Why is passive transport called passive transport?
Answer:
Facilitated diffusion is sometimes called passive transport because it requires no external source of energy. d-Glucose simply moves down its concentration gradient.
Answer:
its called passive transport because it requires no external source of energy, most forms of transport require more energy which comes from foods or the sun
how do you think plant cells differ from animal cells? (Hint: what can plants do that animals cannot?
Which tool is generally used to compare the masses of objects? *
1 point
A meter stick
A two-pan balance
A hot plate
A graduated cylinder
Answer:
A two pane balancer that one
What is the function of the cell membrane?
Answer:
It acts as a protective layer just like the cell wall but the cell membrane isn't as stong as the wall. Also the membrane controls what enters and leaves the cell.
Explanation:
Hope this helps!
A few mold spores land on the skin but do not survive due to the lack of moisture and the presence of oxygen. These spores have been prevented from harming the body by which type of barrier?
biological
chemical
physical
mechanical
Answer:
Physical
Explanation:
The skin is a physical barrier.
Mechanical barriers are made by mucous membranes
These mold spores have been prevented from harming the body by a physical barrier. Thus, the correct option for this question is C.
What are physical barriers?Physical barriers may be defined as those barriers that prevent pathogens from reaching specific potential sites of infection. Examples of physical barriers include skin, mucous membranes, and endothelia.
The living of mold spores on the skin illustrates the physical barrier. The skin is the first line of defense.
It protects the entry of any microbes to the site of infection. It gives a similar type of response to all types of microbes as it is a part of innate immunity.
Therefore, these mold spores have been prevented from harming the body by a physical barrier. Thus, the correct option for this question is C.
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Zack wants to determine if the amount of time spent on social media has an
effect on anxiety levels. What is the DV? (anxiety or time on social media)
Some transport proteins act like tunnels or channels, while others are bound to the cell membrane ____ in order for molecules to diffuse through them.
A. Using energy
B. Changing shape
C. Providing a corridor
D. Changing size
Answer:
I think c ............
?????? Answer it plz
How is the amount of sugar(molasses) related to the rate of cellular respiration
Answer:
what college are you you going
I need help asap I will give brainlist
Answer:Asspen popular
Explanation:
Answer:
Aspen Poplar
Explanation:
It would be consumed less; therefore, have more of it in the population.
imagine that a plant cell has a damaged large central vacuole that is not functioning. which statement best describes how damage will affect the cells ability to function in photosynthesis
A. The cell will no longer allow water molecules into the cell and the mitochondria will lack raw materials
B. The cell will no longer be able to maintain tugor pressure and the chloroplast will lack raw materials
C. The cell will no longer be able to perform photosynthesis and the mitochondria will lack raw materials
D. The cell will no longer be able to store water and maintain tugor pressure, and the chloroplast will lack raw materials
Answer:
The correct answer is D
Explanation:
The primary function of the large central vacuole in a plant cell is to maintain turgor pressure against the cell wall of the plant. This vacuole also perform other functions such as storage (water and other nutrients) and waste disposal. When this vacuole is damaged in plant cells, the cells may no longer be able maintain turgor pressure and store materials (water inclusive). Also, If the cell cannot store raw materials via the large central vacuole, the chloroplast will lack the raw materials required for photosynthesis.
Answer:D
Explanation:
Which of these assists in the formation of the gyrations?
A. high and low tide fluctuations
B. migration of marine life
C. global wind patterns
D. changes in density and temperature
Answer:
i think A
Explanation:
PLEASE HELP When de Vaca told of his discoveries, what did the Spaniards think he said?
a.
They understood that there was no wealth to be found.
b.
They understood that hunters and gatherers had no interest in wealth.
c.
They understood that the French had already taken the gold.
d.
They understood there were large cities that traded in gems and gold.
Please select the best answer from the choices provided
A
B
C
D
Answer:B
Explanation:
Answer:
D.
They understood there were large cities that traded in gems and gold.
Explanation:
It’s right
PLEASE HELP!! BIO!
Using the information in the table below, determine the amino acid sequence that is coded for by the mRNA sequence: AUG -UCU-GAU-UGG-UAC
Situation A: Using the information in the table, determine the first four amino acids coded for if a mutation occurs in the DNA sequence from part (a) which changes the sixth base (read left to right) to C making the new DNA sequence TAC-AGC-CTA-ACC-ATG
What type of mutation occurred in the previous question where one base was changed ?
Answer:
a) Met - Ser - Asp - Trp - Tyr
b) Met - Ser - Asp - Trp
Neutral mutation (which is caused by a type of single gene mutation called a substitution mutation)
Explanation:
After the substitution of A to C, the amino acid codded for stays the same so this is known as a neutral mutation.
Solomat male animalik arane organisms) that feeds on alle an experiment scientists set up the containers with equally sized
anderen quantities of food to each population for several days. The graph shows the average daily growth rate for each of the five populations
EFFECTS OF FOOD QUANTITY ON
POPULATION GROWTH RATE
05
Population
Growth Rate
(percent per day
0.8 1.6
Food Quantity mo
Asociation that we provide 4 mg offee will be larger than the population provided 8 mg of food Based on the data in the graph drag the appropriate text into the
heroport them and to provide the sidence that support your answer
Evdence
Bedience this population provided ang of food
greater than the population that was provided me
Bidence 2 The population provided 0mg of food gree
slower than the population that was provided 0. Smg of
friction is aforce that acts
Choose THREE human activities that have a negative impact on the biodiversity within Amazon rainforests.
