PLEASE HELP MEEEE. A rigid layer that lies outside the cell's membrane is... *
O Cytoskeleton
O Cell Wall
O Cilla
O Flagella
Answer:
The correct answer is B. Cell Wall
Explanation:
A cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell. The cell wall contains not only cellulose and protein, but other polysaccharides as well. The cell wall provides structural support and protection. Pores in the cell wall allow water and nutrients to move into and out of the cell.
what is availability?have you ever made yourself available for others?
Explanation:
Well, availability means different things in a context.
For example, at work, it might mean when you have time.
In could also mean if you are single or in a relationship?
Answer:
availability can be different
Explanation:
it can mean availability like as in a relationship of if you have time to hang out and I try to make myself available as I can to hang out with friends and play video games
What happens in cytokinesis?
Answer:
Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. ... The contractile ring shrinks at the equator of the cell, pinching the plasma membrane inward, and forming what is called a cleavage furrow.
Explanation:
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Answer:
The cell splits into two.
Explanation:
Cytokinesis is the process of cell division which divides the cytoplasm of the parent cell into two daughters.
The cell splits into two.
Please help I’ll give brainliest to whoever helps :)
Answer:
1:Cell
2:organ
3:tissues
4:A tissue is a group of similar cells that work together to perform a specific job. Specialized cells form specialized tissues such as blood tissue. A group of tissues working together to perform a specific function is called an organ. Organs are the third level of organization.
Explanation:
What wave travels along the surface of a medium?
the esophagus connects the
Answer:
The esophagus connects the throat with the stomach, and is used to carry food and liquid from your mouth down to the Gastric.
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Do compounds have the same properties as the elements they were made from
Answer:
No, compounds do not have the same properties as the elements they were made from.
So meiosis produces I need help
Which phrase accurately describes an elliptical galaxy ?
Answer:
While spiral galaxies are bright, elliptical galaxies are dim.
Explanation: I hope this helped :)
Answer:
While spiral galaxies are bright, elliptical galaxies are dim.What describes an elliptical galaxy?
An elliptical galaxy is a type of galaxy with an approximately ellipsoidal shape and a smooth, nearly featureless image. They are one of the three main classes of galaxy described by Edwin Hubble in his Hubble sequence and 1936 work The Realm of the Nebulae, along with spiral and lenticular galaxies.
Explanation:
I hope I helped out!!
What type of medication have they tested using tissue grown with this
technology?
Answer:
Tissue engineering evolved from the field of biomaterials development and refers to the practice of combining scaffolds, cells, and biologically active molecules into functional tissues. The goal of tissue engineering is to assemble functional constructs that restore, maintain, or improve damaged tissues or whole organs. Artificial skin and cartilage are examples of engineered tissues that have been approved by the FDA; however, currently they have limited use in human patients.
Regenerative medicine is a broad field that includes tissue engineering but also incorporates research on self-healing – where the body uses its own systems, sometimes with help foreign biological material to recreate cells and rebuild tissues and organs. The terms “tissue engineering” and “regenerative medicine” have become largely interchangeable, as the field hopes to focus on cures instead of treatments for complex, often chronic, diseases.
The average American consumes more than 2000 lbs of food each year. Explain why we do not gain 2000 lbs each year.
Answer:
because people digest there food
We do not gain 2000 Ibs each year because humans undergo : DIgestion
The human digestive system
The human digestive system breakdowns every food consumed by the human body into the different nutrients contained in the food, it also excretes the excess or waste food out of the body through the excretory system.
This process of digestion makes it impossible for an individual who consumes 2000 Ibs of food each year to gain 2000 Ibs each year as well.
Hence we can conclude that We do not gain 2000 Ibs each year because humans undergo : DIgestion
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The investigator was most likely attempting to determine the effect on photosynthesis of different?
A) wavelengths of light
B) intensities of light
C) mineral concentrations
D) amounts of carbon dioxide
Answer: D) amounts of carbon dioxide
Explanation: He is putting the plants in tubes and measuring the amount of gas in each tube.
