Describe endocytosis, phagocytosis, pinocytosis, and exocytosis.

Answers

Answer 1

Answer:

Endocytosis: Endocytosis is the process by which cells take in substances from outside of the cell by engulfing them in a vesicle.

Phagocytosis: Phagocytosis, process by which certain living cells called phagocytes ingest or engulf other cells or particles.

Pinocytosis: Pinocytosis, a process by which liquid droplets are ingested by living cells.

Exocytosis: Exocytosis is the process by which a large amount of molecules are released; thus it is a form of bulk transport.

Explanation:


Related Questions

Zara had a birthday and was able to choose a pet. The pet that she chose was a beautiful clownfish named Bozo, a common salt water fish. Zara already has a tank with goldfish at home. Use your knowledge of diffusion & osmosis to tell Zara how to take care of Bozo.

Answers

Answer:

See the answer below

Explanation:

The advice I would give  to Zara would be that she should keep Bozo in a separate tank with common salt water away from the goldfish. Bozo is a salt water fish while the goldfish can only survive in freshwater.

If Bozo is kept in a saltless water/freshwater tank with the goldfish, the water would be hypotonic to Bozo. Consequently, water will osmotically diffuse into the cells of Bozo, the cells would become turgid and lyse, and this would lead to the death of the fish.

If the goldfish is kept in the same salt water tank with Bozo, the salt water would be hypertonic to the goldfish. Consequently, water will osmotically diffuse out of the cells of the goldfish into the surrounding salt water, the cells of the goldfish would become flaccid, and this would lead to the death of the fish.

Explain the difference between how light falls on the Earth near the Equator or the Poles

Answers

Answer:

Explanation:

The normal amount of solar radiation reduces from the Equator to the poles. This is because the low latitudes (near the Equator deliver relatively large amounts of radiation all year, and at high latitudes (near the poles), the more slanting angle of the Sun’s rays together with long periods of darkness in the winter, result in a low amount of received radiation.

Question 9 of 10
Which process is a form of mechanical weathering?

Answers

Explanation:

abrasion, pressure release, thermal expansion and contraction and crystal growth.

The picture shows respiratory epithelium in the lungs. The cilia, or fingerlike projections are MOST LIKELY there to
A)
move liquid.
B)
catch debris.
C)
secrete mucus.
D)
transmit impulses

Answers

Answer:

B. catch debris in the lungs

B. Catch debris would be the answer

uses of crush in the farm​

Answers

Answer:

ok i dont understand what that is

Explanation:

Answer: The overall purpose of a crush is to hold an animal still to minimise the risk of injury to both the animal and the operator while work on the animal is performed.

Order the levels of organization of living things. (Order the levels starting from top to bottom with the smallest at
the top)
biome
species
biosphere
population community
ecosystem


WILL GIVE BRAINLIEST

Answers

1 population
2 species
3 economists
4 biome
5 biosphere

Please also describe how actin-binding sites are made available for cross-bridging with myosin heads during contraction.

Answers

Answer: The calcium ion binds to troponin, and this slides the tropomyosin rods away from the binding sites.

Explanation:

Contraction and relaxation of muscle cells brings about movements of the body. The contractile myofilament called sarcomeres are bounded at each end by a dense stripe called the Z - line, to which the myosin fibres are attached, and lying in the middle of the sarcomere are the actin filaments, overlapping with the myosin.

When action potential spreads from the nerve along the sarcolemma (muscle cell membrane), it penetrates deep into the muscle cell through the sarcoplasm (cytoplasm of muscle cell), and releases CALCIUM from the intracellular stores.CALCIUM triggers the binding of myosin to the actin filament next to it forming CROSS BRIDGES.

For this to occur, ACTIN BINDING SITE has to be made available. TROPOMYOSIN is a protein that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin. The first step in the process of contraction is for calcium ions to bind to troponin so that tropomyosin can slide away from the binding sites on the actin strands.

What causes ocean tides to reach higher up on a shore at certain times of day than at others? A. The moon's gravity and Earth's rotation B. The ocean's conveyor belt and refraction C. Earthquakes and volcanoes O D. Temperature and salinity differences​

Answers

Answer:

A

Explanation:

I read about ocean tides. the Moon has an effect on the ocean which causes the ocean to bulge toward the Moon. When the Moon is in alignment with the sun the ocean bulges out more because of the added gravity. The Moon though smaller than the sun has more gravitational pull than the sun.

