Which of the following cell membranes is the most fluid? A. Membrane A, because it is composed of saturated fatty acids that have one or more cis bonds that form stable aggregations B. Membrane A, because it is composed of saturated fatty acids that lack weak hydrogen bonds that continually break and reform to permit macromolecule movement C. Membrane B, because is it composed of unsaturated fatty acids that form weak covalent bonds at the site of their cis bonds, which permit easy movement D. Membrane B, because it is composed of unsaturated fatty acids that have one or more bends, which prevent tight packing

Answer:

Precipitation

Explanation:

Precipitation refers to the falling of the condensed form of water vapor as a result of gravity. The given excerpt presents the process of precipitation of Nitrogen along with the water vapor. The nitrogen gets mixed along with the water vapor and returns to the soil. This process of returning after passing through the process of condensation is termed to be precipitation.

Answer:

a. Water, urea, mineral salts and pigments

Explanation:

The composition of urea of a normal healthy human consist of Water, urea, mineral salts and pigments. The water which is present in excess amount in our body will be removed by the body. Our body need salts in low amount which is taken from the food while the excess amount of salts and some pigments in the foods are also removed through the process of excretion and added into the urine. Due to these pigments, the color of urine is yellowish.

Answer:

C. 1:4 children will be albino.

Explanation:

Hope it helps.

Answer:

I believe it is at high latitudes

Explanation:

I say this because many glaciers are found in Greenland and Antarctica which are both located in higher latitudes

Glaciers are found at HIGH latitudes (Option D).

Latitude refers to the geographic coordinates which are used to indicate specific north-south positions on the Earth's planet.

Low latitudes are geographic coordinates found between the 0 degrees (Equator) and 30 degrees north-south, whereas high latitudes are found between 30 degrees and 90 degrees north-south positions.

At low latitudes, the energy from the sun is able to melt the polar ice.

Thus, glaciers are found at high latitudes because the highest latitudes get a minor amount of energy from the sun compared to low latitudes.

In conclusion, glaciers are found at HIGH latitudes (Option D).

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Answer:

B. The dog would not have any energy left for activity

Explanation:

A dog paddles across a lake, and if the hydrogen ion pumps in its mitochondria stopped functioning, then the dog would not have any energy left for activity, which is present in option B.

When a dog paddles in a lake, it requires energy, and the mitochondria are considered the powerhouse of the cell as they produce ATP by creating the hydrogen ion gradient across the inner cell membrane of the mitochondria. If the hydrogen ion pump fails, ATP and energy are not produced, and the dog is unable to paddle in the lake. The energy is created due to the gradient, and later, the hydrogen ions enter the matrix through the ATP synthase.

Hence, A dog paddles across a lake, and if the hydrogen ion pumps in its mitochondria stopped functioning, then the dog would not have any energy left for activity, which is present in option B.

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Answer: Macrophage

Explanation: Macrophage is the first line of immune defense against invading pathogens like virus and bacteria.Macrophages kill their prey with acids.

Answer:

Pluto and comets

Explanation:

The two objects in space formed from the huge disk of ice and debris beyond the outer planets are Comets and Pluto.

A Comets is made of dusty ice and they are known to orbit the sun. Comets are also known to contain gases such as carbon dioxide, water, methane and ammonia. Pluto is the farthest planet away from the sun. It also contains ice and some amount of dust which validates the chosen option.

Basedon astronomical findings, the two objects in space formed from the huge disk of ice and debris beyond the outer planets are Comets and Pluto.

Comets are objects found in space which are composed of dust and ice.

Comets are known to orbit around the sun.

Comets are composed of gases such as carbon dioxide, water, methane and ammonia.

Pluto which once was classified a planet is known to be farthest planet from the sun.

Pluto is composed of ice and dust particles.

Therefore, the two objects in space formed from the huge disk of ice and debris beyond the outer planets are Comets and Pluto.

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Answer:

Compounds of carbon. Compounds of carbon are defined as chemical substances containing carbon. More compounds of carbon exist than any other chemical element except for hydrogen. ... An important carbon property is catenation as the ability to form long carbon chains and rings.

Explanation:

Answer:

circle

Explanation:

           Cells             Functions

Muscle cells :  Help move the skeleton; help the heart beat and pump blood

Neurons :        conduct electrical impulses; allow body to react to stimuli

Epithelial cells : Regulate exchange of chemicals, secrete various substances

Blood cells :      oxygen throughout the body,  protect against pathogens

The cells in the human body have specialized functions and some of the specialized function of some of the specialized cells present in the human body are as listed above.

The muscle cells helps with the mobility of the body and also allows the heart to beat successfully while the Neurons of the nervous system transmits electrical impulses to the brain for proper reaction.

Hence we can conclude that the specialized cells and their functions are as listed above.

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Answer:

smelling rotten eggs - covering your nose

touching a hot dish - pulling your hand away

jumping into a cold pool - shivering

Explanation:

A stimulus generally refers to a detectable change in the environment of an organism. These changes could be physical or chemical and could be in the internal or external environment of organisms.

Organisms react to changes in their internal or external environment by responding appropriately. Hence perceiving the smell of rotten egg, feeling the hotness of a dish by touching it, and feeling cold immediately one jumps into a cold pool are all examples of stimuli and their corresponding responses would be covering one's nose, pulling the hand away, and shivering of the body in order to counter the cold.

In other words:

smelling rotten eggs - covering your nose

touching a hot dish - pulling your hand away

jumping into a cold pool - shivering

Answer:

allows the behavior of microtubules called dynamic instability.

Explanation:

GTP help to stabilize the tip of the microtubule, thereby allowing more monomers to be added.

The hydrolyses of GTP to GDP carried out in the tubulin molecules allows the behavior of microtubules called dynamic instability.GTP hydrolysis changes the conformation of the tubulin molecules and cause the dynamic behavior of microtubules because it allows the cell to rapidly reorganize the cytoskeleton when necessary in which individual microtubules alternate between cycles of growth and shrinkage.

The age of the universe can be calculated with the Patterns of background radiation.

Patterns of background radiation is the information that helps the astronomers in order to calculate the age of the universe. Astronomers estimate the age of the universe in many ways i.e.

Patterns of background radiation, looking for the oldest stars and measuring the rate of expansion of the universe. Patterns of background radiation helps to calculate the age of the universe so we can say that patterns of background radiation is used by the astronomers to calculate the age of universe.

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One piece of information from the options listed that can be used to calculate the age of the universe is : Patterns of background radiation( D )

some of the ways astronomers can use to determine the age of the universe or the age of any planet is by studying the oldest piece found in the universe or planet. like studying the oldest stars.

The universe is believed to have been formed from the Big Bang as explained in the Big bang theory therefore looking for patterns of background radiation from naturally occurring radioactive materials is one piece of information that astronomer needs to determine the age of the universe.  while

The age of rocks on earth can only be used to determine the age of the earth and not the universe.

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The answer you are looking for is B.If fertilized by a sperm cell that contains a Y chromosome the individual will suffer from Klinefelter syndrome. If fertilized by a sperm cell that contains an X chromosome the individual will suffer from triplo X syndrome.Both heterosomal aneuploidies.

The following choice would be a sex chromosome aneuploidy in a human is that a sperm has one X chromosome. Option A is correct.

Sex chromosome aneuploidy is a condition in which a person has an abnormal number of sex chromosomes. The normal number of sex chromosomes in a human is 46, with 23 chromosomes in each sex cell. Females have two X chromosomes in their sex cells, while males have one X chromosome and one Y chromosome in their sex cells.

A sperm with one X chromosome is an example of a sex chromosome aneuploidy because it has one fewer X chromosome than the normal number. This condition is called Turner syndrome, and it is characterized by short stature, underdeveloped ovaries, and other physical abnormalities.

The other answer choices are not examples of sex chromosome aneuploidy because they do not involve an abnormal number of sex chromosomes. Option A is correct.

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Answer: all of the answers should be correct

Explanation:

- there is mostly oxygen in the atmosphere although there are many other types f gasses such as methane and carbon dioxide

- the water cycle requires the atmosphere as a part therefore recycling water

- the layer protects us from very harmful uv rays that can cause cancer to the skin

- the rest are self explanatory

Answer:

1 False. It is made mostly of Nitrogen

2 True  It does recycle water

3 True.  It does protect the earth from harmful radiation

4 True. It does reduce the temperature extremes between day and night

5 True. It recycles Carbon dioxide and oxygen

Explanation:

I had this on my quiz

For number 2: It is a part of recycling water, so if this is wrong then oof

WARNING: I haven't finished my quiz so ill let you know when im done/ and what the results are:)

Answer:

Natural selection leads to adaptation, that is, to a population dominated by organisms that are anatomically, behaviorally, and physiologically well suited to survive and reproduce in a specific environment. ... Species become extinct because they can no longer survive and reproduce in their altered environment.

Explanation:

Answer:Natural selection leads to extinction. Variation of the genome that do not have the information required to survive in an environment are eliminated due to natural selection. The surviving genomes already had the information required to survive or adapt to the environment.

Natural selection does not create information necessary for the adaptation of a population. The information must already exist for adaptation to occur. Natural selection will change the composition of a population by eliminating the poorly adapted.

Examples are the peppered moth of England. There were two varieties the Melanic or dark and the predominate white. When the industrial revolution and burning of coal changed the environment, the Melanic or dark variation was better adapted. The population changed to being predominately melanic. When the pollution caused by the Industrial revolution was brought under control the population reverted back to the predominately white variety. Natural selection only changed the population. Natural selection did not create the adaptation it already existed.

Explanation:

Answer:

The correct option is Genetic drift greatly affects small populations, but large populations can recover.

Explanation:

Genetic drift is an evolutionary mechanism in which the allelic frequencies in a population change through many generations. Its effects are harder in a small-sized population.  

Genetic drift results in some alleles loss, even those that are beneficial for the population, and the fixation of some other alleles by an increase in their frequencies. The final consequence is to randomly attach one of the alleles.  

Genetic drift has important effects on a population when this last one reduces its size dramatically because of a disaster -bottleneck effect- or because of a population split -founder effect-.

