Answers
Explanation:
If the concentration of molecules outside the cell is very high relative to the internal cell concentration, the rate of diffusion will also be high. If the internal and external concentrations are similar (low concentration gradient) the rate of diffusion will be low.
Related Questions
which African country is famous for chocolate
Answers
Answer:
Ivory Coast
Explanation:
Ivory Coast
Ivory Coast (Côte d'Ivoire) leads the world in production and export of the cocoa beans used in the manufacture of chocolate, as of 2012, supplying
What are the main differences between Archaeabacteria and Bacteria?
Answers
Answer:
Both bacteria and archaea have a cell wall that protects them.
Answer: Both bacteria and archaea have a cell wall that protects them. In the case of bacteria, it is composed of peptidoglycan, whereas in the case of archaea, it is glycoproteins and so on.
The synthesis of organic molecules from water, sunlight, and carbon
dioxide is known as ___
O photosynthesis
O respiration
O development
O homeostasis
Answers
It is often difficult to save individual species
Answers
this is true, but where is the problem? or do i just not see it?
biggest snake of world
Answers
Answer:
The king cobra (Ophiophagus)
Explanation:
I used siri
someone help me? please help mw i really really need it . answering this would be a big help, thankyou
Answers
My question: Does a plant grow better when you mist it with water or pour it?
Hypothesis: The plant grows better if you pour water on it.
Research: According to gardendesign .com watering your plant with a hose is much better, and watering it in early morning/ late evening is better.
Experiment: Over the course of 2 weeks(or however long), I will watch 2 plants grow and see if msiting one plant versus pouring water on the base is better.
Materials:
-2 grass plants
- watering can ( for pouring)
- spray bottle( for misting)
- area on a windowsill where sunlight can enter.
Procedure:
1. First we put the grass plants in separate pots.
2. Water the plants in the same timeframe, such as every 3 days.( at either early morning or late night)
3. Leave them in the suncast window
Doing the experiment:
As I watched the plants, they both grew overtime, but one more than the other.
Data gathered:
One plant turned yellow while the other grew lusher.
Organized data:
week1 week2 week3
plant 1(pour)- green, taller I green, taller I green, taller
plant 2(mist)- green, same height I yellow, shorter I brown, shorter
Analyze data:
The plant with water poured in was lusher because there was more water going to its roots, while the other plant that was misted turned yellow, brown, then died because there was very little water going to its roots.
Conclusion:
My claim was correct, because when we poured water, the plant was healthier, and when we misted it, the plant died.
3. The parts of a simple scientific experiment are the purpose(why you are doing it), the research(to find out more on the topic), the hypothesis(prediction of outcome), the experiment(procedure to see if hypothesis is right), and then the analysis( to see what to change to make hypothesis correct, or see if it was correct)
4. What this experiment was about was a simple investigation to see whether watering a plant by misting or pouring was better. I wanted to see which one would work better to find an effective way to water my plants. What this investigation taught me was that when we water our plants, we need to pour it. I figured this out through research and articles stating how pouring water with a watering can or using a hose in the soil was better than just misting it with a spray bottle, as it was more effective. This outcome came through a mildly long test experiment, which happened over the course of 3 weeks. What I analyzed from that was that if we water a plant through a spray bottle just on the leaves, it really doesn't help the plant, as the roots are the ones that need water, so that they can internally give it to the leaves. That is why I rest my case of how watering plants by pouring is better than misting it.
Take a look at the two boxes below. Each box has the same volume. If each ball has the same mass, which box 1 or 2 would weigh more? Why?
Answers
Answer:
Box 1.
Explanation:
The box 1 have the more mass because there are more number of balls present in the box while on the other hand, box 2 has less number of balls in the box. The volume of box boxes are the same as well as weight of the both boxes before placing of balls in it. Placing of balls changes the weight of both boxes because of the presence of different number of balls in each boxes that increases its weight.