A
captive breeding of organisms
B
change in the land-use pattern
С
exploitation of available resources
D
introduction of conservative measures
E
introduction of invasive species
TI
restoration of degraded land
Answer:
the three would be the following E , A and Ti
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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Which kind of molecule must be labeled to make radioactively labeled DNA
Answer:
B - radioactive nucleotide
Explanation:
i got it correct
Answer: For A P E X users the answer is. Radioactive nucleotide
Explanation: A P E X
Cells extract energy from nutrients in a structure known as the powerhouse of the cell, or the
A
vacuole
B
cilia
С
nucleus
D
mitochondria
Answer:
The answer is D) Mitochondria
Both primary and secondary succession begin with pioneer species that —
A.change the area and make it safer from predatory organisms
B.invade the area so that new organisms cannot be established
C.modify the area and allow larger and more complex organisms to appear
D.use up all the existing resources and prevent establishment of non-native organisms
Answer:
the answer is c
Explanation:
Both primary and secondary succession begin with pioneer species that modify the area and allow larger and more complex organisms to appear. Thus, the correct option is C.
What is Ecological Succession?Ecological succession is the process by which the mixture of different species and habitat in an area changes over a period of time. Gradually, these species communities replace one another until a climax community, which is the final stable species occur. For example, a mature forest is reached, or until a disturbance, like a fire, occurs.
Ecological succession is of two types: Primary and Secondary Succession. In both the successions, the pioneer species modify the area and allow larger and more complex organisms to appear.
Therefore, the correct option is C.
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How to prepare composting.
Answer:
1. Choose Your Type of Backyard Compost Bin.
You can use either an open pile or a compost bin. Bins have the advantage of being neat, keeping animals out and preserving heat. You can purchase compost bins from a variety of garden and home stores, or you can build your own compost bin.The size and type of bin you purchase or build will depend on how much compostable material you generate.
2. Choose Your Composter Location.
You should choose a location which is flat, well-drained and sunny. Most importantly you should find a convenient location. If it is in the back of your yard will you be willing to trudge through the snow to get to it in the middle of winter?
3. Alternate Layers.
Start with a layer of course materials (like twigs) to allow for drainage and aeration. Cover this layer with leaves. Then simply alternate between layers of greens materials (nitrogen-rich material) and browns (carbon-rich material).
Have a nice day! :)
Answer:
7 Easy Steps to Composting:
Choose Your Type of Backyard Compost Bin. You can use either an open pile or a compost bin.Choose Your Composter Location.Alternate Layers.Add Kitchen and Yard Waste as They Accumulate.Continue to Add Layers Until Your Bin is Full. Maintain Your Compost Bin.Harvest Your Compost.Explanation:
What is the name of the invasive specie threatening the Atlantic coast?
Answer:
I'm pretty sure it is the invasive Lionfish.
Explanation:
They are "threatening" native fish and destroying the environment in the coastal waters. They are the causes of extinction, reducing biodiversity, and fighting for resources. Hope this helps you and have a good day!
why do geologist think earths core contains mostly iorn
I hope my answer helped you! If you need more information or help, comment down below and I will be sure to respond if I am online. Have a wonderful rest of your day!
explanation of why are the continents are still moving today. please hurry its urgent
Answer:
Hello! The movement of these tectonic plates is likely caused by convection currents in the molten rock in Earth's mantle below the crust. Earthquakes and volcanoes are the short-term results of this tectonic movement. The long-term result of plate tectonics is the movement of entire continents over millions of years
Explanation:
Hope this helps! :) -Jade231234
Why is damage to the heart more serious than damage to the liver ?
Answer:
Heart failure can rob your liver of the blood it needs to work. The fluid buildup that comes with it puts extra pressure on the portal vein, which brings blood to your liver. This can scar the organ to the point where it doesn't work as well as it should.
i hopes this helps
Biology answers many questions, but it’s main focus is
Answer:
The animals of the Earth and their environment the history of life on Earth how people and animals interact and live how living organisms interact and function Biology answers many questions, but its main focus is how living organisms interact and function.
Explanation:
How many objects are needed for a successful revolution and why
Answer:
May be 3.
Explanation:
Proper planning, ideology and large number of people who are in favor of revolution are needed for a successful revolution because with proper planning the people can achieve their goal for which they want revolution from the government while large number of people put pressure on the government to accept their ideology for which they want revolution.
Which of the following is true regarding the structure of enzymes?
Choose 1 answer:
Enzymes are usually lipids.
The active site is where the enzyme binds with the substrate.
The shape of enzymes change to fit all types of substrates.
D
Enzymes are denatured once they are used in a chemical reaction.
Answer: The active site is where the enzyme binds with the substrate.
Explanation: Enzymes bind to substrates at the active site, creating a enzyme-substrate complex. Once the reaction has been catalyzed, the active site is freed so the enzyme can bind to a new substrate. Hope this helps have a great day. :D
The statement 'the active site is where the enzyme binds with the substrate.' is TRUE regarding the structure of enzymes.
Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy.Enzymes have an active site that binds to specific substrates to form the enzyme-substrate complex.The enzyme-substrate complex is a temporary intermediate complex in which the substrate triggers conformational changes of the enzyme during the chemical reaction.In conclusion, the statement 'the active site is where the enzyme binds with the substrate.' is TRUE regarding the structure of enzymes.
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Which of the following properties of life is likely NOT to be a common
feature shared among all living organisms?
All living organisms undergo growth and development
All living organisms have evolved over the course of many generations
All living organisms contain cells and maintain organization
All living organisms are able to respond to environmental changes
All living organisms contain the same cellular structures
Answer:While all of the individual characteristics of carnivorous plants can be found in other plants, when they are all combined in the same plant the organism is truly unique, a carnivorous plant whose modified leaves can trap and digest prey lured to the plant. The digested materials are utilized by the plant for its growth and development
Explanation:
