Explain why the steroid hormone estradiol (MW 272) readily crosses membranes by simple diffusion but the much smaller H requires transport proteins

Answers

Answer 1

Answer:

Estradiol has a higher partition coefficient than H+ ions

Explanation

Estradiol is a non-polar and hydrophobic molecule that has a higher partition coefficient than H+ ions, it means that the cell membrane is more permeable to this molecule because it can dissolve in and diffuse within the hydrophobic phase of the membrane. The movement of polar charged molecules (even small H+ ions) requires the input of energy to be able to dissolve within the lipid bilayer. In consequence, the movement of H+ ions requires proteins capable of transporting these protons through the membrane.


Related Questions

Part of the cell cycle is shown in this simplified model. This part of the cell cycle is best described as the process that-

Answers

Answer:a

Explanation:

Answer:

It's A

Explanation:

Community redevelopment programs are primarily directed towards _______. a. preventing pollution in commercial and residential properties b. improving property values by eliminating blighted buildings c. establishing basic sanitation in urban environments and communities d. cleaning up abandoned, unused, and polluted properties

Answers

Answer:

D

Explanation:

Community redevelopment programs are primarily directed toward cleaning up abandoned, unused, and polluted properties (Option d).

What are community redevelopment programs?

The community redevelopment programs are useful platforms to generate benefits for the whole society.

The community redevelopment programs can be derived from governmental and non-governmental public policies.

These programs are fundamental for reaching the well-being of a community and its citizens.

In conclusion, community redevelopment programs are primarily directed toward cleaning up abandoned, unused, and polluted properties (Option d).

Learn more about community redevelopment programs here:

https://brainly.com/question/23821703

Within a cell, life functions are carried out by which organism structures?
organs
B
tissues
С
organelles
D
cytoplasm

Answers

Answer:

C and D

Explanation: cytoplasm's and organelles

note *  Apologies If I am incorrect

what role does energy play in changing particle motion?​

Answers

Answer:

A rise in temperature increases the kinetic energy and speed of particles; it does not weaken the forces between them. The particles in solids vibrate about fixed positions; even at very low temperatures. Individual particles in liquids and gases have no fixed positions and move chaotically.

Explanation:

Diagram 1 shows the tilt of Earth's axis. Diagram 2 shows how Earth would look if the tilt of the axis were increased. Each diagram shows the same two locations, Location X and Location Y. Sun Y X- um Earth Diagram 1 Sun •Y X- Swi Earth Diagram 2 Which statement BEST predicts the effect of increasing the tilt of Earth's axis in Diagram 2 on the two locations? Location Y will be cooler in winter and Location X will be cooler in summer. Location Y will be warmer in winter and Location X will be cooler in summer, Location Y will be cooler in winter and Location X will be warmer in summer. Location Y will be warmer in winter and Location X will be warmer in summer. PLEASE HELP MEEEEE​

Answers

Answer:

confused

Explanation:

If you have 11 neutrons and 6 protons what is the total mass?

Answers

17 because in order to find the total mass you need to add the neutron and protons together

Fermentation is an example of which of the following pathways?

Answers

Answer:

 

Anaerobic respiration

Explanation:

penn

The movement of matter across a cell membrane against a concentration difference is called active transport , and it requires?

Answers

It requires cellular energy

Which of the following statements is NOT true regarding the nebular hypothesis?

Question 1 options:

A) A large cloud of hydrogen gas and dust begins to collapse under its own gravity.


B) The collapsing cloud begins to spin.


C) The spinning, collapsing cloud expands into a ball.

D) As the material coalesces in the center, it becomes dense, compresses, and heats up.

Answers

A

A large cloud of hydrogen gas and dust begins to collapse under its own gravity.

The incorrect option is "a large cloud of hydrogen gas and dust begins to collapse under its own gravity"

What is the nebular hypothesis?The most widely accepted theory in cosmogony to explain how the Solar System formed and evolved is the nebular hypothesis. It implies that gas and dust orbiting the Sun are what created the Solar System. The nebular theory proposes that a rotating cloud of material called a nebula, composed primarily of light components, flattened into a protoplanetary disk and developed into a solar system made up of a star and circling planets.Immanuel Kant developed the hypothesis.In 1900, Chamberlain and Moultan hypothesized that a wandering star's approach to the sun caused a cigar-shaped extension to separate from the solar surface.

