Help pleaseee

The cell membrane is selectively permeable, or semipermeable, meaning that

A)all substances can cross at any time.
B)large molecules can pass through without help.
C)only water can cross.
D)it only permits certain substances to cross.

Answers

Answer 1

Answer:

It is definitely D

Explanation:

the term semipermeable means it only allows SOME things to go through

Answer 2

Answer:

D, it only permits certain substances to cross.

Explanation:

This answer is similar to the one that I came across on Edge 2020

And I got it right


Related Questions

1. Which structure connects muscle to bone and allows force to be transmitted from the muscle to move the skeleton?
2. What is the muscle that pumps the blood throughout the body?
3. Which type of muscle is found in your digestive system?
4. What are skeletal muscles?
5. What are the three major types of muscles in the human body?
6. What is the strongest muscle of the human body?
7. What is the fastest muscle of the human body?
8. What do you know about muscle contraction and relaxation?
9. What are antagonistic muscle pairs?
10. During which process does the muscle generate a force? Is it contraction or relaxation?

Answers

1. The structure that connects muscle to bone and allows force to be transmitted from the muscle to move the skeleton is the Tendon. 2. The muscle that pumps the blood throughout the body is the Cardiac Muscle.3. The type of muscle found in the digestive system is the Smooth Muscle.

4. Skeletal muscles are the muscles that control the voluntary movements of the body. 5. The three major types of muscles in the human body are skeletal muscles, smooth muscles, and cardiac muscles.

6. The strongest muscle of the human body is the Masseter muscle.7. The fastest muscle of the human body is the eye muscle.

8. Muscle contraction is the process by which a muscle develops tension and produces force, whereas muscle relaxation is the process by which the muscle releases tension and becomes less forceful.

9. Antagonistic muscle pairs are a set of two muscles that have opposite functions and work together to control movement around a joint.

10. Muscle generates a force during muscle contraction.The process during which a muscle generates a force is muscle contraction.

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Prokaryotes and eukaryote cells have DNA, the genetic material. True or False ?

Answers

Answer:

False

Explanation:

False!! Prokaryotic cells have genetic information (as well as cytoplasm and a cell membrane); prokaryotic cells DO NOT HAVE A NUCLEUS!!! Pro means "NO"!! ... Cells that have a nucleus are called EUKARYOTIC.

I am making a dating profile for a Ribosomes and a I need a pick-up line, a hashtag, a bio, and a theme song.
ASAP, please and thank you. Also I need info on functions on how to keep the organelle alive and healthy and any bad habits. It has to be true facts but also be fun and cool ! the organelle healthy

I NEED IT ASAP PLLLLSSSSSSSSS, answer all pls

Answers

Answer:

You: Hey how you?

Her: Good

You: sorry I can’t call you beautiful

Her:y

You: they say true beauty is on the inside and I in been snide before

Her:

You: can I get your number?

What 4 things do both eukaryotic and prokaryotes cells contain?

Answers

Answer:

Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment.

Explanation:

The similarities between the eukaryotic and prokaryotic cells are:

Cell membraneRibosomesDeoxyribonucleic acid (DNA)Cell wall

Eukaryotic cells are those cells that contains organelles that are membrane-bound. These cells are found in plants, animals, fungi, and protists.

Prokaryotic cells are those cells that does not contain membrane-bound organelles. The cell structure is simple with no definite nucleus.

There are four components that can be found in both the eukaryotic and prokaryotic cells. They include:

Cell membrane: This is a semi-peameable membrane that surrounds the cell.Ribosomes: They are structures that are specialized for protein synthesis.Deoxyribonucleic acid (DNA): This is a hereditary material.Cell wall: This contains cellulose that helps protect the cell.

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What does the amount of fundamental particles determine

Answers

Answer:

The modern view of electric charge is that it is a basic property of atoms, the fundamental particles of which all matter is made. Atoms themselves are composed of three different types of particles—protons, neutrons, and electrons.

Explanation:

what element has 34 protons and 32 neutrons

Answers

Explanation:

Selenium is the answer

II. Write a position statement on whether you think athletes like Santhi should be allowed to compete. Use evidence based reasoning in your position.

Answers

Answer:

The correct answer is stated in the Explanation section.

Explanation:

Santhi Soundarajan is an Indian track and field athlete that have won multiple international medals. Santhi was the center of a controversy when she was striped her silver medal after failing a sex verification test at the 2006 Asian Games. Santhi has a condition known as androgen insensitivity syndrome, she carries a Y chromosome althoug she has female genitalia. I think is not fair to disqualify an athlete like Santhi unless it is determined that she committed fraud and that she has an evident advantage. If Santhi knew her condition and it is established that she has an advantage after multiple tests, then her medal could be removed.

