Answer: false
Explanation: Only plant cells have a cell wall. All feels have a cell membrane
All cells have a cell wall but only plant cells have a cell membrane. The given statement is false.
What is difference between unicellular and multicellular organisms?
The main difference between unicellular organisms and multicellular organisms is that unicellular organism is unspecialised it means all the body function depends upon only on the single cell and in multicellular organism there is specific cells for specific purposes.
Multicellular and unicellular organisms are perform almost all the life running activities and processes such as respiration, reproduction digestion, breathing, and metabolism.
In unicellular organism division of labour is at the organ level on the other hand in multicellular the division of labour at cellular, tissue, organs and organ system level.
Unicellular organism has simple body organization and multicellular organism have complex body organism.
Therefore, all cells have a cell wall but only plant cells have a cell membrane. The given statement is false.
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Imagine a glucose molecule entering the cell membrane. Would that
molecule be able to reach the mitochondria faster if the cell had a smaller
volume or a larger volume? Explain.
Answer: THE TRANSPORT OF A MOLECULE FROM THE CELL MEMBRANE TO THE MITOCHONDRIA WOULD BE FASTER IN A CELL WITH A SMALLER VOLUME BECAUSE THERE WOULD BE LESS DISTANCE TO TRAVEL
Explanation:
I hope this helped
Glucose is a simple sugar that constitutes of carbon, hydrogen and oxygen atoms. It is the most abounding monosaccharide out of all the carbohydrates.
The glucose molecule will move actively to the mitochondria from the cell membrane if the membrane has a smaller volume.
The reason for the answer is:
Smaller the cell size less will be the covering space, hence the molecule will move less distance to reach its target.Mitochondria uses glucose molecules and generates carbon dioxide as the waste material.It is not always beneficial for the cell to be larger sometimes smaller cells can be more dynamic.Therefore, the glucose molecule will travel faster when the cell membrane has a small volume.
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During which two phases of the moon do neap tides take place?
Group of answer choices
A. new and full
B. first quarter and full
C. new and third quarter
D. first quarter and third quarter
Answer:
D
Explanation:
Answer: first quarter moon, third quarter moon
Explanation:
Select the answer below that describes the process of photosynthesis
photosynthesis is when humans convert their food into energy
photosynthesis is when plants convert sunlight, water and carbon dioxide into energy
photosynthesis is when plants convert sunlight, water and oxygen into energy
photosynthesis is how plants grow
Answer:
Photosynthesis is when plants convert sunlight, water, and oxygen into energy.
photosynthesis is how plants grow
Explanation:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities. This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water – hence the name photosynthesis, In most cases, oxygen is also released as a waste product. Most plants, most algae, and cyanobacteria perform photosynthesis; such organisms are called photoautotrophs. Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere and supplies most of the energy necessary for life on Earth.
Hope this helps!
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Plzz answer this question
Answer:I cannot understand
Explanation:
Which of the following is released during cellular respiration
a. oxygen
b. air
c. energy (ATP)
d. lactic acid
Answer:
C (energy ATP)
Explanation:
please help (5 stars no cap)
Answer: this is plant cell find features that plant cells have that animal cells don't have
Explanation:
Name and describe 3 ways objects can travel across a membrane. Include what types of objects (H2O, sugar, ect) are moving across the membrane for each way.
Answer:
Osmosis - water
Ions - diffusion
Large proteins - endocytosis
Explanation:
Ions and small molecules can cross the cell membrane by simple diffusion, where they move from a high concentration to a low concentration, down a concentration gradient.
Osmosis is the process whereby water travels across a semi-permeable membrane from a high concentration to a low concentration.
Larger cargo can cross the membrane through a process called endocytosis, where the membrane engulfs the particles and brings them inside the cell, encased in a vesicle.
Question 10 of 10
Which of these is a factor that contributes to cultural change over time?
A. Technology
B. Good manners
C. Prejudice
D. Public actions
SUBMIT
why virus is imortal?
Answer:
Strictly speaking, viruses can't die, for the simple reason that they aren't alive in the first place. Although they contain genetic instructions in the form of DNA (or the related molecule, RNA), viruses can't thrive independently. Instead, they must invade a host organism and hijack its genetic instructions.
Explanation:
Answer:
A flu is a virus and the reason that you have to get flu shots every year is because every time a virus enters a host it is mutated by the antibodies, cells and biology of that host, so it can be passed on to another host who may not be immune to every part of this NEW virus.
Explanation:
So your answer is both yes and no.
Where can earthquakes occur?