Learn more about the nebular hypothesis here:

https://brainly.com/question/2142916

#SPJ2

Bill once had a blue car that was in the shop more than it was on the road. Since
then he will not even consider owning a blue car. Bill's aversion to blue cars is
an example of:

Answers

Answer:

artificial made

Explanation:

because it is greated by man not God

DNA libraries are useful for identifying and isolating eukaryotic DNA fragments of interest in research. Select the ways in which genomic and cDNA libraries differ.

a. Genomic libraries are difficult to express in prokaryotic cells, which lack a splicing mechanism.
b. cDNA libraries contain only the sequences from genes that are expressed in an organism.
c. cDNA libraries are the DNA fragment collections that are stored and propagated in host cells through cloning.
d. cDNA libraries contain more sequence information than genomic libraries.

Answers

a is correct because for cDNA first we need to have out mRNA sequence and we know that in prokaryotes they dont have mRNA and splicing mechine

The ways in which genomic and cDNA libraries differ is that the Genomic libraries are difficult to express in prokaryotic cells, which lack a splicing mechanism. Thus, the correct option for this question is A.

What do you mean by Genomic libraries?

Genomic libraries may be defined as a group of overlapping segments of genomic DNA that is significantly cloned into a backbone vector, which statistically includes all regions of the genome of an organism efficiently in order to function normally.

On contrary, cDNA libraries may be characterized as the collection of cloned DNA sequences that are complementary to the mRNA and were remarkably extracted from an organism or tissue in order to stimulate its function.

Therefore, genomic libraries are difficult to express in prokaryotic cells, which lack a splicing mechanism is one of the ways in which genomic and cDNA libraries differ.

To learn more about Genomic libraries, refer to the link:

https://brainly.com/question/26266533

#SPJ5

Picture yourself around a campfire. Which of these would be an example
of convection?
A metal rod would not be a good choice for roasting marshmallows because metal transfers
thermal energy.
O As the air around the campfire is heated and becomes less dense, it rises and
moves upward.
A metal rod would not be a good choice for roasting marshmallows because
metal transfers thermal energy.

Answers

Answer:

O As the air around the campfire is heated and becomes less dense, it rises and moves upward.

Explanation:

This is true because, the convection transfer needs the particle of elements to transport the heat from where it is in abundance to where it is in less abundance. Just like a water boiling becoming hot at the point closer to the fire than the top of the pot, so also will the air around campfire transfer heated air from the place closer to the campfire to upwards aware from the fire.

Convection is the flow of air around the campfire when it is heated and the decrease in density as it rises upward in the atmosphere. Thus, the correct option is C.

What is convection of heat?

Convection is the transfer of heat from one place to the other due to the movement of fluids present in it. It is a distinct method of heat transfer in systems. The convective heat transfer involves combined processes of conduction and advection in a system and its surrounding. Convection is the dominant form of heat transfer in liquids and gases.

The thermal radiation in the fire is mostly in the form of infrared waves and visible light. However, the campfire heat transferred via convection shoots straight up in the sky and never reaches to the ground level.

Therefore, the correct option is C.

Learn more about Convection here:

https://brainly.com/question/16635311

#SPJ5

What conclusions can you make
about who might have been at the
scene of Anna's death? Explain.

Answers

What excerpt or movie you are referring to ? Because this isn’t enough information, is it in a novel

(ANSWER NEED RIGHT AWAY!! PLS) A classmate claims that an apple and cupcake, both about the same size, give you the same amount of energy. Do you agree or disagree with this
statement? Explain.

Answers

Answer:

No, just because something is the same size doesn't mean it will have the same amount of energy. One thing can have more positive electrons and make it have more energy than the other.

A student is testing a silver colored rock sample with the lab equipment shown in the
diagram above. The silver colored rock completes the circuit and lights the bulb.
The student concludes the sample could be which of the following?
I. metal
II. metalloid
III. nonmetal

Answers

there’s no diagram :/
We need a diagram... can you find it online so we can search it up?


Which climate zone is hot and receives a lot of precipitation throughout the year?​

Answers

Answer: Tropical

Explanation:

1. The increase in the reproductive success of a species will have the greatest impact on
the-

Answers

Answer:

The increase in the reproductive success of a species will have the greatest impact on the prey of the animal.

Explanation:

The prey's population will decrease because there are more animals needing it to survive.

which of the following are Vertebrates?
Worms

Answers

Answer:

a vertebrate is an animal with spinal cord surrounded by cartilage or bone

Explanation:

fishes,whales,sharks

amphibians

reptiles

birds

mammals

In the figure, X is pointing to a building block of DNA. Which of these correctly labels X?

A. Amino acid
B. Nucleotide
C. Polysaccharide
D. Pyrimidine

Answers

Answer:

Nucleotide

Explanation:

I took the test and it was right.

The name of the building block of DNA that is depicted by X in the attached image is nucleotides.

DNA:

DNA or deoxyribonucleic acid is a biological molecule that stores genetic information in living cells.

DNA molecule is a biological polymer and hence, is made up of monomers called nucleotides. Nucleotide is the subunit of a DNA molecule.

Nucleotide is made up of three components namely: nitrogenous bases, phosphate group and pentose sugar.

In the image attached to this question, X is used to represent the building block of DNA, hence, it is a nucleotide.

Learn more at: https://brainly.com/question/22499464?referrer=searchResults

The two parts of cell theory are 1. All living things are made of cells and 2. Cells cannot reproduce? (true or false). if true why?

Answers

Answer:

1. true

2.false

Explanation:

1.because of the gravity of the earth

in order to release energy through aerobic processes like cellular respiration, cells need to have access to which of the following gasses?
A
Nitrogen
B
Water vapor
C
Carbon Dioxide
D
Oxygen

Answers

It’s oxygen Hhhhhhhgg

Except for a pairing of sex chromosomes, homologous
chromosomes_______.

a. carry the same genes
b. are the same shape
c. are the same length
d. all of the above​

Answers

Answer:

Homologous chromosomes carry the same genes and have the same shape and length, so all the choices are correct.

Explanation:

The homologous chromosomes are so called because each of them has the same DNA molecule, giving rise to the same genes, distributed in the same location within the chromosome.

Somatic cells are diploid, which means that the genetic information that determines specific characteristics is distributed in pairs. Each of the chromosomes that form a pair comes from the father and mother, and the members of a pair are known as homologous chromosomes.

The homologous chromosomes are characterized by having the same shape and size, and contain the same genes, although the information contained in them —the alleles— may be different. Hence the possibility that one allele is dominant and another recessive on two chromosomes of a pair.

Which of the following is a property of matter in the liquid
state?

Answers

Answer:

the answer is- the element

Explanation:

reason for my answer is because only two element are liquid at standard conditions for temperature and pressure: mercury and bromine.

what are catabolic reactions

Answers

Answer:

which complex molecules are broken down to simpler components, are classified as catabolic reactions. Taken as a group of reactions within a cell or even an organism, they can be referred to as the cell's or organism's anabolism or catabolism.

Explanation:

Catabolic reactions are a type of metabolic reaction that take place within a cell. Larger molecules are separated to form smaller molecules, as in the case of respiration where glucose is broken down to form carbon dioxide and water. Often they are hydrolysis reactions in which water molecules are used to break bonds.

15
Direction. Encircle the letter of the correct answer.
1. Which of the following best explains convection current in the mantle?
a. The driving force due to heat from mantle that facilitates the slow movement of
lithospheric plates.
b. The magnetic force at the poles that moves the lithospheric plates away from
one another.
C. The gravitational force of the moon that pulled the lithospheric plates away from
one another.
d. The force of the atmosphere that pushed the lithospheric plates.​

Answers

Answer:

the answer is letter A

Explanation:

thats my answer

-4. Which of the following correctly traces the path of air after it is inhaled?
A. epiglottis, trachea, bronchioles, alveoli
B. bronchioles, alveoli, epiglottis, trachea
C. epiglottis, bronchioles, alveoli, trachea
D. alveoli, epiglottis, trachea, bronchioles

Answers

The answer is c. Epiglottis, bro chilies, alveoli, trachea

You are curious about the effects of different watering schedules on your favorite fruit, strawberries. You set up plants, all the same age and size, and plant them in identical pots with the same potting soil. You water them once a week, every day, or every other day. Every day, you check the plants for strawberries, and record the number and size of the berries produced by each plant.

Answers

The complete question is as follows:

What is the independent variable in this strawberry experiment?

O the type of pots

O the number and weight of strawberries produced

the potting soil

O the water schedule

O size and age of plants

Answer:

The correct answer is - the watering schedule.

Explanation:

Independent variable is the variable or the factor which is changed or manipulated during a study or experiment to find the effect on the dependent variable.

The variable that is manipulated in this experiment is the watering schedule and the aim of the experiment is also finding the role of the effect of the watering schedule on fruit production. In this study, the watering schedule is manipulated for different pots of plants to see the effect on the production of fruit.

Based on calculations, students should have 10.4 grams of powder after conducting an experiment. The students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams.

Which words best describe this data?

accurate and precise
falsified and inaccurate
invalid and redundant
redundant and falsified

Answers

Answer:

accurate and precise

Explanation:

Given:

      True value  = 10.4 grams

   Measured values = 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams.

Solution:

To a very reasonable extent, the values measured given are accurate and precise.

Accuracy is the nearness of the measured value to the true value. We can see that the measured value would have a mean of 10.36grams which is very close to the true value on approximation.

Precision is the ability to repeat a given set of values from a measurement. The measured values are quite precise.  

what happens to the temperature of water as time elapses?​

Answers

I saw someone else ask the same question hope this answer helps!!

With respect to proteins, the quaternary structure refers to the ​

Answers

Answer:

refers to the number and arrangement of protein subunits

Other Questions
plz HELP! ASAP for both 9 and 10 plz 4. Which of the following explains the major effect of migration flow to Southwest Asia from other regions inAsia?Students migrate to attend school in the region, increasing the technology labor force.Women and children migrate to reunify with male relatives living in the region, forming permanent urbansettlementsPeople with chronic illnesses travel as medical tourists to obtain medical care, growing the health careindustryGuest workers migrate to the region for jobs in construction and the oil fields, increasing the volume ofexports from the regionOlder adults migrate to areas with warmer climates after retiring from their jobs, growing the serviceindustryLoo Substitute the given value for x into each equation to determine the value of y.1. y = 3x + 6; x = -42.3.2 - 8y = 12; x = 43. y = -43; x = -2 what is the point slope form of a line that has a slope of 3 and passes through point (1,4)? A student compared some chemical and physical properties of three pure substances. Herdata are recorded in the chart above. What is a logical conclusion the student can drawabout hare substances?Pure substances have the same chemical and physical properties.Pure substances have the same chemical properties, but different physical properties.O Pure substances have the different chemical properties, but the same physical properties.O Pure substances have different chemical and physical properties. Choose the scenario that could be represented by A. Five bottles of water are shared equally by two teammates.B. Two people share five oranges equally.C. Five granola bars are divided equally between two friends.D. Two yards of fabric are used to make five place mats. Based on calculations, students should have 10.4 grams of powder after conducting an experiment. The students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams.Which words best describe this data?accurate and precisefalsified and inaccurateinvalid and redundantredundant and falsified The distance between two towns is 120 kilometers. There are approximately 8 kilometers in 5 miles.Which measurement is closest to the number of miles between these two towns? I would like to inform the staff that there was a potential harasser the needs to be addressed. He was continually asking a minor to go on google hang out even after she expressed that she was uncomfortable. He was reported but all questions he's asked were not academic and was asking to "talk" to others. I understand that there are people here that need attention but this is not the place to ask for that. -Thanks I need suggestions for an American historical event and a historical event from a Spanish-speaking country that I can compare and contrast. What would happen if the mitochondria were missing from a cell? The equation of y-axis is of the form The table shows some values of f(x) and g(x) for different values of x: x f(x) = 15x 12 g(x) = 3x 2 0.11 1 27 0.33 0 12 1 2 Complete the chart and determine the solution of the equation f(x) = g(x). why is the SI measurement system so important to the scientific community enter the answer in the space provided Where would the net force acting on a charge placed in a system of like charges be zero? A student is testing a silver colored rock sample with the lab equipment shown in thediagram above. The silver colored rock completes the circuit and lights the bulb.The student concludes the sample could be which of the following?I. metalII. metalloidIII. nonmetal Match the following items.1. Lord Baltimore 2. Pilgrims 3. James Oglethorpe 4. Thomas Dale 5. William Bradford 6. Sir Walter Raleigh 7. Thomas Hoker 8. De Bienville 9. John Rolfe 10. Squanto and Samoset founded New Orleans governor of Jamestown, gave land to the menbegan the colony of Georgia led colonists to Connecticut, founded Hartford successfully planted and cured tobacco began the colony of Maryland for Catholics Native Americans who helped the settlers at Plymouth leader of the Plymouth colony Separatists who founded the Plymouth colony planned and supported the Roanoke Island settlement Pick the correct response to complete the statement or questions.Voy _____ centro comercial.Group of answer choicesa laa losala las A snail travels 10 cm and 4 minutes at this rate how long will it take for the snail to travel 24 cm? (ANSWER NEED RIGHT AWAY!! PLS) A classmate claims that an apple and cupcake, both about the same size, give you the same amount of energy. Do you agree or disagree with thisstatement? Explain.