Which of the following items requires an internal
cooking temperature of 165 °F?
a. Pork chops
b. Injected meats
c. Raw Eggs
d. poultry
Answers
D. Poultry
There are three important temperatures to remember when cooking meat or eggs at home: Eggs and all ground meats must be cooked to 160°F; poultry and fowl to 165°F; and fresh meat steaks, chops and roasts to 145°F.
Answer:
D. poultry
Explanation:
what substances are released during celluar resparation? (will mark brainliest)
Answers
Answer:
Carbon Dioxide and Water
Explanation:
Water and carbon dioxide are released as byproducts when you breathe.
Answer:
There are two main substances that are released during the process of celluar respiration. These substances are carbon dioxide and water.
Explanation:
Label the parts of the microscope shown in the picture below using the following terms: coarse adjustment knob, eyepiece (or ocular lens), fine adjustment knob, light condenser and iris diaphragm, objective lenses, stage
Answers
Answer:
A is the eyepiece (or ocular lens), B is the objective lenses, C is the iris diaphragm, D part is refers to light condenser, E is the location of fine adjustment knob and F is the location of coarse adjustment knob.
Explanation:
A is the eyepiece (or ocular lens), B is the objective lenses, C is the iris diaphragm, D part is refers to light condenser, E is the location of fine adjustment knob and F is the location of coarse adjustment knob. All these parts are the important parts of microscope which has a specific function in the microscope. Without one of these parts, we can not see the microbes in the microscope.
Explain the role that gravitation played in the formation of the Moon after the large planetesimal hit
Answers
Answer:
While some of the debris from the collision merged back into Earth, the gravity caused the accretion of much of the debris into a separate ball, forming the Moon.
Forming cell membranes is a
role of
A. testosterone
B. estrogen
C. phospholipids
Answers
Answer:
I think the answer is c because I had this question before and I think I got it right
Answer:
100% sure that it's C
Explanation:
Phospholipids, also known as phosphatides, are a class of lipids whose molecule has a hydrophilic "head" containing a phosphate group, and two hydrophobic "tails" derived from fatty acids, joined by a glycerol molecule.
1. Digestion helps to break down the food into simple, _______ form.
2. Name the process by which absorbed nutrients are utilized by the body?
3. Where does initial digestion of protein take place?
4. Where is the water absorbed from undigested food in the digestive system? 5. Name one animal that lives on liquid food only.
6. The process of taking in food into the human body is called ingestion. (True/False)
7. The alimentary canal stretches from _____ to _____.
8. What is rumen?
9. Which animals are called ruminant?
10.What is holozoic nutrition?
Answers
Answer:
1. Digestion helps to break down the food into simple, soluble form.
2. Name the process by which absorbed nutrients are utilized by the body?
Ans. Assimilation is the process by which absorbed nutrients are utilized by the body.
3. Where does initial digestion of protein take place?
Ans. Mechanical digestion of protein begins in the mouth and continues in the stomach and small intestine. Chemical digestion of protein begins in the stomach and ends in the small intestine. The body recycles amino acids to make more proteins.
4. Where is the water absorbed from undigested food in the digestive system?
Ans. Water from the undigested food is absorbed mainly in the large intestine.
5. Name one animal that lives on liquid food only.
Ans. Mosquito lives on liquid food only. They rely on human blood for their food.
6. The process of taking in food into the human body is called ingestion.
Ans. True.
7. The alimentary canal stretches from mouth to anus.
8. What is rumen?
Ans. Rumen is the largest compartment of the stomach of a ruminant in which cellulose is broken down by the action of symbiotic microorganisms. The primary function of the rumen is as a storage compartment to facilitate microbial (bacterial and protozoal) fermentation of ingesta.
9. Which animals are called ruminant?
Ans. Ruminants include cattle, sheep, goats, buffalo, deer, elk, giraffes and camels. These animals all have a digestive system that is uniquely different from our own. Instead of one compartment to the stomach, they have four. Of the four compartments, the rumen is the largest section and the main digestive centre.