I need someone to do a very big task for me in biology..I will give brainlist. The teask i need is the first one in my profile. Thankyou

Answers

Answer:

Explanation:

i'll try

Earth makes one full rotation on its axis approximately every 24 hours. If Earth's period of rotation decreased to 20 hours, which of the following changes would occur?


There would be fewer days in a week.


The length of nighttime would increase.


It would take Earth longer to revolve around the Sun.


The length of daylight and nighttime would decrease.

Answers

Answer:

The length of daylight and nighttime would decrease.

Explanation:

If 24 hours was decreased to 20, it would shorten night and day time.

Which body systems work together to move your hand when you touch something hot?

Answers

Answer:

The nervous system takes in information through our senses, processes the information and triggers reactions, such as making your muscles move or causing you to feel pain. For example, if you touch a hot plate, you reflexively pull back your hand and your nerves simultaneously send pain signals to your brain

Summarize the roles of glucose and ATP in
energy processing.

Answers

Answer:

Summary. Glucose is the carbohydrate produced by photosynthesis. Energy-rich glucose is delivered through your blood to each of your cells. ATP is the usable form of energy for your cell

What are the possible benefits of hybridization?

Answers

Answer: Advantages of hybridization are passing down favorable traits and prolonging the survival of a threatened or endangered species.

Hope this helps! ^^

Answer:

Advantages of hybridization include passing along favorable traits and prolonging the survival of a threatened or endangered species, but a disadvantage is that hybrid animals have more difficulty finding mates and successfully breeding. Hybridization occurs naturally and through human initiation.

In mitosis, parent cell(s) divide into daughter cell(s).

Answers

Answer: yes, mitosis is simple cell division

Explanation: mitosis is the process by which a cell divides into two cells, each with DNA from the duplication of the two original strands (in eukaryotes, duplication of all chromosomes).

Answer:

One, two

Explanation:

When ONE parent cell divides, it divides into TWO daughter cells.

how do buffers work in the human body?​

Answers

Answer: They can help prevent a deadly change in blood pH. They can help keep blood below pH 7.0. They can help keep blood at a pH of 7.0.

Explanation:

true or false:

Fish are considered carbon-based organism

Answers

Answer:

Its how you see it.

Explanation:

1.Life on Earth is based on carbon, likely because each carbon atom can form bonds with up to four other atoms simultaneously. This quality makes carbon well-suited to form the long chains of molecules that serve as the basis for life as we know it, such as proteins and DNA.

2.All life on earth can be thought of as "carbon-based." Just be careful about turning this around backwards. It is true that all living things contain carbon compounds... but the opposite is not true. Just because a certain material is referred to as organic does not mean it is or ever was alive.

Describe the structure of the conjugated protein
haemoglobin, with reference to the levels of protein
structure.

Answers

Answer: Answer below, hope this helps! :D

Explanation:

A conjugated protein is a protein that functions in interaction with other (non-polypeptide) chemical groups attached by covalent bonding or weak interactions. ... The non-amino part of a conjugated protein is usually called its prosthetic group. Most prosthetic groups are formed from vitamins. Hemoglobin is a protein having a globular structure. Based on its structural properties, hemoglobin can be divided into two parts; a protein part and a heme group. The structure of the protein part can be studied at four levels; primary structure, secondary structure, tertiary structure, and quaternary structure.

What is seed dispersal? Name some agents of seed dispersal​

Answers

Answer:

The Process by which seeds spread over a wide area is known as seed dispersal..

some agents

Air

water

animals

etc..

Answer:

Seed dispersal is the movement, spread or transport of seeds away from the parent plant.

The most common methods are :

wind, water, animals, explosion and fire.

how did advancements in technology help scientists better understand process of cell division?

Answers

Answer:

As is true for many fields of research, cell biology has always been ... Thanks to these advances we now have access to microscopes and ... You might then also realize that the new method, at least on paper, may have additional applications. ... which makes the technology attractive to yet more scientists.

Explanation:

Hoped I helped you out please mark me brainliest!!!

With the creation of the microscope, humans were able to observe plant and animal cells, and as technology advanced, scientists were able to learn more about these various types of cells.

What is a microscope?