The structures found in a living cell can be compared to the parts of a factory that produces cars. What part of the factory is most similar to the nucleus of the cell ?
- the computer room that control the assembly process
- a conveyor belt that transports materials
- the generator that provides energy for the factory
- a storage bin that holds pieces needed to assemble cars

Answers

I’m pretty sure it’s the first one :)

There are birds that eat the food from between the teeth of alligators, leaving the
alligators with clean teeth and the birds with a meal. What type of ongoing relationship
is this?
B. Mutualism
C. Commensalism
D. Parasitism
A. Predator & Prey

Answers

Answer:

B.

Explanation:

mutualism


Given the DNA sequence 3'TACCGAGGCATT 5' what is the complementary strand sequence?

Answers

Answer:

′UACCAAGGUAG5

Explanation:

DNA is a two-stranded molecule. Each strand is a polynucleotide composed of A (adenosine), T (thymidine), C (cytidine), and G (guanosine) residues polymerized by "dehydration" synthesis in linear chains with specific sequences. Each strand has polarity which runs from 5′ to 3′.

In DNA, A pirs with T and G pairs with C.

Fo through the original 5′ to 3′ sequence pairing each A with T ad each C wth G.

While RNA is a single strand molecule. This Strand also consists polynucleotide composed A, C, G and U (uridine).

For a complementary strand replace A with U (because RNA does not consist T), T with A, C with G, and G with C.

Hence,

Given strand: 5′ATGGTTCCATC3′

Complementary RNA strand: 3′UACCAAGGUAG5′

Keep in mind that the complementary strand will read from left to right in the 3 to 5 direction.

Which of the following elements is required for growth and development and is in our DNA? *
hydrogen
carbon
oxygen
nitrogen
phosphorus

Answers

I’m not sure but I think nitrogen. I’m guessing.

Help help help please

Answers

Answer:

Endoderism

Explanation:

which one of the following is not an organic compound​

Answers

CaO i think, hoped that helped

The few carbon-containing compounds not classified as organic include carbides, carbonates, and cyanides.

which of the following is a personal quality

Answers

Answer:

Flaxibility.

you didn't send the options so i guessed

Answer: Flexiblity

Explanation:

What animal phylum do leeches belong in?

Answers

Answer:

What animal phylum do leeches belong in?

Explanation:

Leeches are segmented parasitic or predatory worms that belong to the phylum Annelida and comprise the subclass Hirudinea. They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular, segmented bodies that can lengthen and contract.

Answer:

Annelida

Explanation:

"Leeches are segmented parasitic or predatory worms that belong to the phylum Annelida and comprise the subclass Hirudinea. They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular, segmented bodies that can lengthen and contract."

Scientific name: Hirudinea

Phylum: Annelida

Kingdom: Animalia

What human body response help maintain homeostasis?

Answers

Answer:

The endocrine system plays an important role in homeostasis because hormones regulate the activity of body cells. The release of hormones into the blood is controlled by a stimulus. For example, the stimulus either causes an increase or a decrease in the amount of hormone secreted.

Explanation:

Answer:

If a raise in body temperature (stimulus) is detected (receptor), a signal will cause the brain to maintain homeostasis (response). Once the body temperature returns to normal, negative feedback will cause the response to end. This sequence of stimulus-receptor-signal-response is used throughout the body to maintain homeostasis.

Explanation:

How have modern organisms evolved over long periods of time?

Answers

Answer:

Darwin's theory of natural selection states that organisms evolved from their common ancestors over a long period of time.

Hope this helps!

The organism shown is a free-living one that is anchored to the
bottom of ponds and streams during one stage of its life cycle.
What is the common name of the group to which this organism
belongs?
O cnidarians
O rotifers
O bryozoans
O mollusks

Answers

Answer:

Cnidarians

Explanation:

The organism describes sounds like a hydra, which is a genus of organisms that belongs to the phylum cnidaria. These organisms are tubular organisms with tentacles surrounding their mouths

What is the structure of the cell membrane?
O A
Two layers of carbohydrates with embedded water
O B.
Two layers of nucleic acids with embedded lipids
0 C
Two layers of phospholipids with embedded proteins
O D.
Two layers of proteins with embedded DNA

Answers

Answer:

C

Explanation:

The landscape of the membrane is studded with proteins, some of which span the membrane. and the plasma membrane is composed of a bilayer of phospholipids,

1. The (incorrect) belief that life is produced by a mysterious spirit or force is called: a. spiritualism b. recidivism C. vitalism d. hoodoo-voodooism​

Answers

Answer:

it has the word spirit in it. Spiritualism

What do all hypothesis have in common

Answers

Answer:

Explanation:

they are all based on observations

Herbivores obtain most of their energy by
A.consuming animals
B.consuming plants
C.producing sugar
B. absorbing sunlight

Answers

Answer: B.) Consuming plants


Herbivores consume and get their energy from only plants :)

How do biological systems respond when acids or bases are added?



Biological systems do not experience any changes in pH.

Biological systems do not experience any changes in pH.


Cells produce different molecules that can function at the new pH levels.

Cells produce different molecules that can function at the new pH levels.


Most biological molecules can function at any pH value.

Most biological molecules can function at any pH value.


