Cell membranes are structured so that molecules can pass in and out if the cell across them. While both plant and animal cells have membranes, plant cells also have cell walls surrounding their cells. Which if the followinng observations best supports the conclusion that molecules can cross cell walls as well

Answers

Answer 1
Cell membranes are semi Permeable, which means a selective verity of molecules can pass through. Theses molecules that can pass through are usually hydrophobic, water hating molecules.
Answer 2
Cell walls allow anything any size to come in.

Related Questions

A _______ describes the location of a cell based on its column and row location.

Answers

A Cell Address describes the location of a cell based on its column and row location. A combination of the letter and a number that specifies the column and the row in which a cell is located on a spreadsheet.

Which food is a tcs food saltine crackers cooked beans canned peaches raw carrots?

Answers

Food which is a TCS is cooked beans . Second one is the correct option.

TCS foods, or Time/Temperature Control for Safety foods. To limit the growth of illness-causing bacteria in a TCS food, time and temperature controls are required.

Any dish containing cooked rice, beans, vegetables, or pasta must be labeled as TCS and kept out of the temperature danger zone.

Animal-derived food that is raw, cooked, or partially cooked, such as eggs, milk, meat, or poultry. Cooked plant-based foods such as rice, potatoes, and pasta. Raw seed sprouts, cut melons, cut tomatoes, and cut leafy greens are examples of plant-based foods.

Thus, the second option is the correct .

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Final answer:

In the context of TCS (Time/Temperature Control for Safety) foods, the food option from saltine crackers, canned peaches, cooked beans, and raw carrots that are considered a TCS food is the cooked beans.

This is due to their high protein content and moisture which can promote the growth of harmful bacteria if not stored correctly.

Explanation:

In the query about TCS foods, TCS stands for Time/Temperature Control for Safety.

These foods require specific time and temperature controls to prevent the growth of pathogens or production of toxins. From the listed foods: saltine crackers, canned peaches, cooked beans, and raw carrots, the cooked beans fall under the category of TCS foods.

This is because they are protein-rich and moist, providing a favorable environment for pathogen growth if not stored correctly. On the other hand, saltine crackers, canned peaches, and raw carrots are not TCS foods because they do not typically support the growth of harmful bacteria or toxins due to their low moisture content, high acidity or process of preservation.

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The myocardium is thickest in the ________ ventricle because it must work the hardest to pump blood to the entire body.

Answers

The left ventricle is responsible for pumping oxygenated blood throughout the entire body, which requires a lot of work and pressure, hence why it is super thick.
Final answer:

The myocardium is thickest in the left ventricle as this part of the heart must pump blood to the majority of the body, requiring a thicker muscular wall due to the exerted pressure.

Explanation:

The myocardium is thickest in the left ventricle because it must work the hardest to pump blood to the entire body. The myocardium is the muscular wall of the heart, and it contracts to push blood out of the heart. The left ventricle has to pump blood to all parts of the body, except the lungs, exerting more pressure and needing a thicker myocardium as a result.

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Which is true about all unicellular and multicellular organisms?

•They are made of one cell
• They reproduce
• They cause infections
• They are made of multiple cells

Answers

Answer:

they both reproduce

Explanation:

Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. ... Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions.

Dr. mitchell is a scientist studying heredity. she wants to isolate the basic unit for the transmission of heredity, which is a(n) _____.

Answers

The answer in the space provided is gene which is a unit of hereditary, this is being transferred or it is having to be passed down by parents to their child in which will contribute to the child’s characteristics and even behaviors.

What is the difference between living, non living, and dead?

Answers

the difference is to living you are breathing nonliving once was breathing and dead is not living but all once was at one point an time so the answer is the difference dead is dead

What are the two fundamental roles of dna?
a. to carry out the genetic instructions for protein synthesis, and replicate itself before cell division.
b. to carry out the orders for protein synthesis issued by rna, and to control genetic expression by shutting down genes or altering their expression.
c. to carry out and direct instructions for protein synthesis.
d. to direct protein synthesis, and replicate itself before cell division?

Answers

the two fundamental roles are To direct protein synthesis, and replicate itself before cell division. To make the proteins, our body needed to obtain the required information from the DNA. So it pretty much acted as the main controller in protein synthesis.
During cell division,  DNA will split so the Children could obtain half of their fathers DNA and half of their mother's DNA

Energy is the ability to do ____________ . energy comes in two forms: ____________ and potential energy.