A microscope is a device that can be used to examine small objects, including cells. The image of an object is magnified in the microscope by at least one lens.

In most cases, the light is focused on the sample by passing it through a condenser.

After passing through the sample, the light passes through the objective lens, which magnifies the image of the sample, and then to the oculars, where the enlarged image is viewed.

The discovery of the green fluorescent protein (GFP), the development of increasingly sophisticated microscopes, and the development of in vitro assays that faithfully reproduce cellular functions are just a few examples of technological advances that have fueled many areas of cell biology.

Thus, it can be concluded that the advancements in technology help scientists better understand process of cell division.

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Bam hi cuts between what bases

Answers

bam hi cuts?
can you clarify what that is so i can help you?

Distinguish relative dating from absolute dating.

Answers

Answer:

Explanation:

Relative age is the age of a rock layer (or the fossils it contains) compared to other layers. ... Absolute age is the numeric age of a layer of rocks or fossils. Absolute age can be determined by using radiometric dating


If a strand of
DNA reads ATC
C, what would
the other side
read?

Answers

Answer:

TAGG

Explanation:

Adenine always pairs with thymine and cytosine always pairs with guanine

Hemophilia is a recessive sex-linked trait. A non-hemophiliac man and woman marry and
have a daughter who is a hemophiliac. The father of this child suspects infidelity and is
considering a divorce. Does he have sufficient evidence of infidelity? Explain.

Answers

That would not be sufficient evidence of infidelity since the genotype of the father and mother aren’t given, they could still carry the recessive allele for Hemophilia which the daughter could have inherited to be hemophiliac.

The father does not have sufficient evidence of infidelity as the parent's genotype is not mentioned which could have the recessive trait  of hemophilia being inherited to the daughter.

What is hemophilia?

Hemophilia is a disorder which is rare which results when the blood does not clot in it's usual way  as it does not have sufficient blood-clotting factors .A  person suffering from hemophilia can bleed for a longer period of time resulting in blood loss.

It is almost always that hemophilia occurs genetically . Treatment of hemophilia include replacement of the specific blood clotting factor that is reduced. Symptoms of hemophilia vary from person to person depending on the level of the clotting factors.

Signs and symptoms include excessive bleeding ,large or deep bruises, pain or swelling in joints ,nosebleeds,etc.

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How does increasing plant biomass (amount of plants) affect atmospheric CO

Answers

Answer:

Since there are more plants more carbon dioxide is being removed because plants are carbon reservoirs.

Explanation:

A stimulus is anything that causes a reaction or response. What is an example of an outside stimulus and an inside stimulus?

Answers

Answer:Stimulus: any change in an organism's environment that causes the organism to react. It is a fancy way of saying “cause”. Example: An animal is cold so it moves into the sun.

Explanation:

Answer:

hi

Explanation:

any change in an organism's environment that causes the organism to react. It is a fancy way of saying “cause”. Example: An animal is cold so it moves into the sun.

What process increases genetic variation

A. Mitosis
B. Asexual Reproduction
C. Codominance
D. Crossing- Over

Answers

Answer:

Crossing Over

4. How does temperature affect chemical weathering?
A. It is an agent of weathering.
B. It affects the amount of oxygen involved in weathering.
C. It affects the rate of weathering.
D. It affects the type of weathering.

Answers

Answer:

C.

Explanation:

It affects the rate of weathering.

Please help !! there are pictures and I need to put words in the boxes next to them that match. These are the words

Precambrian

Paleozoic

Mesozoic

Cenozoic

HELP PLEASE 20 points !!

Answers

hay dndnnd dnnsnsnsjssjsj

Whats the answer giving brainliest HELP!!!!!

Answers

Answer:

I feel like the first one is the best

Explanation:

widening the roads will just cause more cars.

raising the price is most likely not gonna help but its an option.

expanding just means more cars

FIND THE INDEPENDENT & DEPENDENT VARIABLE!

- the amount of iron in blood depends on the amount of red meat a person eats.

Answers

Answer:

The answer is:

Independent: red meat eaten by a person

Dependent: iron in the blood

Explanation:

A dependent variable has to depend on something else, so in order for a dependent variable to exist or happen, there has to be the independent variable. The independent variable is something that does not need anything else to happen for it to take place. It s independent. Such as, a mother cannot have a child without sperm. The mother have a child is dependent, where the sperm is independent.

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