Mycorrhizal fungi are _______.
a.
mutualistic root-dwelling fungi that help plants obtain more water and nutrients.
b.
mutualistic leaf-dwelling fungi that obtain sugar from plant leaves
c.
parasitic leaf-dwelling fungi that strangle plants
d.
epiphytic plants living on plant stems and leaves
Answer:
a.
mutualistic root-dwelling fungi that help plants obtain more water and nutrients.
Mycorrhizal fungi are mutualistic root-dwelling fungi that help plants obtain more water and nutrients. The correct option is a.
What are mycorrhizal fungi?Mycorrhiza is helpful fungi that grow in close proximity to plant roots and get their moisture and nutrients from the soil in return for sugars from plants. By acting as root system extensions, mycorrhiza considerably expands a plant's absorptive area.
A symbiotic relationship between fungi and plant roots is known as mycorrhizae. Their main function is to increase the host plant's intake of nutrients and water by utilizing more soil than roots alone can.
Depending on the host plant and fungus' taxonomy, mycorrhizae can take on a variety of shapes.
Therefore, the correct option is a. mutualistic root-dwelling fungi that help plants obtain more water and nutrients.
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described movement in a single cells organisms
Unicellular organisms can move in two distinct ways—movement and locomotion. Movement enables an organism to change its form or shape. ... Unicellular organisms achieve locomotion using cilia and flagella. By creating currents in the surrounding environment, cilia and flagella can move the cell in one direction or another.
Hope I helped.
Answer:
they move through the body till they die of body failure or bacteria
why albert why just why
Answer:
Albert responds with: ...
Hope this helps!
xoxo,
cafeology
Answer:
Explanation:
Why...
How are ethanol and glucose similar in structure and function?
Choose all correct answers.
A. They are both carbon-based molecules.
B. They are both hydrocarbons.
I c. They both store energy in chemical bonds.
D. They are both used as fuel.
Check
An organic compound that has an OH group on its side chain is called ethanol. It is flammable and a volatile liquid. Whereas, Glucose is a simple sugar molecule that has carbon and aldehyde groups.
The correct answer is:
Option A. They are both carbon-based molecules.Option C. They both store energy in chemical bonds.Option D. They are both used as fuel.This can be explained as:
Ethanol and glucose both have carbon atoms in their structures. Ethanol is written as C₂H₅OH and Glucose as C₆H₁₂O₆.The energy in both the molecules is stored in their bonds.Glucose is used as fuel in living organisms while ethanol is a bio-fuel derived from microorganisms.Therefore, ethanol and glucose are similar in structures and some functions.
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HELP ASAP.......all u need to know is in the photo
Answer:
boo
Explanation:
boo
10. what is the correct order of the levels of organization from largest to
smallest? *
organism, organ, tissue, organ system, cell
organism, organ system, organ, tissue, cell
organ, organism, organ system, tissue, cell
organism, organ, organ system, tissue, cell
Select the correct answer.
When do sunspots disappear?
A. Sunspots are always present and NEVER disappear.
B. Once the magnetic field weakens in the area and cold plasma enters the area of the sunspot
c.
Once the magnetic field weakens in the area and hotter plasma enters the area of the sunspot
D.
Once the magnetic field strengthens in the area and hotter plasma enters the area of the sunspot
Answer:
B
Explanation:
unusually weak magnetic fields on the sun paired with reduced solar activity cause sunspots to disappear.
Once the magnetic field weakens in the area and cold plasma enters the area of the sunspot. Therefore option B is correct.
Sunspots are temporary phenomena on the Sun's surface caused by intense magnetic activity.
As the magnetic field in the sunspot weakens, it creates a relatively cooler region compared to its surroundings due to reduced heat convection. This cooler area is known as a sunspot.
Sunspots can last for days, weeks, or even months, but eventually, they disappear as the magnetic field changes. The process is cyclical, with sunspots going through periods of formation, growth, and decay.
Once the magnetic activity weakens, cold plasma fills the area, causing the sunspot to fade away. New sunspots can then form in different regions of the Sun's surface as the solar cycle continues.
Therefore option B is correct.
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Help me it’s not easy help
Answer:
False
Explanation:
Photosynthesis occurs in plants. Humans and animals are living things but photosynthesis does not occur in us.
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A certain species of caterpillar has bright colors that signal that it produces a
highly poisonous substance. Why is this signal important to natural
selection?