Answers

Im not sure about the first one but the second one is kinetc

The fully folded structure of a functional protein composed of a single polypeptide chain is referred to as the _____ structure.

Answers

The closest answer to this problem is Tertiary. Protein are large biomolecules made up of individual single amino acids. It is the Tertiary structure arrangement of protein that would give the functionality and shape of protein when attached to the other molecule.

Why is the plasma membrane selective

Answers

The plasma membrane is selective because it has to be able to determine what is vital to the body or what is dangerous and unable to be received. Specifically the plasma membrane is a part of the cell that is contained of lipids and proteins. It is the regulation center of the cell and it's operation is functional to a living organism.

Please vote my answer brainliest. thanks!

Congenital dislocation of the hip is a common birth defect in which the __________ fails to form completely or the ligaments of the hip joint are loose.

Answers

The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is not stable within the socket (the acetabulum). The ligaments of the hip joint may also be loose and stretched. The degree of instability or looseness varies.

What type of digestion is used to break down small food particles by enzyme action?

Answers

chemical digestions is the type of digestion is used to break down small food particles by enzyme action


A particular ant species has four pairs of chromosomes. Identify the genetic possibilities from independent assortment of a gamete.
A. 256
B. 124
C. 16
D. 8

Answers

A. 256 it would be 4 to the fourth power 
In this question, the ant has 4 pairs of chromosomes. Each pair of chromosomes will be separated in a gamete, resulting 4 unpaired chromosomes. That is why gamete is called haploid or n.
That means only 1 of the 2 chromosomes that will be carried into a gamete, assuming the gene heterozygote then there would be 2 possibilities. Since each chromosome pairs can produce 2 possibilities for each male or female, their interaction will result as (2x2) 4 possibilities.
Then for 4 chromosomes would be 4^4 possibilities= 256 possibilities of offspring

Newton’s law of universal gravitation a. is equivalent to Kepler’s first law of planetary motion. b. can be used to derive Kepler’s third law of planetary motion. c. can be used to disprove Kepler’s laws of planetary motion. d. does not apply to Kepler’s laws of planetary motion.

Answers

Newton published his law of universal gravitation almost a hundred
years later.  Using some calculus and some analytic geometry, which
any serious sophomore in an engineering college should be able to do,
it can be shown that IF Newton's law of gravitation is correct, then it MUST
lead to Kepler's laws.  Gravity, as Newton described it, must make the planets
in their orbits behave exactly as they do.

Answer:

B. Can be used to derive Kepler's third law of planetary motion.

Explanation:

According to gravitational law, force of attraction exists between two bodies, with the force depending on the mass of the two bodies and distance between them.  It can be used to derive Kepler's third law, according to which

[tex]\frac{mv^2}{r}=G\frac{Mm}{r^2}\\v =\frac{2\pi r}{T}\\ \Rightarrow \frac{T^2}{r^3}=\frac{4\pi^2}{GM}\\ T^2\propto r^3[/tex]

What are the two major misuses of resources geographers observe?

Answers

1) depleting nonrenewable resources like petroleum, natural gas, and coal and 2) destroying otherwise renewable resources with the pollution of air, water, and soil

The two major misuses of resources observed by geographers are the depletion of nonrenewable resources and the destruction of otherwise renewable resources by pollution.

Why is the symbol X avoided in algebra?

Answers

The X symbol looks too much like the multiplication symbol, it also makes using it as a variable more confusing.

Answer:

The X looks too similar to the multiplication sign. So, to avoid multiplication signs that look like x's, people use *, ( ), · , instead of an X. This avoids much confusion.

When a patient is discharged from the hospital the attending physician dictates a(n)?

Answers

Daily updated note, along with discharging note as to where abouts they may be going along with post car.

Mary smith is a 57 y/o woman who experienced an mi. after bypass surgery with a restoration of blood flow to the initial area of heart damage, her heart sustained additional damage. what occurred? select all true responses about this condition.

