Answer:
See the answers below
Explanation:
Cells can benefit from diffusion in a variety of ways depending on what they need at a particular time. In some instances, cells might need to increase the concentration of certain molecules and as such, would require facilitated diffusion to achieve it. In some other time, cells might just need to achieve a balance/equilibrium or decrease the concentration of certain molecules within their bodies. Here, diffusion just needs to happen naturally without any facilitation.
Hence, all the options are correct.
Cell membrane helps to maintain the health of the cell because it acts as a selectively permeable interphase that allows for the passage of important materials and shuts the door to those that are not needed.
A person walked 3 miles north turns and walks 2 miles east. Calculate the persons distance traveled and the displacement.
Answer:
displacement
Explanation:
3.61
Distance travelled by the person is 3 + 2 = 5 miles. Displacement of the object is 1 mile.
What are distance and displacement?Distance is the actual length travelled by the body. Displacement is the shortest distance travelled by the body.
Total distance travelled by the thing. This is dependent on the entire route taken, not just the beginning and ending locations. Travel distance is usually a positive quantity. a scalar quantity with the following units.
A change in an object's location. We write "change" as "Delta xx delta," where "x" stands for displacement. a vector quantity.
Therefore, the Distance travelled by the person is 3 + 2 = 5 miles. Displacement of the object is 1 mile.
To learn more about distance, refer to the link:
https://brainly.com/question/15172156?
#SPJ5
in the lung model how does the air move and out of the smaller balloons
Answer:
The plastic at the bottom of the balloons act like diaphragm , as it expands air move in throw the straw which represent trachea and when it contract, the air move out the balloons.
Explanation:
In the lung ballin model, the plastic at the bottom acts as the diaphragm. Diaphragm is a strong muscle that expand and contracts that cause air to flow in and out of the lungs. The movement of the balloon matches with breathing. When someone breathe in, air moves into the lungs like the balloons and it is because the diaphragm/plastic expands and these make air to enter through the straw which represent trachea and when you breathe out, the diaphragm contracts which allow air to move out.
which of the following are found in both dna and rna
Answer:
The bases adenine, guanine, and cytosine are found in both DNA and RNA; thymine is found only in DNA, and uracil is found only in RNA.
Explanation:
Answer:
phosphate groups, guanine, and cytosine
Explanation:
I just took the quiz. Hope this helps.
Which continent is located southeast of the Indian Ocean?
Answer:
Australia and Antarctica. Antarctica would be more south.
Explanation:
what selection occurs when people breed plants and animals to get desired traits
PLEASE ANSWER
Answer:
Selective breeding! :D
Explanation:
Selective breeding is were humans choose the traits given to the animal.
Scientists know that some methods used to increase the food supply are dangerous to humans. Which method is known to be harmful to human health?
A. Using genetically engineered crops
B. Spreading pesticides with planes
C. Increasing the number of vertical farms
D. Increasing the number of rural farms
Answer: Spreading pesticides with planes
Explanation: The use of pesticides has allowed the world’s food production to expand greatly over the last century. However, the chemicals in pesticides can be dangerous to humans and animals.
Pesticides also add chemicals and poisons to the plants and crops, which, if taken by people, can result in fatal diseases, allergies, malnutrition, and other ailments, hence option B is correct.
How are pesticides harmful to human health?A special chemical known as a pesticide is added to the agricultural field to protect the crops from harm caused by disease-carrying bugs.
While protecting the plants from pests that spread illness. Some farmers abuse pesticides without understanding the proper concentration to apply in their fields.
As a result, the population of humans and animals will experience more of the negative consequences of chemicals and poisons.
Therefore, spreading pesticides with planes to increase the food supply is dangerous to humans.
Learn more about pesticides, here:
https://brainly.com/question/6662547
#SPJ2
What are three reasons why
deforestation is occurring?
convert 150,000 picograms to centigrams
Can anyone please suggest why the cassowary bird can digest the fruit, but not the seeds of the rainforests
A bicycle has tires that are 70cm in diameter How far will the bicycle travel in 100 complete revolutions of the tires
Answer:
70*100=7000
Explanation:
70cm times 100 revolutions = 7000cm
when the bicycle tires spin 100 times around it will travel 7000cm.
The tissue type that is responsible for communication is the
A. Nervous Tissue
B. Muscle Tissue
C. Epithelial Tissue
D. Connective Tissue
8. Alexander was studying the effect of playing rock music on plant growth.
One of the plants was exposed to rock music for 24 hours a day for a
period of 6 weeks. Data on the growth of the plant was collected at
the end of each week and plotted in a graph. Based on the data,
which would be the MOST reasonable measurement at the end of an
8-week period?