They have substances that counteract acids or bases to prevent the pH from changing.

Answers

Answer:

The correct answer is - They have substances that counteract acids or bases to prevent the pH from changing.

Explanation:

Including human, all the organism depends on the water so therefore known as waster system based which suggests that they depend on the acid-base liquid equilibrium to maintain its cellular functions and homeostasis.

Acid and bases are influences and determine the pH value of the chemistry of biological systems as every cycle is affected by the pH fluctuation so the maintenance of pH is very critical.

so as to keep biological system compound and in the equilibria of protonation, they have certain substances in each cycle or part that counteract the acid and base to maintain pH.  

for instance:

phosphate ion  maintains the Cytoplasm pH

the bicarbonate ion regulates the Blood pH

HELP FAST PLEASE. Vacuoles in different organisms and cell types typically have different compositions and functions. Which of the
following pairs are most similar in composition and function?
•central vacuoles in plant cells and food vacuoles in amoebas that store sugar
•contractile vacuoles in unicellular eukaryotes and central vacuoles in plant cells
•contractile vacuoles in unicellular eukaryotes and small storage vacuoles in plant cells
•food vacuoles in amoebas and lytic vacuoles in plants that contain hydrolyzing enzymes

Answers

Answer:

The answer is B

Explanation:

Jus took the test on edgenuity

Answer:

Food vacuoles in amoebas and lytic vacuoles in plants that contain hydrolyzing enzymes

Which of the following correctly differentiates between the science in the time of Aristotle and science in the time of Galileo?
a) In Galileo's time, science was more like philosophy, whereas in Aristotle's time, it involved objective, empirical test.
b) In Aristotle's time, science was more like philosophy, whereas in Galileo's time, it involved objective, empirical test.
c) In Galileo's time, science was practiced only by great thinkers, whereas in Aristotle's time, it could be practiced by anyone.
d) In Aristotle's time, science was practiced only by great thinkers, whereas in Galileo's time, it could be practiced by anyone.

Answers

Answer:

the answer is b i believe:)

Explanation:

hope this helps love:))

PLEASE HELP FAST!!


CELLS: Describe the structure of a eukaryotic plant cell. Indicate the ways in
which a non-photosynthetic prokaryotic cell would differ in structure from this
generalized eukaryotic plant cell.

Answers

Answer:

A cell that is nonphotosynthetic, such as a prokaryotic bacterium, would not require chloroplasts to function.

Explanation:

A broad sweeping eukaryotic plant cell accomplishes the basic functions required for plant care. It's a jumble of organelles held together structurally by the cell membrane, which is located outside of the cell wall.

What is eukaryotic cell?

Plant and animal cells are eukaryotic, which means they contain nuclei. Plants, animals, fungi, and protists all have eukaryotic cells.

They typically have a nucleus organelle surrounded by a membrane called the nuclear envelope, which stores DNA.

Prokaryotes are typically simpler, requiring only a few organelles to survive. This is frequently because, as previously stated, it requires less energy.

It has DNA to contain genetic material, ribosomes to make proteins, a cell membrane, and a cell wall to protect the cell from its surroundings. While other components are produced by prokaryotes, the ones listed above are those that may be found in plant cells.

Aside from that, the non-photosynthetic prokaryotic cell requires much less energy, resulting in a cell that is much smaller and less complex than the generalized eukaryotic cell.

Thus, this way, a non-photosynthetic prokaryotic cell would differ in structure from this generalized eukaryotic plant cell.

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True or False. If gametes were produced in the same way as daughter cells in mitosis, there would be a doubling of the chromosome number at fertilisation.

Answers

Answer:

true im pretty sure

Explanation:

What us one way people have negatively affected land resources?
A. Habitat Restoration
B. Urbanization
C. Terrace Farming
D. Reforestation (Not deforestation)
Please Help!​

Answers

Answer:

A

Explanation:

because people wants more than tehy want

It’s (A) habitat restoration

In the fluid Mosaic model, the cell membrane is made of two kinds of Molecules?

Answers

Answer:

The fluid mosaic model describes the cell membrane as a tapestry of several types of molecules (phospholipids, cholesterols, and proteins) that are constantly moving. This movement helps the cell membrane maintain its role as a barrier between the inside and outside of the cell environments.

Explanation:

the part of the that makes up one molecule of ADP

Answers

Answer:

not exactly getting your point in this question but this is the best that i have right now.

Explanation:

ADP= adenosine diphosphate

1. Nucleotide, adenine, ribose

2. 2 phosphate groups

3. Add a phosphate group to make ATP

4. When energy is released from ATP, it becomes ADP:      ATP→ADP+P i

5. When energy is stored, ADP becomes ATP:      ADP+P i →ATP

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A week later, the father was shocked when he picked up a newspaper and read that the woman he did not hire had severely injured a little girl who was under her care.From the passage, the reader can infer that the author has the opinion that If two arm wrestlers exert a force on each others hands, and the hands dont move, the forces must be *balancedunbalancedweakstrong