A. Predators will know that this caterpillar is a good source of food,
B. Predators that ignore the markings will die from the poison.
C. The bright colors help the caterpillars find each other and mate,
ОО
D. The bright colors will make it easier to find this caterpillar.
Answer:
D. Predators that ignore the markings will die from the poison
Explanation:
The rest of the answers would be negative attribute of the bright colors. Though C may seem correct, the trait of being highly colorful to signal poison has been seen in many other species of animals as well.
Describe the medical model approach to health
Answer:
The medical model's school of thought is that mental disorders are believed to be the product of physiological factors. The medical model, which is more widely used by psychiatrists than psychologists, treats mental disorders as physical diseases whereby medication is often used in treatment.
Explanation:
Three cells that each has a diploid number of 32 go through meiosis. How
many cells result and how many total chromosomes are in each cell?
Answer: 6 cells, 16 chromosomes each.
Explanation:each cell, after meiosis produces two haploid cells.
three diploid cells (2n=32) after meiosis give six haploid cells
will give branliest answer pls help !!
Answer:
Codominance
Explanation:
That would be Codominance. Codominance means that neither allele can mask the expression of the other allele (Both are dominant alleles, no recessive alleles). This is because the flower isn't only red or only pink. It has both alleles (which causes the red and pink stripes).
When is osmosis used by
cells to move water across a selectively permeable
membrane?
A. Osmosis is used by cells when large molecules pass freely across the selectively permeable membrane.
B. Osmosis is used by cells to create equilibrium when large molecules can't pass through the membrane.
C. Osmosis is constantly in process inside of a cell, regardless of equilibrum.
Answer:
B.
Explanation:
Osmosis moves water from the part of the membrane with less solutes to the part with more solutes. This will continue until the cell or whatever it is reaches equilibrium.
What are the PRODUCTS (what is made) of aerobic respiration?
This level of classification is the most specific and includes a group of individual organisms that resemble one another closely and are able to interbreed to produce fertile offspring.
Group of answer choices
species
kingdom
genus
domain
Answer:
species
Explanation:
According to the most widely used species definition, the biological species concept, a species is a group of organisms that can potentially interbreed, or mate, with one another to produce viable, fertile offspring.
This level of organization is the most specific and includes a group of individual organisms that resemble one another closely and are able to interbreed to produce fertile offspring is species
what is the level of organization in an organism ?Cellular organization is one of the characteristics of a living organism which states that each living organism is made up of a single cell or more than one cell.
It is made up of various components such as chemicals like micro molecule that form the macro molecule, at chemical level the structural composition are organized together to make cells
At Cellular level of organization form the tissue and it is complex to cell but simpler to organ which makeup of various together.
The cluster of interacting organs is necessary as the organ which are the structural level that individuals do the specific function.
Organs are gather together form organ system and it is a complex system made up of organs that are similar in their function.
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How much ATP is produced in 5 molecules of glucose in the presence of oxygen in an obligate aerobe?
Answer:
190 ATP molecules
Explanation:
Cellular respiration is the process whereby energy (ATP) is obtained in the cells of living organisms by breaking down glucose molecules. Cellular respiration can either be aerobic or anaerobic depending on whether oxygen is present or not.
In the presence of oxygen, aerobic respiration, which consists of three stages namely: glycolysis, Krebs cycle and oxidative phosphorylation, is employed. Per glucose molecule;
- Glycolysis produces 2 ATP molecules,
- Krebs cycle produces 2 ATP molecules
- Oxidative phosphorylation produces 34 ATP molecules
Hence, in total, 38 ATP molecules is produced per glucose molecule in aerobic respiration. According to the question, 5 molecules of glucose will yield 5 × 38 = 190 molecules of ATP.
Barley is a grain that grows in many parts of the world. A plant geneticist identifies a gene for larger kernels in a wild relative of barley. The geneticist wants to transfer this gene to barley so that farmers can increase their harvests with the new variety of barley What molecule contains the gene that the geneticist wants to transfer?
a) allele
b) DNA
c) phenotype
d) protein
how do u fix this sentence ''the man next door never goed to no partys.''
Answer:
The man next door never goes to any partys.
Explanation:
-capatilize t
- replace "d" with "s" in goed
- replace no with any