A. 2 decimeters B. 6 decimeters
C. 8 decimeters D. 16 decimeters
Answer:
C. 8 decimeters
Explanation:
As seen on the graph, the height of the plant is located on the y-axis while the period of growth or time in weeks is located on the x-axis. If you observe closely, the plant has an average growth of 1 decimeter per week.
week 1 = 1 decimeter
week 2 = 2 decimeters
week 3 = 3 decimeters
week 4 = 4 decimeters
week 5 = 5 decimeters
week 6 = 6 decimeters
week 7 = 7 decimeters
So, this means that at the end of the 8-week period, the plant's height is at 8 decimeters.
A student wonders whether removing the nucleus from a cell would result in a new prokaryotic cell. Why would this procedure fail to produce a prokaryotic cell?
The cell would lack genetic information.
The cell would lack the structure that is needed to produce energy.
The cell would lack the structure that is needed to protect the cell’s organelles.
The cell would lack control over materials that move into and out of the cell.
Answer:
The cell would lack genetic information
Explanation:
Answer:
The cell would lack genetic information
Explanation:
HELP WILL GIVE BRAINLY! which of the following is an example of.an organism maintaining homeostasis? A. Birds flying south for the winter. B. Sweating when your body temperature raises C. Digesting a meal you just ate. C. having offspring
Answer:
An example of an organism maintaining homeostasis is a man sweating while he runs. The total amount of water in the body needs to be balanced. It is a metabolic process that take place in all organisms under a specific chemical and physical environment. It regulates the fluid of the body. Therefore, the right answer is option B) Sweating when your body temperature raises.
look at the SIMULATION pane. Is the displayed segment a part of a DNA or RNA molecule? how do you know?
Answer:
DNA
Explanation:
I did the assignment. and got a 100
The displayed segment is a part of a DNA MOLECULE. This nucleic acid (DNA) forms a double helix.
The deoxyribonucleic acid (DNA) is a double helix molecule composed of two long chains of nucleotides, which interact by hydrogen bonds.
Conversely, the ribonucleic acid (RNA) molecule is a single-stranded molecule consisting of a long chain of nucleotides.
In DNA, there are four types of nucleotides, each containing one distinct nitrogenous base, i.e., Adenine, Guanine, Cytosine and Thymine.
According to the base pair rules, Adenine always pairs with Thymine via two hydrogen bonds, whereas Guanine pairs with Cytosine through three hydrogen bonds.
In RNA, Thymine bases are replaced by Uracil bases.
Learn more in:
https://brainly.com/question/927510?referrer=searchResults
Please help and thanks!
Answer:
a
c
b
Explanation:
A model that shows the amount of energy that is passed on at each trophic level of a food chain is called ..
Answer:
An energy pyramid.
Explanation:
Using the idea of a concentration
gradient, explain why the blue
colour gradually spreads throughout
the water in the jar. When does
diffusion stop?
Answer:
Explanation:
Osmosis. Osmosis is the diffusion of water through a semipermeable membrane down its concentration gradient. If a membrane is permeable to water, though not to a solute, water will equalize its own concentration by diffusing to the side of lower water concentration (and thus the side of higher solute concentration).
The total mass of living matter at each trophic level is called
Answer:
Each stage is a trophic level. Biomass is a measure of the total mass of living material in each trophic level.
Explanation:
light provides the energy to power to what
Answer:
The sun's light (and all light) contains energy. Usually, when light hits an object the energy turns into heat, like the warmth you feel while sitting in the sun. But when light hits certain materials the energy turns into an electrical current instead, which we can then harness for power.
Answer:The sun's light (and all light) contains energy.
Explanation: Usually, when light hits an object the energy turns into heat, like the warmth you feel while sitting in the sun. But when light hits certain materials the energy turns into an electrical current instead, which we can then harness for power
Level the chloroplast? Please!
Which statement best describes the role of DNA?
Answer: It transmits genetic information to the next generation
Explanation:
DNA stores information on how the cell should be made and ‘run’. This is why it is critical that its integrity is well preserved. Otherwise, mutations on DNA can be lethal to the cell. In higher cells, DNA is protected in the nucleolus. To pass down the genetic information, DNA is replicated by DNA polymerases and then during cell division, either copy of the pair goes to each of the two daughter cells.
Answer:
it contains genetic information
DNA strands are organized into small units which are known as genes. Genes carries sequences of bases which instruct the cells which protein is to be synthesized for a particular function in the body.
Explanation:
Why did removing bees have a bigger effect than removing the rabbits?
