Plant and animal cells isolate from their environment in order to process nutrients.
True
False
Answers
Answer:
false
Explanation:
Animal and plant cells obtain the energy they need to grow and maintain normal cellular function through the process of cellular respiration. Both of these cell types also contain cell structures known as organelles, which are specialized to perform functions necessary for normal cellular operation.
Related Questions
In the absence of recombination (i.e., complete linkage), what ratio of phenotypes is expected in the progeny of the cross AB/ab x AB/ab? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. а 3 A-B-:1 aabb b 1 aaB-:2 A-B-1A-bb с 9 A-B-:3 A-bb: 3 aaB-:1 aabb d The ratio depends on the distance between genes. e The ratio depends on the interference.
Answers
The expected ratio of phenotypes in the progeny of the cross AB/ab x AB/ab in the absence of recombination is: 3 A-B- : 1 aabb. The correct answer is (а).
The cross AB/ab x AB/ab is a dihybrid cross between two heterozygous parents. In the absence of recombination, the alleles for each gene will stay together in the same combination in the offspring. Therefore, there will be only two types of gametes produced: AB and ab. The expected ratio of phenotypes in the progeny will depend on the genotype of each offspring. The possible genotypes of the offspring are AABB, AABb, AaBB, AaBb, AAbb, aaBB, aaBb, and aabb. The phenotype of each genotype is determined by the dominant allele. A- and B- are dominant over a and b, respectively.
The genotype AABB and AABb both have the dominant alleles for both genes, so they will have the same phenotype: A-B-. The genotype aaBb and aabb both have the recessive allele for both genes, so they will have the same phenotype: aabb.
The genotype AaBB and AaBb have one dominant allele and one recessive allele for each gene. Their phenotype will be determined by the dominant allele, so they will have the same phenotype: A-B-. The genotype AAbb and aaBB have one dominant allele and one recessive allele for each gene. Their phenotype will be determined by the dominant allele, so they will have the same phenotype: A-bb.
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the science of classification of organisms into different categories based on their physical characteristics and presumed natural relationships is called
Answers
Taxonomy is the science of classification of organisms into different categories based on their physical characteristics and presumed natural relationships.
Taxonomy is the idea and practise of describing, naming, and classifying organisms. It is the classification of creatures into a system that reveals natural links (evolutionary linkages). Systematics is the study of taxonomy, the systematic classification of living things and their evolutionary links.
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why do you think the water debt increased and the water table fell
Answers
In recent years, the depletion of groundwater resources has become a significant issue for many countries. The water table has been falling and the water debt has been increasing as a result of this phenomenon.
Water debt, sometimes known as water deficit, is a term used to describe the quantity of water withdrawn from rivers, lakes, or underground sources that exceeds the volume that can be refilled naturally through precipitation and other means.
This water debt has been increasing in recent years due to a variety of factors including population growth, urbanization, industrialization, and climate change. With more people needing water for drinking, washing, and other purposes, the demand for water has increased significantly.
As a result, many countries have been tapping into groundwater resources at an unsustainable rate. This has caused the water table to fall, reducing the amount of available water in underground aquifers.
The depletion of these resources can cause significant long-term damage to ecosystems and the environment, as well as negatively impacting agriculture and other industries that depend on water resources.
Additionally, as the water table falls, the cost of accessing groundwater resources rises, making it more difficult and expensive to obtain water for domestic, agricultural, and industrial uses.
In conclusion, the increase in water debt and the fall of the water table is a result of overconsumption of groundwater resources, driven by population growth, urbanization, industrialization, and climate change.
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Classification and characterization of heterotrophic microbial communities on the basis of patterns of community level sole-carbon-source utilization
Answers
The classification and characterization of heterotrophic microbial communities based on patterns of community-level sole-carbon-source utilization involves assessing the metabolic capabilities and diversity of microorganisms present in a given environment.
This approach utilizes the utilization of different carbon sources by microbial communities as a means to differentiate and categorize them.
