Which specialized cells act as a barrier to protect tissues within the body?

epithelial cells
neurons
red blood cells
smooth muscle cells

Answers

Answer 1

Answer:epithelial cells

Explanation:

Hope this helps you

Answer 2

Answer:

A, epithelial cells

Explanation:

Edge 2020


Related Questions

What is the difference between transpiration and diffusion

Answers

Answer:

In sunlight the concentration of water and oxygen molecules just inside the stomata is higher than the concentration of the air around the leaves so water vapor and oxygen diffuse, or move out, from the leaves through the stomata. Diffusion, then, is a physical driver of transpiration. Hope this helps!

Explanation:

Brainliest?

air resistance
Answers
A. the force that accelerates object to earth
B. the general term for the force that one surface exerts on another when they rub against each other.
c. the kind of friction that slows a falling object
d. the state the exists when the force acting on an object is gravity
e. the kind of friction that results when you rub sandpaper on wood.
f. the kind of friction that results when a wheel turns on a surface
g. measure of the force of gravity on a object
h. a falling object reaches this when the force of gravity and air resistance are balanced.
i. the kind of friction that exists between oil and a door hinge.

Answers

The answers are A,B,G

In the 1960s the molecular biologist George Streisinger developed the strand- slippage hypothesis. Streisinger noticed that mutations occurred in areas of DNA that contained many repeated sequences. When a strand -slippage occurs, an insertion mutation can result. How does the insertion mutation affect the DNA?

Answers

The insertion mutation affect the DNA by changing certain cells

The insertion mutation affects the DNA cause Nitrogenous bases are added to the mix. This is further explained below.

What is a DNA?

Generally, DNA is ssimly defined as a molecule found inside cells of a living organism that holds the genetic information.

In conclusion. Nitrogenous bases are added to the mix with the insertion of mutation.

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once the perfume molecules reach the other side of room , what do the perfume molecules do

Answers

Maybe dissolve or become smaller

Why are Cells sometimes referred to as "Life's Atoms?

Answers

Answer:

Cells are sometimes referred to as "life's atoms" because there the basic units of life. All cells are surrounded by a structure called the cell membrane — which, serves as a clear boundary between the cell's internal and external environments.

Answer:

Becauae they make up everything

I need biology help can someone pls help me I Will give brainliest

Answers

Answer:

pripriw bruh or not bruh

what will most likely happen to the squirrel?

Answers

Could you give me more background about said squirrel.

Answer:

C) The squirrel will starve if it can't find enough food

Explanation:

If the question is “This squirrel lives in a forest and eats only acorns. What will MOST LIKELY happen to the squirrel if the oak trees in this forest start dying of a disease? A) The squirrel will adapt to less food. B) The squirrel will not be affected at all. C) The squirrel will starve if it can't find enough food. D) The squirrel will eat berries instead of acorns to survive.” then the answer would be C because the squirrels usually on the acorns from trees, and if the trees are gone or there isn’t any food left on the tree the squirrels will starve because they were depending on the acorns for food.

HELP ME PLEASE I DON'T KNOW WHAT TO DO AND THERE IS A BIRD TRYING TO GET INTO THE WINDOW WHAT DO I DO!!!!!

Answers

Answer:

EAT IT

Explanation:

YOU WOULD WANT TO CALL A MR. DWIGHT SHRUT TO HELP YOU IF YOU CAN!!

Answer:

be brave.

Explanation:

Through which material would sound travel the fastest?

A. air
B. water
C. steel
D. sponge

Answers

Answer:

A

Explanation:

Sound travels fastest through solids and liquids more than it does in gases since the molecules are more tightly packed.

Thus the answer would most likely be C.Steel

what is the pH of common solutions? vitual lab

Answers

Answer:

it ranges from 0-40

Explaination:

pH values will lie mostly in the range 0 to 14, though negative pH values and values above 14 are entirely possible.

What if the action potential never rest or not stopping? Some real-life examples of a person and what are the consequences?

Answers

Answer:

Hdnnake

Explanation:idkdkdndjnd

I’ll

How do I do this pls smart people emt

Answers

Answer:_____________________________________

Adductor muscle: Any muscle that pulls a body part toward the midline.

Abductor muscle: Any muscle that pulls a body part away the midline

_____________________________________

Left arm: Adduction

Right arm: Abduction

Left leg: Abduction

Right leg: Abduction

_____________________________________PLANES

Coronal Plane: Cutting the body as a Frontal plane transects the frontal sternum in two halves

Transverse Plane: Cutting the body from the mid in the two equal halves from the horizontal axis

Midian Plane: It is the midline body.

_____________________________________IF YOU ANYHOW STILL HAVE ANY CONFUSION I HAVE ATTACHED ALL THE PLANES BELOW__________________________________________________

The belief that living organisms can come from non-living organisms is

PLEASE HELP ASAP

Answers

Answer:

Spontaneous generation, the hypothetical process by which living organisms develop from nonliving matter; also, the archaic theory that utilized this process to explain the origin of life.

A ferret's haploid number of chromosomes is 20. How would the number of chromosomes in the ferret's body cells compare to the number of chromosomes in its gametes? (4 points)
A. Its body cells would have 20 chromosomes, and its gametes would have 40 chromosomes.

B. Its body cells and gametes would both have 40 chromosomes.

C. Its body cells and gametes would both have 20 chromosomes.

D. Its body cells would have 40 chromosomes, and its gametes would have 20 chromosomes.

Answers

Answer:d

Explanation:d

Suppose you have the following research question: How does low gravity affect an astronaut’s blood pressure? Without actually going into space to find out, what kind of research method should you usee?

