BIOLOGY HIGH SCHOOL

Pumps move substances ____________ a concentration gradient, a process that requires energy. Channels instead provide the means to move a substance ____________ a concentration gradient. Neurons contain the following major types of channels: • Channels that are always open, allowing continuous diffusion of a specific ion from a region of ____________ concentration to a region of ____________ concentration are leak channels. • Channels that are normally closed that open in response to the binding of a ____________ are chemically gated channels. When open, they allow a specific ion to ____________ across the plasma membrane. • Channels that are normally closed, but open in response to changes in ____________ across the plasma membrane are voltage-gated channels. When open, they allow a specific ion to diffuse across the membrane.

Answers

Answer 1
Answer:

The answers to the blank spaces are: against, with, higher, lower, ligand, flow, membrane potential. All answers stated respectively .

What is concentration gradient

The difference between two areas' concentrations of a material is referred to as a concentration gradient. It is the difference in concentration over a certain distance, usually between two areas of different concentrations. It could be a molecule, an ion, or another type of chemical compound.

Traveling "against" the concentration gradient entails traveling from a region of higher concentration to a region of lower concentration, while moving "with" the concentration gradient entails doing the opposite.

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Answer 2
Answer: against, down, high, low, ATP, diffuse, charges

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When an object is burning, two atoms of oxygen (in the air) combine with one atom of carbon (from thesubstance burning). This forms carbon dioxide gas. Explain how the law of conservation of matter applies to

this reaction.

2. A piece of wood is burned, and a small amount of ashes are formed. Explain why the original piece of wood

and the resulting ashes will not weigh the same.

Answers

1. The law of conservation of mass applies to this reaction because when you look at its balanced chemical equation, the same amount or ratio of elements can be found:

C + O2 --> CO2

This shows that the product will have the same ratio of reactants.

2. The original piece of wood and resulting ashes do not weight the same because the combustible parts of the wood were burned and converted to gases. This means that the missing mass is equal to the gases produced. The remaining ashes are the incombustible parts of the wood.

Which of the following describes condensation? *A. Water turns into steam or vapor and rises into the air.
B. Water in the air cools down and forms droplets.
C. Water in clouds falls down to Earth's surface.
D. Water that falls to Earth's surface is absorbed into the ground.

Answers

Water in the air cools down and forms droplets.  The process is called as condensation. The correct answer is option B.  

What is the  process in which evaporation and condensation both goes on ?

It is the water cycle in which evaporation along with the condensation both goes on.

Condensation is the process by which the water that is present in the form of vapors in air gets cooled down and the latter changes into the water drops as they fall on the surface. For example when we see a pot in that on the heating the water that is  evaporated falls on the surface if placed a lid.

Basically it is the change in the state where the gaseous state gets changed into the liquid state. It is crucial to the atmosphere as it is responsible for the formation of clouds.

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I do believe it is B
because A is evaporation
C is rain
D is infiltration.

What is syntax?A. the use of rambling, private thoughts
B. the arrangement of words in a sentence
C. the point of view from which a story is narrated
D. language that is not intended to be taken literally

Answers

Answer: B. the arrangement of words in a sentence.

Syntax is the set of rules, principles and processes that needs to be followed so as to arrange words in a grammatically correct order to develop sentences that exhibit appropriate meaning. The rules of syntax are followed in all languages.

Syntax is also collectively known the arrangement of words in a sentence. The correct answer to your questino is B. For that reason it isn't possible for any other answer in this case to be correct because B actually denotes a rather formal way of how you could talk about syntax. 

Fertilization occurs when two ______ fuse to make one cell. chromosomes gametes organelles zygotes

Answers

When TWO FERTILIZE CELLS fuse together and make as one cell. It would undergo to many process and multiplication of cell until it would produce an multi cellular organism that could also produce a fertilize cells and be use for another fertilization

Answer:

gametes

Explanation:

What part of the bacterium allows it to recognize different substances in the outside environment?

Answers

It is the cell membrane

Which of the following terms refers to how genetic traits are expressed? A. Display
B. Genotype
C. Phenotype
D. Dominance

Answers

The correct answer is Phenotype - C.

A phenotype is the expression of our genes that is also shaped by our environment. 
While we surely are predisposed to certain states due to our genetics, we are at the same time co-determined by our environment and their interaction. It is very hard to take these two factors apart. However, the correct answer indeed is C in this case. 
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