Question 12 options:
at a convergent plate boundary
at ALL kinds of plate boundaries
at a divergent plate boundary
at a transform plate boundary
Answer:
at a transform plate boundary
Explanation:
Transform faults are found where plates slide past one another. An example of a transform-fault plate boundary is the San Andreas fault, along the coast of California and northwestern Mexico. Earthquakes at transform faults tend to occur at shallow depths and form fairly straight linear patterns.
summarize the three general steps involved in chemical
cycling:
Answer:
Explanation:
Chemical cycles typically involve three general steps: ... As organisms die, decomposers break them down, further supplying the soil, water, and air with chemicals in inorganic form. The producers gain a renewed supply of raw materials for building organic matter, and the cycles continue.
Which describes sexual reproduction, and not asexual reproduction? a. produces offspring that are genetically identical with a single parent b. produces offspring that inherit half of their genetic information from each parent c. ensures all members of a population have equal fitness in their environment d. can occur very quickly, allowing a population to expand into new territory
Answer:
b
Explanation:
explain what natural selection is and how it occurs
Answer:
Natural selection is when an animal adapts to their environment to survive and produces more offspring. It occurs when the animal isn’t thriving in their environment and they make adaptions to where they can survive.
Explanation:
An example of natural selection is, a bird used to have a really thick and short beak. But to have more access to food they adapted to their environment and now have a long and skinny beak.
Hope this helps :)
does anyone know what this is ??
What are some examples of humus
Answer:
Explanation:
The definition of humus is partially decomposed organic matter. Partially decomposed plant matter in the soil is an example of humus. A dark-brown or black organic substance made up of decayed plant or animal matter. Humus provides nutrients for plants and increases the ability of soil to retain water.
Answer:
Some examples of hummus are the store-bought, home made, or the real deal from the middle east.
Sorry, wrong type of hummus.
Fill In The Blank
Options for the blank:
Coding
Proteins
Amino Acids
- Chromosomes are made of DNA that contain genes that control the production of ______ within the cell.
Chromosomes are made of DNA and contain genes that control the production of proteins within the cell, which is in Option 2, because the DNA contains the blueprint of the cell and the living organism.
What is the significance of DNA as a blueprint?The DNA acts as a blueprint in which all of the cell's information is stored, such as in the form of a gene, which is later expressed in the cell in the form of polypeptides, proteins, enzymes, and so on by the translation process, and controls and regulates the cell for various functions. DNA contains lots of genes, but not all of them are expressible.
Hence, chromosomes are made of DNA and contain genes that control the production of proteins within the cell, which is in Option 2, because the DNA contains the blueprint of the cell and the living organism.
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Which statement describes thylakoids?
Glucose is formed here.
Water molecules are formed here.
Only photosystem II functions here.
Photosystems I and II function here.
Answer:
Its D. Photosystems I and II function here.
Explanation:
I just took the test
Answer:
D. Photosystems I and II function here.
Explanation:
Credits to the person above!
This DNA strand consists of eight pairs of nitrogenous bases. How many different sequences of eight bases can you make? Explain how you found your answer.
Answer:
In the sequence of 8, it would be 4 (possible bases) to the power of 8 because you need to multiply 4, eight times for the number of sequences. Therefore, the answer is 65, 536 possible sequences.
There are 65,536 different possible sequences in a DNA strand consisting of eight pairs of nitrogenous bases.
We have a DNA strand consisting of eight pairs of nitrogenous bases and we want to know how many different sequences of eight bases can we make, that is, how many combinations are possible.In DNA, there are 4 kinds of nitrogenous bases: Adenine (A), Guanine (G), Thymine (T) and Cytosine (C).Each position (P) can be occupied by any of the 4 bases (B). Since there are 8 positions, and the bases can be repeated, we can calculate the total number of different sequences (N) using the following expression.
[tex]N = B^{P} = 4^{8} = 65,536[/tex]
There are 65,536 different possible sequences in a DNA strand consisting of eight pairs of nitrogenous bases.
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What are the functions of the nucleolus? (Choose all that apply)
converting energy from food into a form the cell can use
regulating the cell’s interaction with its surroundings
translating the code contained by the DNA into the proteins the cell needs for structure and function
Answer:
El nucleolo
Explanation:
El nucleolo es una región del núcleo celular que se ocupa de la producción y ensamblaje de los ribosomas de las células. Tras el montaje, los ribosomas son transportados al citoplasma de la célula donde sirven como centros de síntesis de las proteínas.
What do scientists do when experiments are not possible
Answer:
Well, to be honest I think that they might just figure out another way to do that experiment.
