous giraffe would be Ll

the phenotype, or physical appearance would be long neck

A city is most likely to experience a change in weather under which of the following conditions?

Answers

Answer:

One air mass replases another over the city

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

why is it important for plant's to store food?​

Answers

Answer:

Storing the food helps them to use it in winter and survive because there is very little sunlight available and so they photosynthesis less. ... When they have extra food they store it in their seeds and when the seed grows it gets it's food from the plant until the plant is able to photosynthesis and produce its food.

Answer:

It's important for plants to store food, as food is a source of nutrition, which is necessary for survival. Rather than just eating the food, storing it is a good way to ensure nutrients during droughts or other harsh conditions that make it hard to find food.

Explanation:

Helicobacter pylori survives in the stomach due to: a. a thick capsular layer b. endospore formation c. a teichoic acid receptor d. the production of urease to generate ammonia from urea

Answers

the answer is A, a thick capsular layer

I need help with this gizmo

Answers

A possible hypothesis for this situation is that tank 1 contains denitrifying bacteria, tank 2 contains nitrite nitrifying bacteria, and tank 3 contains ammonia nitrifying bacteria.

What is a hypothesis?

A hypothesis, which is a common term used in experiments refers to a possible explanation for the results or phenomenon observed. In this case, a hypothesis needs to focus on the type of bacteria that are present in each of the tanks.

This means that to write a hypothesis we need to relate the type of bacteria to each of the tanks.

Learn more about hypothesis in https://brainly.com/question/32562440

#SPJ1

Which class of point mutation produces a product with the same amino acid sequence as the wild-type polypeptide?

Answers

Answer:

The correct answer is - silent.

Explanation:

Silent mutation is a point mutation that takes place by a single change in a single base nucleotide of nucleic acid and it may or may not change the aminoacid sequence as the wild type protein.

This does not result in any phenotypic or functional change in the protein of the organism. It is a class of point mutation. This change can be substitution in base.

What would you expect to occur if you were to repeatedly lift 25 pounds over your head for 1 minute, rest for 1 minute, and then repeat the exercise?

Answers

Your weight would remain the same

HELP ME PLEASEE!!! I WILL NAME YOU BRAINLIEST!!!

based on the graph below, from 1900 to 2000, humas have been experiencing what type of population growth?

A) Stagant
B) Logistic
C) Continuous
D) Exponential

Answers

Answer:

Exponential

Explanation:

reference the shape of the graph

An organism made up of many cells is called...
A. unicellular

B. multicellular

Answers

Answer:

B. multicellular

Explanation:

An organism made up of many cells is known as the multicellular organism.

different types of cells in the body have different organells depending on their main function. Considering this which type of cells would have the most mitochondria?
A. Red blood cells
B. Bone cells
C. Muscle cells
D. Nerve cells
E. Skin cells

Answers

Muscle cells the answers is c!
the answer is C, have a great day:)

A hybrid offspring of a male lion and a tigress is a _________.
Plz answer I will add you as brainlest

Answers

Answer:

Such offspring are called hybrid offspring. Furthermore; within such hybridization process, if male is a lion and female is a tiger (tigress) then the hybrid offspring is termed as a liger. Vice-versa; if the male is a tiger and the female is a lion (lioness) then the hybrid offspring is called a tigon.

Answer:

Liger

Explanation:

PLEASE HELP FAST
NO LINKS OR TROLL ANSWERS I WILL REP0RT

Answers

brown eyes because baby’s are most likely to have brown eyes when there born.

when two heterozygous individual are crossed,the proportion of the offspring that are true breeding for dominant trait is

Answers

Answer:

75%

Explanation:

If you drew a Punnett Square, you will see that the possible outcomes would be AA, Aa, aA, and aa. Three out of the four would exhibit the dominant trait.

stions
Describe what a muscle fiber looks like and what it
can do.

Answers

Answer:

Smooth muscle fibers have an oblong shape, much like a football. They’re also thousands of times shorter than skeletal muscle fibers. Similar to skeletal muscles, cardiac muscles are striated. They’re only found in the heart. Cardiac muscle fibers have some unique features.

Explanation:

Question 3 (1 point)
Bacteria populations display genetic variation such as antibiotic resistance due to
mutation. Which is the likely source of mutation?
A.Because bacteria reproduce sexually, their mutations would most likely arise from
errors in crossing over during meiosis.
B.Because bacteria reproduce asexually, their mutations would most likely be a
replication error and improper proofreading.
C.Because bacteria reproduce sexually, their mutations would most likely arise from
an environmental factor such as prolonged exposure to UV radiation.
D.Because bacteria reproduce asexually, their mutations would most likely arise
from an environmental factor such as prolonged exposure to extreme
temperatures.

Answers

Answer:

b. option Is the correct answer right

The vesicles involved in endo/exocytosis are surrounded by a phospholipid membrane.
A. True

B. False

Answers

the answer to this question is A

Answer:

A. True

Explanation:

The vesicle travels to the cell membrane. The vesicle fuses to the plasma membrane, during which the two bilayers merge. The vesicle's contents are released into the extracellular space. The vesicle either fuses with or separates from the cell membrane.

en donde se produce La citocinesis

Answers

La citocinesis ocurre al final del ciclo celular después de la mitosis o meiosis. En la división de células animales, la citocinesis ocurre cuando un anillo contráctil de microfilamentos forma un surco de escisión que pellizca la membrana celular por la mitad. En las células vegetales, se construye una placa celular que divide la célula en dos.

Hope this helps (i dunno Spanish but thats the translators job to know)

What is the purpose of mitosis?

Answers

Answer:

Mitosis creates more diploid cells by copying each chromosome and moves it to the other side of the cell.

Explanation:

This lets the cell get divided straight down the middle.

To melt the ice during the winter season, road crews often put sand and salt solutions on the roadways to help melt the snow and ice. The plants that live close to the road often die or wilt after this procedure. Using your knowledge of osmosis and plant structures, which type of solution would cause this to happen to plant cells? Group of answer choices

Answers

Answer:

The missing answer choices are:

a. hypotonic

b. isotonic

c. osmosis

d. hypertonic

The correct option is d. hypertonic

Explanation:

A hypertonic solution has a higher concentration of solutes than the concentration of solutes present inside the plant. As there is a difference in concentration between the inside and the outside of the plant, the plant loses water in an attempt to balance the difference. As a result, there is an excessive loss of water that dehydrates the plant and kills it.

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