Answers

This process is called Reperfusion injury. The next step is you need to look up the mechanism. It is an end of the chapter question. 
This condition is called reperfusion injury

In this case, Mary got and myocardium infarct and then the doctor does bypass surgery to restore its blood flow. Myocardium is the name of the muscle of the heart. In fact is a condition when the cell is death(can be by various cause). In this case, the muscle died because of the lack of oxygen. 
Reperfusion injury happen when an area that undergoes lack of oxygen got for a long duration got it blood flow back. In this condition, the perfusion will cause additional damage and induce inflammation and oxidation, causing injury to the cells.

How would planting a variety of plants in a vacant lot help establish an ecosystem in that location?

Answers

Trees would help make a forest. Tall grass would help make a meadow. Hope this helps!

Plants grow and reproduce together, producing nutrients from leaves / branches, encouraging insects, along with animals and a keystone species, to establish a revolving ecosystem.

What is an ecosystem ?

An ecosystem is a geographical area in which plants, animals, and other species, as well as weather and scenery, coexist to produce a life bubble. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems. Plants, animals, and other species are considered biotic factors.

Plants capture solar energy through photosynthesis, giving other organisms food and a place to live. For instance, insects that feed on plants may be eaten by birds that in turn may be devoured by raptors, and so on.

Therefore, planting a variety of plants in a vacant lot help establish an ecosystem in that location.

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Which lobe or cortex is farthest from the cerebellum?
a. frontal
b. parietal
c. occipital
d. temporal?

Answers

The lobe or cortex is the largest part of the brain, full of thought, perception, imagination. It is a thin layer of gray matter, divided into four lobes with different functions. The frontal lobe is the cortex that is further away from the cerebellum and is responsible for voluntary movements and decisions and is considered the most important lobe where personality and intelligence develops.

Final answer:

The frontal lobe, located at the front of the brain, is the cerebral cortex furthest from the cerebellum.

Explanation:

To determine which lobe or cortex is farthest from the cerebellum, it is important to understand the location of each lobe of the cerebral cortex. The cerebellum is located beneath the occipital lobe, towards the back of the brain. Considering the position of each lobe, the frontal lobe is located in the forward part of the brain and is the farthest lobe from the cerebellum. Therefore, the correct answer is a. frontal.

You have a column made of nickel-agarose matrix. your protein must have ________ to use this column for affinity chromatography.

Answers

Negatively charged R-groups in the primary structure. This is because nickel acts as a cation, therefore you would be attracting anions, in this case it would be on the proteins that would be binding to the column. Once they bind to the matrix a was buffer of high salts can elute the proteins.

Justify why the predator/prey relationship is a community level interaction.

Answers

It is an interaction between two different species, so the organism, species and population levels are too low. The community level references interactions between members of different species.

Answer:

It is an interaction between two different species, so the organism, species and population levels are too low.

Explanation:

How might it benefit an organism to have the nucleus near the centre of its cells?

Answers

Truly, it benefits since it makes it simpler for the waves to control everything in the cell and for the cell to work all the more appropriate and snappier. 
Just the cells of cutting edge organisms, known as eukaryotes, have a core. For the most part, there is just a single core for every cell, except there are special cases, for example, the cells of ooze molds and the Siphonales gathering of green growth. More straightforward one-celled organisms, similar to the microbes and cyanobacteria, don't have a core.

Answer:

For protection and better control.

Explanation:

First of all, if the nucleus was located in the periphery it would be easier for physical damage to reach it, but also for viruses or so, even with the use of vectors. Then, being in the center makes it equally easier to send signals, orders or RNA to each part of the cell.

In preparing a slide what step ensures that the cells adhere to the slide?

Answers

The step that will ensure that the cells will adhere to the slide is that once it has been placed with the bacteria, it needs to be stained in which dyes are used in making the cells to stay in the slide and for it to be properly be seen and viewed in the microscope. It is best to follow instructions, in order to prevent complications that will ruin the structure inside the slide.

The movement of molecules from a region of higher concentration to areas of lower concentration is called:

Answers

It is called diffusion
Final answer:

Diffusion is the movement of molecules from higher concentration to lower concentration. Osmosis is a specific type of diffusion that refers to the movement of water across membranes. Both diffusion and osmosis are forms of passive transport.

Explanation:

The movement of molecules from a region of higher concentration to areas of lower concentration is called diffusion. In the body, water moves through semi-permeable membranes of cells and from one compartment of the body to another by a process called osmosis. Diffusion and osmosis are forms of passive transport that move materials of small molecular weight across membranes.