10.What is holozoic nutrition?
Ans. Holozoic nutrition is a method of nutrition that involves the ingestion of some complex organic substances that may be in the solid or the liquid state.
A population of 2,000 birds has an annual per capita birth rate of 14/100, an annual per capita death rate of 9/100, and an emigration rate of 2/100. What was the per capita rate of increase, including emigration, for this year?
14
60
0.03
0.06
Answers
Read the passage “ a river for everyone”, then answer two questions below.
1. Are there any limits on what you can change? For example, it would not be realistic to
remove all of the farms. Is there anything that people cannot compromise on?
2. What else would you need to know to come up with a plan of action? Where could you
get that information?
Answers
LOL I filled this out but I wrote so much I'll get those point— so I'm going to copy and paste since I answered it in the repeated question
This fly has 14 chromosomes in its cells.7 maternal chromosomes and 7 paternal chromosomes.Assume you are a microscopist viewing this fly cells that are undergoing meiosis. Conclude the number of chromosomes/chromatids at the end of meiosis 1 as well at the end of meiosis 2
Answers
Answer:
23 pairs in meiosis 1 and 23 numbers in meiosis 2.
Explanation:
There are diploid number of chromosomes means double number of chromosomes at the end of meiosis 1 while on the other hand, at the end of meiosis 2, there are haploid number of chromosome means half number of chromosomes in each daughter cell. In humans meiosis 1, there are 23 pairs of chromosomes that is diploid in nature but in the end of meiosis 2, there are only 23 chromosomes in each daughter cell which is haploid in nature.
Describe & explain why the effect of temperature as a
limiting factor for photosynthesis is different to the
effects of Co2 and light intensity.
Answers
Answer:
Although the light dependent reactions of photosynthesis are not affected by changes in temperature, the light independent reactions of photosynthesis are dependent on temperature. They are reactions catalysed by enzymes. As the enzymes approach their optimum temperatures the overall rate increases. It approximately doubles for every 10°C increase in temperature. Above the optimum temperature the rate begins to decrease, as enzymes are denatured, until it stops.
Explanation:
At low light intensities, as light intensity increases,the rate of the light-dependent reaction,and therefore photosynthesis generally, increases proportionately (straight line relationship). The more photons of light that fall on a leaf, the greater the number of chlorophyll molecules that are ionised and the more ATP and NADPH are generated. Lightdependent reactions use light energy and so are not affected by changes in temperature.As light intensity is increased further, however, the rate of photosynthesis is eventually limited by some other factor. So the rate plateaus. At very high light intensity, chlorophyll may be damaged and the rate drops steeply (not shown in the graph).Chlorophyll ais used in both photosystems. The wavelength of light is also important. PSI absorbs energy most efficiently at 700 nm and PSII at 680 nm. Light with a higher proportion of energy concentrated in these wavelengths will produce a higher rate of photosynthesis.An increase in the carbon dioxide concentrationincreases the rate at which carbon is incorporated into carbohydrate in the light-independent reaction, and so the rate of photosynthesis generally increases until limited by another factor.As it is normally present in the atmosphere at very low concentrations (about 0.04%), increasing carbon dioxide concentration causes a rapid rise in the rate of photosynthesis, which eventually plateaus when the maximum rate of fixation is reached.
A reptile's body temperature is always the same as that of its surroundings because...
Answers
The probable reason for the increase of carbon dioxide is _____.
more animals
fewer plants
the burial of plants
burning fossil fuels
Answers
After examining the fossil record, scientists have determined that scorpions today are much smaller than their extinct ancestors. For example, Jaekelopterus rhenaniae, a giant scoprtion species that lived 255 million to 460 million years ago was 2.5 meters long. Which of the following conclusions is supported by this information?