The process typically involves collecting samples from the environment and exposing them to a wide range of carbon sources. The response of the microbial community to these carbon sources is then evaluated by measuring their growth or metabolic activity. This data is used to create a metabolic fingerprint or profile for the community, highlighting the specific carbon sources that are utilized.
By analyzing these patterns of carbon source utilization, microbial communities can be classified and characterized based on their functional diversity, ecological roles, and potential metabolic capabilities.
This approach provides insights into the functional potential of microbial communities and their ability to adapt to and utilize different carbon sources in their environment. It can also aid in understanding the dynamics of microbial communities in response to environmental changes and perturbations.
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Provide a detailed Information regarding Supply Chain Planning of
Harley-Davidson (Motor Company)
Answers
Harley-Davidson's supply chain planning allows the company to manage the flow of components and materials from suppliers to its own facilities. This process includes the review and management of agreements, inventory, and production timetables.
By understanding the requirements of suppliers, Harley-Davidson can identify opportunities for improved operations, while controlling the costs of materials and services. Through the use of IT, the company has the ability to track the progress and performance of its materials and adjust processes accordingly. In addition, the use of supply chain planning allows Harley-Davidson to monitor customer feedback on the quality of their product.
This feedback helps the company to hone their supply chain and improve their offerings. In summary, Harley-Davidson's supply chain planning provides a strong foundation for the company to meet customer expectations and ensure its supply chain operates efficiently.
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True or False
The cell theory is 1. All living things are made of cells, 2. The cell is the basic unit of life, 3. All cells come from pre existing cells.
Answers
Answer:
True
Explanation:
All three are true, I've learned about cells before :D Have a nice day
A cell was found to have the following structures
DNA
Cell membrane
Mitchochondria
Based on the information provided what can be concluded about the cell
Answers
It could be a plant cell or an animal cell
Which two systems are interacting based on the diagram?
Select one:
A. Muscular and Integumentary
B. Nervous and Immune
C.Endocrine and circulatory
D.Exreory and circulatory
Answers
Classify each description as applying to either heterochromatin or euchromatin
-highly compressed form of chromatin
-the form chromatin takes most often when transcription is not occurring
-the expanded form of chromatin
-the form chromatin takes most often during transcription
Answers
Highly compressed form of chromatin: Heterochromatin
The form chromatin takes most often when transcription is not occurring: Heterochromatin
The expanded form of chromatin: Euchromatin
The form chromatin takes most often during transcription: Euchromatin
Heterochromatin refers to the highly compacted, tightly condensed form of chromatin that is transcriptionally inactive. It contains highly condensed nucleosomes that are tightly packed together, making it inaccessible to the transcriptional machinery. Heterochromatin is typically found in regions of the genome that are not actively transcribed, such as centromeres and telomeres.
Euchromatin, on the other hand, is a less condensed and more relaxed form of chromatin that is transcriptionally active. It is composed of loosely packed nucleosomes that are more accessible to the transcriptional machinery. Euchromatin is typically found in regions of the genome that are actively transcribed, such as genes and regulatory elements.
Thus, when transcription is not occurring, chromatin adopts the highly compressed form of heterochromatin, while during transcription, it takes on the more expanded form of euchromatin.
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What metabolic pathway is used for red blood cells function ?
Please help me out
Answers
Answer: Embden-Meyerhof pathway.
Explanation: Glucose is the main energy source for red blood cells, they follow the Embden-Meyerhof pathway to give energy and keep your body maintained.
Briefly explain, in general terms, how of the protein components in root cells come to be different from the proteins found in leaf cells.
Answers
To up take mineral ions and water molecules from the soil, root hair cells have special protein carriers located in their outer membrane. These cells primarily perform the absorption function.
What are the functions of proteins?Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.
Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.
Proteins serve many functions in cells. They act as enzymes that catalyze chemical reactions, provide structural support, regulate the passage of substances across the cell membrane, protect against disease, and coordinate cell signaling pathways.
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When a cell prepares to divide, the chromosomes become more tightly compacted. This process decreases the apparent length of the chromosomes and increases their.