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True or false? The structures inside a cell are suspended in a system of microscopic fibers called cytoplasm

Answers

False because I don't know why

False, cells are structured by the cytoskeleton, not the cytoplasm. Cytoplasm contains the organelles and cytoskeleton, which includes microfilaments and microtubules. The cytoplasm isn't green, and the nucleus doesn't house cytoplasm but nucleoplasm.

True or false? The structures inside a cell are suspended in a system of microscopic fibers called cytoplasm - Thisstatement is false. The structures inside a cell are indeed suspended, but not in the cytoplasm itself. They are suspended in a network of protein fibers within the cytoplasm, known as the cytoskeleton. The cytoplasm is the fluid that fills the cell and contains the organelles, but it is the cytoskeleton that provides structure.

The cytoplasm is not made of cells; rather, it is the gel-like substance within the cell membrane that holds all the cellular components, including the cytoskeleton and organelles, excluding the nucleus. Two types of cytoskeletal structures are microfilaments and microtubules. Microfilaments are also known as actin filaments, which are crucial for cellular movement and structure, while microtubules help maintain cell shape and are involved in intracellular transport.

Regarding the false statements: The cytoplasm is not usually green, this color is typically associated with chlorophyll found in plant cells. Also, the nucleus of a cell is not filled with cytoplasm; instead, it contains a substance called nucleoplasm.

the ________ extends through the hindbrain, midbrain, and forebrain

Answers

central nervous system extends through the hindbrain, midbrain,and forebrain

The structure that is common to hindbrain, midbrain and forebrain is reticular formation.

Further Explanation:

The spinal cord and brain are two major parts of the central nervous system. Nerve cells that are soft and spongy make up the brain. The brain is divided into three major parts:

Hindbrain

Midbrain

Forebrain

In the brain, brain stem, cerebrum, and cerebellum are also present. The link between the brain and spinal cord is made up of the brain stem. In the brain stem, reticular formation is present. It is nothing but a group nuclei present inside the brain stem. They are extending throughout the midbrain, hindbrain, and forebrain. It mainly plays a significant role in arousal and consciousness. The tegmentum of the brain stem contains a complex network of interconnected circuits of neurons, which is associated with the reticular formation.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Central Nervous System

Keywords:  Brain, brain stem, spinal cord, cerebellum, forebrain, hindbrain, midbrain, reticular formation, inside, neurons, nuclei, spongy, soft, nerve cell.

The base triplet is transcribed as a ____________ on a molecule of mrna

Answers

Each one of the DNA base triplet is transcribed as a complementary sequence of three nucleotides , which known as a codon. A codon is a series of three nucleotides. When together, they form a unit of genetic code either in a DNA or RNA molecule.

A cell with a predominance of smooth endoplasmic reticulum is likely specialized to ________.

Answers

The right answer is synthesize large quantities of lipids.

It should be known that there are two types of endoplasmic reticulum: rough (contains ribosomes) and smooth (does not contain ribosomes).

The rough endoplasmic reticulum harvests in its light the proteins synthesized by the ribosomes attached to its surface. The proteins then move inside the light to be eventually transported to the Golgi apparatus, where they will complete their maturation and be distributed to the different compartments of the cell.

The smooth endoplasmic reticulum carries, associated with its membrane, the enzymes necessary for the synthesis of lipids and lipoproteins (molecules associating a protein part and a lipid part). Very reduced in the majority of cells, the smooth endoplasmic reticulum is very extensive in cells specialized in the synthesis of lipids (adipocytes) or in that of lipoproteins (hepatocytes for example).

A cell with a predominance of smooth endoplasmic reticulum is likely specialized to synthesize large quantities of lipids.

The smooth endoplasmic reticulum is part of the endomembrane eukaryotic system.

The smooth endoplasmic reticulum is an organelle composed of a three-dimensional (3D) network of interconnected tubules and cisterns.

This organelle (smooth endoplasmic reticulum) is responsible for the synthesis and storage of lipids such as cholesterol and phospholipids.

In conclusion, a cell with a predominance of smooth endoplasmic reticulum is likely specialized to synthesize large quantities of lipids.

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A patient with a right lower leg fracture will be discharged home with an external fixation device in place. which information will the nurse teach? science forum

Answers

Hi,
The answer to your question is "check the pedal pulses."
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