In the exposed example, the hurricane caused a disaster in both populations, reducing the number of individuals on the island and in the mainland. Henry saw a decrease in genetic variation in the island species, but not in the mainland species. This could be because the island population was smaller than the mainland population, so it was more affected by the disaster. The loss of some alleles in the population caused a decrease in genetic variation in the island population.

Answer:

The answer is B.

Explanation:

The bottom two answers don't make sense and the first one is unrelated.

Answer:

Answer:

Explanation: FERTILIZER :

1) It may be artificial or natural substance.

2)These are chemicals that are added to the soil to increase its fertility and productivity.

3) They are costly

MANURE:

1) It is a natural substance

2) These are obtained by dead and decaying plants and animals.

Prepared in factories.

3) They are less costive then Fertilizer.

Answer:

Granulosa cells                          

Explanation:

Foliculogenesis is a dynamic and complex process through which the follicle goes through many stages of development in a short period (approximately 60 days in humans and some chimpanzees).

The stages classification is based on morphological changes such as follicular size or diameter, the number of follicular cell layers, etcetera. These classifications might vary among authors but could be denominated as:

Through each stage, there are certain modifications in the oocyte, follicular cells, and connective tissue. As the oocyte grows, the follicular cells might reach a size twice or three times bigger than the ones of the primordial follicles. Their shape also changes and they adopt an aspect of stratified epithelium. Their cytoplasm gets a granulous aspect, after what these cells receive the name of granulous cells. The De Graaf follicle characterizes for having a space named follicular antro that displaces the oocyte to one of the sides.    

The oocyte at this point gets surrounded by zona pellucida and corona radiata .    

The follicular antro (The highlighted structure) separates the oocyte from the externally located granulosa cells or follicular cells.    

Answer:

second)some of the energy disperses as heat

Explanation:

This  second law of thermodynamics  states that in the course of conversion  of energy from  one form  to another in an organisms,this can not be 100% efficient ( there is constant increase in entropy of the systems in the organism)as some of  the  energy is dissipated as heat in the course of conversion.

Thus in  a food chain as energy is been converted from one trophic level( primary consumer) to another( secondary consumer) these organism makes use of the energy to do biologic work.Therefore as this is passed to other organism in the tropic levels not all the  initial energy will be available ,as some has been lost during biology work,respiration , excretion ,movements and locomotion. in the subsequent organisms.

Thus the entropy of the organisms involved increases as energy is been transmitted from one trophic level to another which leads to heat dispassion.

Answer:

The answer is B

Answer:

C) Faults form in the lithosphere.

Explanation:

Faults form in lithosphere is part of transform boundaries because the plates simply slide past each other without causing any change to the lithosphere (i.e it is neither created nor destroyed) which is why transform boundaries are also sometimes referenced when we speak about phenomena related to when plates slide in opposite directions.

Answer: c. Faults form in the lithosphere.

Explanation:

Explanation:

I would use a  digital weighing scale to perform the operation

the following steps should be considered.

1. Turn ON the digital scale

2. Zero the scale(this eliminate any previous measurements or default readings)

3. Place the dish on the scale and note the initial  readings

4. Place the sample of NaCl to be measured and note the final reading

5. Subtract the initial reading from the final reading

 The final reading is the amount of NaCl

Answer:

1. Genetic Makeup

Explanation:

A genotype is how an individual is made up of. It's our collection of genes and our information is encoded in those genes.

Answer:

Paramacia use trichocysts for defense.

Answer:

The correct option is;

Land and oceans

Explanation:

Divergent boundaries otherwise known as a constructive boundary is a feature that is liner in shape and occur between the spreading centers of two separating tectonic plates where also magma rising from the mantle forms a new crust

Rifts are formed in continents (land)by divergent boundaries which enlarge into rift valleys. Active divergent boundaries can be located in mid-ocean ridge tectonic plate and volcanic islands are formed by divergent boundaries.

Answer:A

Explanation:

Answer:

D

Explanation:

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Answer:

The purpose of technology is solving problems.The entire process of problem solving involves gathering and analysing data.

Explanation:

I hope this will help you:)

Explanation:

Igneous rock is formed through the cooling and solidification of magma or lava.

Answer:Igneous rock is which is also called magmatic rock is the rock formed when hot,molten rocks crystallizes and solidifies.

Explanation:

Answer:

Explanation:

Current procedural terminology(CPT) are medical codes used for medical procedures, billing and payment. The code is formulated by America doctors and its serves as guide for treatment.

Diagnosis code for treatment of Retina is 67113, H33.031, W21.03XA

Procedures

The first is to check of CPT codes for repair of eye with Repair/ Retina/ Detachment using Vitrectomy and the code 67113 for rectina repair will be referred to.

Code 67113 is used for repair of damage to retina.

Another index is checks called the ICD-10-CM using Detachment/retina/with retinal/break/giant and code H33.031 will be referred to where 1 indicate right eye as place of injury.

The last code is ICD-10-CM and it is used to locate external Causes of Injuries using Struck (accidentally) by/ball (hit) (thrown)/baseball. Code W21.03 will be referred to as the guide for procedures.