A. Experimental Study
B. Observational Study
C. Field Study
D. Simulation

Answers

Answer:

Simulation

Explanation:

In an experiment where you find something out without being there would be a simulation. Hope this helps :)

Without actually going into space to find out, simulation can be used. Thus option D is correct.

What is simulation in research ?

Simulation is the re-enactment of real-world situation for different reason as it cannot be done in real due to several reasons.

This is completely conducted in a controlled environment which also the modification or addition of variable factor if needed.

The primary aim of this technique is to teach people with the appropriate steps to take in the event.

It is mostly used in cardiopulmonary resuscitation (CPR), science  experiments,  movies, sports, and video games.

It is used to identify what type of situation needs to be recreated and assess will be feasible, the goal for doing simulation should be decided, the device, model or parts need to be executed during simulation.

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Which statement is scientifically based?
Ο Ο
O O
Mutations rarely occur.
All mutations are harmful.
Some mutations can be contagious, like infections.
Mutations are not passed from parent to offspring?

Answers

Answer:

Mutations rarely occur.

Plzzzz helpppp meere

Answers

Answer:

I may not be right but i believe the answer is c

Explanation:

What is the domain that producers are found in?

Answers

Eukarya
All of the cells in the domain Eukarya keep their genetic material, or DNA, inside the nucleus. The domain Eukarya is made up of four kingdoms: Plantae: Plants, such as trees and grasses, survive by capturing energy from the sun, a process called photosynthesis.

What is the jellylike interior of the cell called?
A: mitochondria
B: cell wall
C: cytoplasm

Answers

Answer:

cytoplasm

Explanation:

Answer:

C

Explanation:


Humans have found that we can eat the space cow, and it's delicious! There are no laws currently in place protecting the environment of Planet Z. What would happen to the populations of both the Space Cows and the Vaderians if humans began to hunt for Space Cows on Planet Z?

Will it increase or decrease and why?

Answers

if humans begin hunt the space cows they will eventually become extinct causing the vaderians to lose a main source of food which would most likely cause their population to also decrease.

Which event is caused by gravity?
A. Water enters an aquifer through infiltration.
B. Water exits a person through perspiration.
C. Water changes from ice to liquid water through melting.
D. Water moves from the atmosphere to a glass surface through
condensation

Answers

Answer:

A

Explanation:

A

Answer:

A

Explanation: took the test

How are photosynthesis and cellular respiration related?
A. They are both performed by plants.
B. They are both performed by animals.
C. They both require energy from the sun.
O D. They both produce glucose molecules.

Answers

D. They both produce glucose molecules
A.they are both preformed by plants ,

b is wrong because photosynthesis is only in plants ,c is wrong because only photosynthesis requires sun energy,d is wrong because only photosynthesis is able to developed glucose

which species is most closely related to the red panda? provide evidence below(optional)
****will mark brainiliest!!!1​

Answers

Answer:

Red pandas are probably most closely related to the group that includes skunks, raccoons and weasels.

Explanation:

It has been classified as a relative of the giant panda, and also of the raccoon, with which it shares a ringed tail. Currently, red pandas are considered members of their own unique family—the Ailuridae.

how to do this question​

Answers

i)iodine

ii)A,B,D= no colour change and c is turned black

B and D will have no colour changes they don't have starch

This can be found in plant cells, but NOT in animal cells.
A: mitochondria
B: vacuole
C: cell wall

Answers

Answer:

C.cell wall

Explanation:

Animal cells don't have a cell wall

animals have cell membranes but no cell wall.

No ones helping me. Only answer if you know :( Due by the end of today

Answers

Answer:

Explanation:

The black trait is a recessive trait because it only shows up in 3 people in that is rare. It also only occurs in either male or female looking at the shapes. The first part may be wrong but I believe that this is a Autosomal trait because it isn't occuring in every single person meaning it is a mutation.

I honestly hope this helps you.

What can a scientist
learn by observing the
behaviors of a particular
animal?

Answers

Answer:  Sense food, Predators

Explanation: They can observe the animals odor and they can also observe the animals predators.

Scientists are inspired to the survey of animal behavior for a variety of reasons, and the ground is pretty varied, ranging from feeding behavior and habitat selection research to mating behavior and social organizations.

What is animal behavior?

Animal behavior encompasses all of the ways in which animals interact with other organisms and their physical surroundings.

Behavior can also be defined as a change in an organism's activity in response to a stimulus, an external or internal cue, or a combination of cues.

Animal behavior connects the molecular and physiological aspects of biology to the ecological.

Behavior is the link between organisms and their surroundings, as well as between the nervous system and the ecosystem. One of the most important aspects of animal life is behavior.

Animal research helps scientists understand how living creatures, both human and animal, function.

Animal research allows us to get a close-up look at living organisms and how their physical, chemical, and functional life systems function.

Thus, this way, a scientist can learn many varied things regarding organisms by learning animal behavior.

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Determining Population Size

Answers

Answer:

B) population density

Explanation:

Answer:

Yes

Explaination:

please help
Did water move into or out of the cell in the hypotonic solution? Question 11 options:

A. out of

B. into

Answers

Answer:

A, out of

Explanation:

Please give me brainliest

Describe the steps in making, packaging, and exporting a protein from a cell.​

Answers

Answer:

1. proteins are assembled on ribosomes

2. proteins targeted for export to the cell membrane, or to specialized locations within the cell. They complete their assembly on ribosomes bound to the rough ER

3. Newly assembled proteins are carried from the rough ER to the golgi apparatus in vesicles

4. the golgi apparatus further modifies proteins before sorting and packaging them in the membrane-bound vesicles

5. vesicles from the golgi apparatus are shipped to their final destination in or out of the cell

Explanation:

Hope you have a great day ;-)

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