I think removing bees have a bigger effect than removing rabbits because bees help a lot with our earth and some things would probably be bad without them. Bees do things like help plants grow, breed and produce food, and they transfer pollen between flowering plants so they can keep the cycle of life turning. Plus they make great honey ! But with the rabbits they can sometimes cause damage to the earth by overgrazing native and sown pastures, leading to loss of plant biodiversity and reduced crop yields. and they also compete with native animals and domestic livestock for food and shelter, increasing grazing pressure and lowering the land's carrying capacity. So therefore, if we removed bees from our earth it would turn everything upside-down more then it would with rabbits. :)
Plant cells contain chlorophyll to turn light energy into chemical energy. Chlorophyll, in plant cells, is stored in an organelle that is VERY plentiful in leaf cells. What are these organelles?
Answer:
Chloroplasts are organelles found in the broccoli's cells, along with those of other plants and algae. They capture light energy and store it as fuel molecules in the plant's tissues. Mitochondria are found inside of your cells, along with the cells of plants
Explanation:
plant cell of a plant beacuse the plant
Cells contain small specialized structures called___________that act just like organs in your body
Answer:
Organelles
Explanation:
Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive.
Cells contain small specialized structures called organelle that act just like organs in your body.
What are cell organelles?An organelle is a subcellular structure that, like an organ, has one or more specific jobs to do in the cell.
The nuclei, which store genetic information, mitochondria, which produce chemical energy, and ribosomes, which assemble proteins, are among the more important cell organelles.
The major organelles and cellular structures found within the cytoplasm include the nucleolus, nucleus, ribosome, vesicle, rough endoplasmic reticulum, Golgi apparatus, cytoskeleton, smooth endoplasmic reticulum, mitochondria, vacuole, cytosol, lysosome, and centriole.
The nuclei, which store genetic information, mitochondria, which produce chemical energy, and ribosomes, which assemble proteins, are among the more important cell organelles.
Thus, the answer is cell organelle as it acts like organs acting in the human body.
For more details regarding cell organelles, visit:
https://brainly.com/question/496953
#SPJ2
Why can't the cell membrane be in the center of the cell?
Answer:
because the cell membrane is supposed to protect the insides by creating a layer outside of everything inside. if it was in the center the cell would not be protected
Explanation:
Answer:
because its need a cell phone
If a hypotonic solution surrounds a cell; water will ___.
move into the cell
move out of the cell
stay the same
be dissolved
be transported by proteins in the plasma membrane
Someone help ASAP!!!
Answer:
move into the cell.
Explanation:
PLS HELP ME!! DUE TODAY!!
THIS WILLHELP ME WITH MY GRADE!!
This is an analogy for an organisms' cells building proteins. Tell me what each of the parts below is represented by in the analogy above (look at the highlighted words) IN THE PICTURE
1. Cell-
2. DNA-
3. DNA with a mutation-
4. Nucleus-
5. Organism-
6. Proteins-
7. Ribosome-
Answer:
you just need to explain to your teacher how each part helps the cells
heres the answers:
1. Cell- work together with similar cells to form structures called tissues.
2. DNA-DNA contains the instructions needed for an organism to develop, survive and reproduce.
3. DNA with a mutation- Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes.
4. Nucleus- The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information.
5. Organism- Organisms respond to stimuli from their environment and actively maintain their internal environment through homeostasis.
6. Proteins- Your body uses protein to build and repair tissues.
7. Ribosome- Within the ribosome, the rRNA molecules direct the catalytic steps of protein synthesis — the stitching together of amino acids to make a protein molecule.
8. Amino acid - When you eat protein, your body breaks the protein down into amino acids. Those amino acids are then used to repair and grow new muscle fibers. When you consume an adequate amount of protein, your body will experience something called a positive balance of nitrogen.
Which bond is weak covalent or hydrogen?
Answer:
hydrooogenn
Explanation:
Answer:
Hydrogen
Explanation:
They have energies of 1–3 kcal mol-1 (4–13 kJ mol-1) compared with approximately 100 kcal mol-1 (418 kJ mol-1) for a carbon-hydrogen covalent bond.
A person with a degree in economics and an emphasis in agriculture would best be able to perform which of the following jobs?
O human resources professional
O produce broker
O warehouse manager
O advertising agent
A person with a degree in economics and an emphasis in agriculture would best be able to perform the jobs of human resources professional. Thus, option A is correct.
What is logistics growth curve?
The logistics growth curve is defined as the population per capita growth rate is decreases and get smaller and the size of population increases maximum applied by resources which are limited in the environment which is known as the K that is carrying capacity.
The logistics population growth is represented by logistic growth curve on a line graph and the shape of curve is S - shaped that represents slow increase, and rapid growth in population and after that there is reduction in growth.
The best example of logistics growth is observed in wild population that includes sheep as well as harbor seals. In both of the cases the number of population increases and carrying capacity for small period of time.
Therefore, A person with a degree in economics and an emphasis in agriculture would best be able to perform the jobs of human resources professional. Thus, option A is correct.
Learn more about logistics population growth here:
https://brainly.com/question/545813
#SPJ2