Explanation: My reasoning is, that if an experiment isn't possible due to complications like maybe it could be to dangours or it could have reaction that they don't know about. So if they aren't able to do an experiment then they might find a safer one to do or they might just skip it and research more about it and see how it would react to certan things.
List the three parts of the cell theory
Answer:
- All organisms are composed of cells. - Cells are alive and the basic living units of organization in all organisms. - All cells come from other cells.
Explanation:
:)
The three parts of the cell theory are as follows:
All living things are made up of one or more cells.Cells are the basic and functional unit for living things.All cells come from pre-existing cells.CELL THEORY:
The cell theory is a widely accepted theory that is made up of three components as proposed by Mathias Scleiden, Theodor Schwann and Rudolph Virchow in the 1890's. The three parts that makes up the cell theory are as follows:All living things are made up of one or more cells.Cells are the basic and functional unit for living things.All cells come from pre-existing cellsLearn more: https://brainly.com/question/1468725?referrer=searchResults
20.
Lipids and carbohydrates are dissimilar in that -
А
carbohydrates are composed of water and ammonia, and lipids are composed of trisaccharides
B
carbohydrates are composed of monomers, and lipids are composed of polymers.
С
carbohydrates are composed of monosaccharides, and lipids are composed of glycerol and fatty acids.
D
carbohydrates are composed of nucleotides, and lipids are composed of sugars.
Using a Periodic Table, identify two elements
that would have the same number of energy
levels as Aluminum (Al).
Answer:
Na, Si, Mg.
Explanation:
SodiumSilicon MagnesiumWhich condition is associate; with most warm fronts?
A. cloud formations bringing precipitation
B. tornado formations
C. violent air mass collisions D. low temperatures
Not sure if you can help but please try!
Scenario
You look outside your bedroom window and see clear, sunny skies and calm weather. You overhear a weather forecast on the news that says a high pressure system will be in the area for the next few days. You are wondering what your friend who lives in Kentucky was going to do this week. You decide to text her and check it out. You were surprised to learn that it was raining where she lived and could turn into an ice/snow storm later. No school tomorrow for her!!!! LUCKY!!!
External Data
You are located at the yellow X on the map below. Your friend is located at the black X on the map below
Prompt:
Write a scientific explanation that predicts what the weather would be like in your area and your friend’s area over the next few days.
Answer:
For the friend, she will will have heavy rain, drizzlings, and maybe even some frozen rain and sleet for the next few days. For me, it is just regular days with sunny skies and just everything normal.
Explanation:
i will give brainly answer.
i’m not smart and can’t think for myself. please and thank you:)
compare and contrast coal and nuclear power. would you support either of both of these forms of energy technology. why or why not?
Answer:
I will give you a basic idea of what you should write in my opinion you should support neither of these forms of energy mainly due to the reason that both forms of energy pollute the world. instead we should focus on using renewable energy such as solar wind and hydro. furthermore coal and nuclear power are non-renewable resources which means that there is only a limited amount on the earth which brings up the benefit of having renewable energy as there is endless supply of it.
25. What geographic feature is at an altitude of 0 Km.
Answer:
a star in the sky
Explanation:
What are the GLOBAL EFFECTS OF El Niño?
What does this image represent
5. A herd of zebras has 9 males and 62 females.
During a one-year period, 22 foals that are born
survive and 25 adults die. Six females join the
herd. Three males and 11 females leave the herd.
Has the herd reached its carrying capacity for this
ecosystem? How do you know?
O a. The herd has reached its carrying capacity
because the growth rate is negative.
Ob.The herd has reached its carrying
capacity because the growth rate
is positive.
O c. The herd has not reached its carrying capacity
because the growth rate is negative.
Od.The herd has not reached its carrying
capacity because the growth rate
is positive.
Answer:
Choice: (A) The herd has reached its carrying capacity because the growth rate is negative.
Explanation:
The herd has reached its carrying capacity because the growth rate is negative. Hence option a is correct.
What is ecosystem?Ecosystem is defined as a ecology's structural and functional unit where living things interact with one another and their surroundings. Healthy ecosystems maintain our soil, clean our air, control the climate, recycle nutrients, and give us food. They provide tools and raw ingredients for producing medicines and other goods. Major elements of many ecosystems include plants, animals, insects, microorganisms, rocks, soil, water, and sunlight.
Clumps can disperse in a region when there is an unequal distribution of resources like food, water, moisture, temperature, or other materials. More food supplies are available, finding a mate requires less migration for individuals, and organisms are better protected from predators.
Thus, the herd has reached its carrying capacity because the growth rate is negative. Hence option a is correct.
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