Biology College

The molecules in the image below are able to move across the cell
membrane through channels in the membrane proteins. The cell does not use
any energy to move the molecules down the concentration gradient. What
kind of transport is the cell using?

The Molecules In The Image Below Are Able To Move Across The Cellmembrane Through Channels In The Membrane

Answers

Answer 1

Answer:

A

Explanation:

Related Questions

What is the smallest or most specific level of organization organization you and your neighbors all have in common

Answers

Answer:

The cell

Explanation:

The smallest or most specific level of organization that all living organisms (including myself and my neighbors) have in common is the cell.

This is in accordance with the cell theory which has three basic components, including:

1. The cell is the basic unit of life

2. All living organisms are made up cells

3. Cells arose from pre-exsiting cells.

Other levels of organisation include tissues which are group of cells specialized for a certain function, organs which are group of tissues serving similar function, and systems which are group of organs working together as a unit.

Answer:

Population

Explanation: got it right sis !

Identical twins are produced from the same sperm and egg (which splits after the first mitotic division), whereas fraternal twins are produced from separate sperm and separate egg cells. If two parents, one with brown eyes (a dominant trait) and the other with blue eyes (the recessive trait) produce one twin boy with blue eyes, what is the probability that a fraternal twin will transmit the blue eye allele to his or her offspring

Answers

Answer:

This is 25%

Explanation:

Analysis, Since the dominant brown eyed  parents  produce blue eye child, this shows they are heterozygote dominant

However,this fraternal twin is not genetically identical, due to the blue eye color,(recessive) but the fact remain that they  are the parents.(because he inherited the recessive allele from each of the parent)Therefore the probability is 25%.

This is because he is the only one out of the 4 kids( based on Mendelian fashion) this is  1/4,25%

Fraternal tweens are produced from different maternal and paternal gametes. The blue-eyed tween has 100% probability of transmitting the blue-eyes allele to the offspring, while the brown-eyed tween has 50% probability.

Available data:

Fraternal twins are produced from separate sperm and separate egg cells.Brown eyes ⇒ Dominant traitBlue eyes ⇒ Recessive trait

We will name B to the dominant allele that codes for brown, and b to the recessive allele that codes for blue eyes.

So, the possible genotypes and phenotypes are

Gentoype     Phenotype

BB                  Brown eyes

Bb                  Brown eyes

bb                  Blue eyes    

Solving the problem

The parent with blue eyes must be only bbThe parent with brown eyes must be either BB or Bb

For the twin boy to have blue eyes, he must have received two recessive alleles, one from the mother and one from the father.

So the father is heter0zyg0us for brown eyes, Bb.

Cross:  Bb  x  bb

F1) 1/2 of the progeny is expected to be brown-eyed, Bb

    1/2 of the progeny is expected to be blue-eyed, bb.

So we have two genotypes for the tweens, Bb and bb.

bbThe bb tween has blue eyes and is h0m0zyg0us recessive for the trait. So the probability that this fraternal twin will transmit the blue eye allele to his or her offspring is 100% This tween can only provide recessive alleles to his or her progeny.

BbThe Bb tween has brown eyes and is heter0zyg0us for the trait. So the probability that this fraternal twin will transmit the blue eye allele to his or her offspring is 50% This tween can provide one dominant or one recessive allele to his or her progeny.

So, the blue-eyed tween has 100% probability of transmitting the blue-eyes allele to the offspring. The brown-eyed tween has 50% probability of transmitting the same allele to the descendants.

You will learn more about tweens at

https://brainly.com/question/17180337

https://brainly.com/question/1015321

https://brainly.com/question/986349

what is the answer
pls help do not be rude
answer number 5

thx​ pick one answer

Answers

Answer:

The invisible path the earth takes around the sun is called an orbit. all planets have orbits at varying speeds and some are even elliptical.

hope this helps!!

Which of the following is not a method of heat transfer? Conduction Insulation Radiation Convection

Answers

Answer:

insulation is the correct answer  

The method that is not one of the heat transfer method is insulation.

Heat transfer can be regarded a term in thermal engineering use to describe the generation as well as the use and conversion, exchange of thermal energy that exist  between physical systems. Heat transfer can be done with different mechanismsThese are: conductionconvectionRadiationConvection can be regarded as the flow of heat in fluids, these fluids could be  warmed gas, water.Conduction can be regarded as the movement of heat through objects that are in physical contact, like two metalsRadiation can be regarded as the energy which appears from a  source then  travels through space, this do contain wave-like properties. Insulation can be regarded as setting up a barrier between two objects, usually between  hot and the cold object , so that heat reduction can be achieved.

Therefore, Insulation is not heat transfer mechanism, it i a way to reduce heat loss.

Learn more at:https://brainly.com/question/13433948?referrer=searchResults

Many traditional household appliances, including clothes dryers, use an
excessive amount of electricity. One solution is to replace older appliances
with modern appliances that are more energy-efficient.
Which of the following behaviors could further refine this solution?
OA. Use the energy-efficient appliances instead of more conservative
tactics.
B. Use additional conservation tactics, like sometimes hanging
clothes outside to dry.
OC. Use energy-efficient appliances and traditional appliances at the
same time.
OD. Use the energy-efficient appliances more often than you need to.​

Answers

Answer:

B. Use additional conservation tactics, like sometimes hanging

clothes outside to dry.

Explanation:

Ap3x

Using extra energy-saving techniques, such as occasionally hanging clothes outside to dry them, could improve the solution of replacing outdated equipment with newer, more energy-efficient appliances. So, the correct option is B.

What are energy-saving techniques?

Energy-saving technology, commonly referred to as green technology, is innovation that enhances upon or replaces current systems in order to save energy. Technology of this kind often helps operators save money while reducing the negative effects of human interference with the environment.

Instead of leaving appliances on standby, turn off the power source to conserve the maximum energy. As you leave the house or go to bed, turn off the heater, air conditioner, and other equipment. Turn off the computer and any other devices, including printers and Wi-Fi routers, at night or while we're away.

Using extra energy-saving techniques, such as occasionally hanging clothes outside to dry them, could improve the solution of replacing outdated equipment with newer, more energy-efficient appliances.

Therefore, the correct option is B.

Learn more about Energy, here:

https://brainly.com/question/2409175

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The sum of the Genetic traits in a population is called its

Answers

Answer and Explanation:

The gene pool is the sum of all the alleles in a population. Sometimes, allele frequencies within a population change randomly with no advantage to the population over existing allele frequencies. This phenomenon is called genetic drift.

Answer:

gene  pool

Explanation:

Which of the following hormones is synthesized in hypothalmus and secreted from pitutary? Vasopressi or adrenocorticotropic hormones

Answers

Answer:

Vasopressin

It is synthesized in the hypothalamus and then secreted by the posterior lobe of pituitary gland

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