Answers
When a cell prepares to divide, the chromosomes become more tightly compacted. This process decreases the apparent length of the chromosomes and increases their diameter.
When a cell gets ready to divide, it must duplicate each chromosome. Sister chromatids are the name given to chromosomes that have two copies. The sister chromatids are joined together by cohesion-containing proteins and are similar to one another. At the centromere, a section of the DNA that is crucial for their separation during later stages of cell division, the bond between sister chromatids is strongest. The sister chromatids are still regarded as one chromosome as long as they are joined at the centromere. The moment they are separated during cell division, though, each chromosome is regarded as a separate one. The cell cycle is an organised sequence of cell growth and division events that results in the creation of two new daughter cells. In order to form two identical (clone) cells, cells go through a sequence of carefully controlled and regulated steps of growth, DNA replication, and division. Interphase and the mitotic phase are the two main stages of the cell cycle.
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Which option is food (i.e., an energy source) for a plant?
carbon dioxide that a plant takes in through its leaves
minerals that a plant takes in from the soil
water that a plant takes in through its roots
sugars that a plant makes
Answers
Answer:
I'm pretty sure that it is the water the plant takes through its roots
Explanation:
Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight. This process is called photosynthesis, which means 'making out of light'. The foods are called glucose and starch. which is the process of making food for plants
4. What role does lymph play in the circulatory system? Please help ASAP
Answers
Answer:
The lymph help to return blood back to circulation after purifying it.
Explanation:
Lymph is a clear white fluid in the lymphatic system which consists of lymph, lymph node, vessels e.t.c.of the circulatory system that contain white blood cells that is lymphocytes which form part of the immune system and this lymph destroy or kill bacteria in the blood or fight against bacteria and it them return the blood back to circulation.
use the base code to transcribe each letter into rna to form an mrna strand. write the mrna below the dna use the codon chart to translate the mrna into the amino acid sequence. write the amino acid sequence below the mrna.
Answers
The nucleotide sequence of the mRNA is now translated into a sequence of amino acids by the cell, which just generated this mRNA strand out of its DNA.
To create an mRNA molecule, an enzyme known as Polymerases reads the templates DNA strand. The AAA sequence on the templates strand of DNA will be translated to UUU by the mRNA. RNA polymerases, which join nucleotides to create an RNA strand, carry out transcription. Initiation, elongation, & termination are the three phases of transcription. The ribosome proceeds down its mRNA transcript, placing a matched tRNA codon adjacent to each mrna & attaching the amino acids until expelling the tRNA. This is done because each tRNA is connected to an amino acid. You will advance along the mRNA transcripts three grounds at a time since each codon contains three bases. The amino acids are designated by the codons AAA, Cca, GGG, & UUU.
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. Cells of plant A make 120 molecules of glucose an hour. Cells of plant B make half as much glucose as plant A does. How much glucose does plant make every minute?
Answers
Answer:
1 molecule of glucose
Explanation:
plant A = 120 molecules
plant B = plant A/2
= 120/2 = 60 molecules per hour
plant B takes 1 hour to produce = 60 molecules
". ". .". 60 minutes to produce = 60 molecule
plant B takes 1 minute to produce = 60/60
= 1 molecule
What is a variation of giraffes
Answers
Answer:
Actually, what we thought of as a “giraffe” is four different species. ... They've since renamed them, very creatively spinning off on the giraffe theme: the Masai giraffe, the reticulated giraffe, the southern giraffe, and the northern giraffe
Explanation:
Answer:
Actually, what we thought of as a “giraffe” is four different species. ... They've since renamed them, very creatively spinning off on the giraffe theme: the Masai giraffe, the reticulated giraffe, the southern giraffe, and the northern giraffe.Sep 9, 2016
Explanation:
there
Gel electrophoresis allows molecules to migrate along the gel at different rates by using:
Answers
Answer:
Agarose gel or Pores in the gel
Explanation:
This question could have multiple answers because the gel has pores in it that allow smaller fragments of DNA to move faster through the pores because they're not getting stuck in the gel. Larger fragments of DNA get stuck in the gel as they try to fit through the large pores.