A. scorpions living today have increased their numbers since they first appeared
B. scorpions in the fossil record are smaller than their descendants are
C. scorpions have changed as a result of natural selection
D. scorpions do not appear in their original state in the fossil record
Answers
Answer: C. scorpions have changed as a result of natural selection
Explanation:
The text tells us that scorpions today are now smaller than they were in the past. This means that the scorpions have changed since then i.e. they have evolved.
The primary reason for evolution is natural selection which refers to a situation whereby only the organisms that are better adapted in their species survive.
The conclusion that can be drawn from this research therefore is that we have smaller scorpions today because they stood a better chance of survival than the larger ones and so survived whilst the larger ones died out.
How did the evolution of photosynthetic prokaryotes affect the level of oxygen in the atmosphere?
Answers
Answer: effects of the evolution of photosynthesis. Photosynthetic organisms dramatically increased atmospheric oxygen levels between 2 and 2.5 billion years ago. This change created selective pressure favoring organisms that used oxygen to produce energy-containing molecules.
change the wording a little bit.
Explanation:
Which definition is the best for semipermeable membrane?
Answers
"The real answer is It is a barrier with tiny openings that let some, but not all, materials pass through"
Answer:
Semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.
Explanation:
The real answer is It is a barrier with tiny openings that let some, but not all, materials pass through.
i) Describe the function of stomata.
Answers
Answer:
Stomata have two main functions, namely they allow for gas exchange acting as an entryway for carbon dioxide (CO2) and releasing the Oxygen (O2) that we breath. The other main function is regulating water movement through transpiration.
Explanation:
the main fiction of stomata is to open and close the pores in the leaves for an exchange of gases.
it allows the plants to take in carbondioxide and gives out oxygen for photosynthesis.
For the study of a particular drug, Marcus proposes an experiment with a particular population. Approximately 200,000 people in the United States take this drug. He started out with a sample size of 300 people. First, he conducts research on the medical history of the people in his study. He collects the information using reliable sources. He decides to repeat the experiment using a larger sample size.
Answers
The missing part of the question is as follows:
Phrase indicates a limit to the scientific accuracy of the experiment?
Answer:
The correct answer is - a sample size of 300 people.
Explanation:
In the given research Marcus developed a drug that is already 200,000 people taking the drug, and the scientist takes sample size of only 300 people for the experiment.
The sample is very small as compared to the total population who participated in the research. A sample size of 300 people is very small compared to 200,000 people. Such a small sample size will not give the proper idea and any effective result, there would be chances to miss some aspect or effect of the drug to be missed, so, this can be the limiting factor to the experiment.
If a sound gets louder, the .....of its vibrations increases.
options:
amplitude
pitch
waves
Answers
Answer:
I think Amplitude
Explanation:
identify the kind of digestion that takes place in the mouth
Answers
Mechanical digestion takes place in the mouth
Help will mark brainliest #6,7,8
Answers
Answer:
search it up, but 6 is b
Explanation:
Whai is the name of the process that plants use to remove carbon dioxide from the atmosphere?
Answers
The small finches on the Galapagos islands lived on islands with slightly different habitats. How did these varied habitats affect the evolution of the finches on different islands?
Answers
Adaptations - Darwin's Finches. Here are some adaptations of particular finches and the finches as a whole. ... The birds with bigger beaks survived, and the rest adapted by having developed strong and big beaks, or developed beaks that allow them to use tools to reach their food.
Hope it helps...
These varied habitats results in adaptive radiation which is responsible for evolution of the finches on different islands.
What is evolution?"Evolution is change in the heritable characteristics of biological populations over successive generations."What is adaptive radiation?"Adaptive radiation is a process in which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available."The small finches had to change its type of nutrient(eating seeds, small worms, etc.) in order to survive on the varied habitats of island. This results in their evolution.
Hence, adaptive radiation occurs due to varied habitats.
To know more about evolution here
https://brainly.com/question/19431143
#SPJ2
PLEASE SOMEONE HELP MESS
Answers
Answer:
It's B.
Explanation:
uhm, i already went in one? btw, why "mess"? ️ ️