So, you could either say the agarose gel itslef or you could say the pores in the agarose gel allow the molecules to move at different rates.
Answer:
electrical fields
Explanation:
During prometaphase, microtubules grow from the ________ to attach to the ________.
Answers
During prometaphase, microtubules grow from the centrosomes (also known as the microtubule organizing centers) to attach to the kinetochores of the chromosomes.
The centrosomes, located near the nucleus, serve as the main organizing centers for microtubule assembly during cell division. As the cell progresses into prometaphase, the centrosomes move to opposite poles of the cell, and microtubules emanate from each centrosome towards the chromosomes.
The microtubules that grow from the centrosomes are referred to as spindle fibers. They extend and search for the kinetochores, which are protein structures located at the centromere region of each chromosome. The kinetochores serve as attachment sites for the spindle fibers.
The spindle fibers interact with the kinetochores in a dynamic process, forming connections called kinetochore microtubules. These connections are crucial for the proper alignment and segregation of the chromosomes during cell division. Once attached, the spindle fibers exert forces on the chromosomes, aligning them along the cell's equatorial plane.
The attachment of microtubules from the centrosomes to the kinetochores is essential for the accurate distribution of genetic material during cell division. It ensures that each daughter cell receives the correct complement of chromosomes. Any errors or abnormalities in this process can lead to chromosomal instability and potentially result in genetic disorders or cell dysfunction.
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Acetylcholine is an important chemical signal in the nervous system. Once aceylcholine is released, it is quickly broken down into other chemicals because of the activity of cholinesterase. Cholinesterase is which of the following? *
a lipid
an organelle
an enzyme
a hormone
Answers
Cholinesterase is an hormones
What is an example of a microorganism acting in a harmful way?
a) bacteria spoiling food
b) bacteria aiding digestion
c) yeast used to make pizza crust
d) fungi decomposing waste in a septic tank
Answers
Answer:
A
Explanation:
B, C, and D are benefits. Bacteria spoiling food is very harmful to the food and to whoever eats it.
Which of these hormones would be able to cross the plasma membrane by simple diffusion?
a) insulin—a protein
b) hormone epinephrine—a biogenic
c) amine hormone testosterone—a steroid hormone
Answers
Testosterone, being a steroid hormone, is able to cross the plasma membrane by simple diffusion due to its lipid-soluble nature. Hence option (c) is correct.
Of the hormones mentioned, the hormone that would be able to cross the plasma membrane by simple diffusion is testosterone. Testosterone is a steroid hormone, and steroid hormones are able to diffuse across the plasma membrane due to their lipid-soluble nature.
The plasma membrane is composed of a lipid bilayer, which acts as a barrier to prevent the entry of hydrophilic molecules. However, lipid-soluble molecules are able to pass through the plasma membrane easily by dissolving in the lipid bilayer.
Epinephrine, on the other hand, is a biogenic amine hormone. Biogenic amine hormones are not lipid-soluble, and therefore cannot cross the plasma membrane by simple diffusion. Instead, they bind to specific receptors on the plasma membrane and trigger a cellular response through a signal transduction pathway.
In summary, testosterone, being a steroid hormone, is able to cross the plasma membrane by simple diffusion due to its lipid-soluble nature. Epinephrine, a biogenic amine hormone, cannot cross the plasma membrane by simple diffusion and relies on specific receptors to elicit a response.
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What is the flow of molecules in active transport?
Answers
Has the Clements successional theory been subjected to peer review and publication?
Answers
Answer:
Yes the Clements successional theory has been subjected to peer review and publication
Yes, the Clements successional theory been subjected to peer review and publication.
What is Clements successional theory?Plant succession was characterised by Clements as a developmental process that, during the course of a community, it went through a well-defined series of stages that, in the end, resulted in a mature community, also known as the climax community. The climatic conditions that determined the climax community's existence manifested themselves in the form of an indicator and an expression of that community.
His hypothesis of community formation, sometimes known as plant succession, is what brought Clements the most fame. Even after World War II, Clements' organicism and physiological perspective were still around, albeit in a watered-down version, despite the fact that it was extensively discredited by later ecologists.
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What coastal erosion feature does the arrow point to in the image below?
A photograph showing a deep hole in the side of a rock wall bordered by the sea. The arrow is pointing to the hole.
Sea arch
Sea cave
Sea cliff
Sea stack
Answers
Answer:
it was a SEA STACK.
Explanation:
A sea stack is formed from cliffs. It is a part of the cliff that breaks off from the original structure because its connecting portion will erode and be gone due to weathering and constant barrage of waves on the cliff sides.
Why does electric current flowing through wire lose energy?
Answers
How domplants reproduce?
Answers
Answer:
It doesn't matter what plant/flower it is:
A flower can either have the male or female part or both the parts. Flowers in plants carry out the reproductive functions in plants when both the male and female gametes are fused to produce the seeds which bear the fruit. These seeds germinate to produce new plant structures.
Explanation:
Based on the data in Table 1, complete the cladogram using the template provided to indicate the evolutionary relationships of the four species: African elephants (Loxodonta africana), Asian elephants (Elephas maximus), woolly mammoths (Mammuthus primigenius), and dugongs (Dugong dugon)
Answers
The cladogram will show that the African elephant and the Asian elephants are the most related species while the dugong is the least related species with the rest.
What is a cladogram?A cladogram is a pictorial illustration in the form of a branching tree which illustrates evolutionary relationship between species of oraganisms.
The four species under consideration are as follows:
African elephants (Loxodonta africana),Asian elephants (Elephas maximus),woolly mammoths (Mammuthus primigenius), anddugongs (Dugong dugon)A cladogram showing evolutionary relationship between the species will show that the African elephant and the Asian elephants are the most related species as they most recently evolved from a common ancestor.
The dugong is least related while the woolly mammoth share a common evolutionary relationship with them.
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If a target cell is continually under-stimulated by a particular hormone it has receptors to, it will increase the number of receptors it has through ______
Answers
If a target cell is continually under stimulated by a particular hormone it has receptors to, it will increase the number of receptors it has through Up regulation.
Upregulation refers to the process by which a target cell increases the number of receptors it has in response to low or inadequate stimulation by a hormone. When a target cell is not receiving enough stimulation from a specific hormone, it can enhance its sensitivity and responsiveness by increasing the number of receptors available for binding.
By upregulating the receptors, the target cell becomes more receptive to the hormone, allowing for a stronger response when the hormone is present in sufficient quantities. This compensatory mechanism helps the target cell adapt to the low stimulation and maintain its responsiveness to the hormone.
Upregulation is a homeostatic response that aims to restore or enhance the cell's sensitivity to a hormone when it is continually under-stimulated. It is an example of a feedback mechanism in the endocrine system that helps maintain proper hormone signaling and balance in the body.
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List 2 for each fluid: Specify if each fluid is a liquid or gas and explain why. 1. Home 2. school/work 3. outdoors
Answers
The types of fluid for each place include the following listed below:
1. Home - Liquid soap, oil
2. School/work - Water, Oxygen.
3. Outdoors - Oxygen, water
What is a Fluid?This is referred to as a substance which could be in the form of liquid or gas and is capable of continually flowing when it is subjected to shear stress or external force.
There are various types of fluids which have their individual properties which is based on their structure and atoms such as liquid soap which is used in the home for household chores such as washing and cleaning of materials or surfaces.
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Answer:
Home: Cooking Oil is used to cook a variety of vegetables/ foods, Water is a basic need to live and we drink it everywhere including our homes.
School: Liquid soap is used for clean windows, floors and sometimes ourselves, Oxygen is also a basic need just like water to live but for breathing.
Outdoors: Engine Oil is a liquid and used to repair cars and Gas is a fuel used to run cars and vehicles