What roles do polysaccharides play in living things?
*storing sugar and storing fat
*storing fat and providing structure
*storing fat and building proteins
*storing sugar and providing structure
Answer:
D storing sugar and providing structure
Explanation:
answer from gradpoint
A pathologist who wants to examine a patient's liver cells to determine if the mitochondria have an internal structural defect will likely need to use a a pathologist who wants to examine a patient's liver cells to determine if the mitochondria have an internal structural defect will likely need to use a transmission electron microscope. scanning electron microscope. chromatin stain. light microscope.
Arrange the events in the correct order to describe how the magnetic field forms around Earth.
a - The electric currents create a magnetic field on Earth
b - A continuous flow of liquid iron creates electric currents inside Earth
c - Iron- rich magma heats up inside Earth
d - Convection currents form, cycling magma between the core and the crust
Answer:
c - Iron- rich magma heats up inside Earth
↓
d - Convection currents form, cycling magma between the core and the crust
↓
b - A continuous flow of liquid iron creates electric currents inside Earth
↓
a - The electric currents create a magnetic field on Earth
Explanation:
Which word parts do you need to build a medical word that means "excessive flow or discharge of blood"?
Would you expect to find plantlike organisms below 1,000m in the ocean?
Which statement best describes a difference between prokaryotic cells and eukaryotic cells? *
1 point
A The presence of both DNA and ribosomes in prokaryotic cells indicates that they are more complex than eukaryotic cells.
B The larger size of prokaryotic cells indicates that they are more complex than eukaryotic cells.
C The presence of membrane-bound organelles in eukaryotic cells indicates that they are more complex than prokaryotic cells.
D The larger size of eukaryotic cells indicates that they
Answer:
The correct answer will be option C.
Explanation:
Prokaryotes are the single-celled organisms of domain bacteria and archaea which lacks a nucleus and membrane-bound organelle while eukaryotic cells are the organisms which contains a well defined nucleus and other membrane bound organelles.
The fundamental difference between prokaryotes and eukaryotes is the presence of DNA(genetic material) in a membrane-bound organelle called nucleus which is absent in prokaryotes where genetic material is stored in an area called nucleoid which is not surrounded by the nuclear membrane.
The compartmentalisation of DNA confers stability to the cell as genetic material is protected from the external bodies and injuries.
Thus, option C is the correct answer.
The statement that best describes a difference between prokaryotic cells and eukaryotic cells is "The presence of membrane-bound organelles in eukaryotic cells indicates that they are more complex than prokaryotic cells." The correct option is C.
This is an accurate distinction between the two cell types. Eukaryotic cells are generally more complex than prokaryotic cells because they possess membrane-bound organelles such as the nucleus, endoplasmic reticulum, Golgi apparatus, mitochondria, and chloroplasts (in plant cells). These organelles compartmentalize various cellular functions and enable specialization, which enhances the overall complexity of eukaryotic cells.
In contrast, prokaryotic cells lack membrane-bound organelles, and their genetic material is not enclosed within a nucleus. Prokaryotes are typically smaller and structurally simpler than eukaryotic cells.
Option A is incorrect because the presence of DNA and ribosomes does not necessarily indicate greater complexity; both prokaryotic and eukaryotic cells contain these essential components. Option B is also incorrect because the size of the cell is not directly related to complexity. Option D is incomplete and does not provide a valid distinction between the two cell types.
To know more about prokaryotic cells and eukaryotic cells :
https://brainly.com/question/7153285
#SPJ3
Tendon sheaths ________.
a. help anchor the tendon to the muscle
b. are extensions of periosteum
c. are lined with dense irregular connective tissue
You are part of a desert plant research team trying to discover crops that will be productive in arid climates. you discover a plant that produces a hormone under water-deficit conditions that triggers a suite of drought responses. most likely the hormone is
How long would it take for bacteria to go from 1 bacterium to 500 bacteria
15 POINTS In two or more complete sentences describe the relationship between traits, genes, chromosomes and DNA.
Answer:
Traits, genes, chromosomes, and DNA they are all related to each other in the process of determining an organism's characteristics and phenotype.
Explanation:
If you have any questions ask me please! :)
Which food supplies only discretionary kcalories?
a. bagel
b. peanut butter
c. grape jelly
d. raisins?
What is the greatest contributing factor in the loss of polar bears in arctic areas?
you can float a paperclip on top of water if you very carefully place it flat on the water surface because of the molecular skin created by the interaction of air molecules with the top layer of water molecules on the surface. this is called
A. Specific heat
B. Cohesion
C. Surface tension
What is the Spaulding Classification? A. Determines the level of disinfection or sterilization required for reusable medical devices B. Determines the level of disinfection or sterilization required for non-reusable medical devices C. Determines the level of decontamination required for reusable medical devices D. Determines the level of decontamination required for non-reusable medical devices
Match the characteristics below to either seedless or seed plants. vascular plants only bryophytes and pteridophytes reproduce by spores gymnosperms and angiosperms vascular or nonvascular plants monocots and dicots
The enzymes involved in dna replication, do it with extreme fidelity. the error rate is approximately 1 in every 100,000 nucleotide base pairings. when dna replication, however, is complete the number in correct pairing is considerably much lower. explain what process occurs to reduce the number of incorrect pairings when dna replication is complete.
Variations in infectious and chronic diseases from one country to another may be attributed to:
Runoff is the result of
A. Rainwater percolating (soaking) into the ground to recharge the aquifers.
B. Precipitation in a body of water that ends up in the ocean.
C. Precipitation in a watershed where water flows into a body of water.
At what age does the human brain reach 95% of its adult size?
The _____ serves as a relay station between the hindbrain and the forebrain.
The midbrain serves as a relay station between the hindbrain and the forebrain.
What is midbrain ?The midbrain, which is derived from the developmental mesencephalon and is located toward the base of your brain, is a relatively small but significant region. Its primary function is to act as an essential connection point between the two other major regions of the brain, the forebrain and the hindbrain.
The numerous nuclei of the cranial nerves are included within the midbrain together with the tectum, tegmentum, colliculi, and crura cerebi. The midbrain acts as a relay system, sending information that is important for vision and hearing to the other parts of the brain. It also plays a significant part in motor activity, the experience of pain, and the cycle of sleep and wakefulness.
Therefore, it is an essential part of the central nervous system.
Learn more about midbrain, here:
https://brainly.com/question/11821098
#SPJ5
Growth and development in organisms can result when there is an increase in
Name two substances in the body that will move based on the principles of diffusion
Some beetles and flies have antler-like structures on their heads, much like male deer do. the existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of _____. a synapomorphy parsimony homology convergent evolution
The correct option is D i.e. convergent evolution.
The existence of antler-like structures in beetles, flies, and deer is an example of convergent evolution. Convergent evolution occurs when similar traits evolve independently in species that do not share a recent common ancestor but face similar environmental pressures and challenges. An example of this is the development of wings in bats and insects, which are structurally different but serve the same function, flying.Explain two reasons why estuaries are so ecologically important and economically important.
How costs will compare during and after construction of wind turbines
by observing mammal cardiac stomach,mammal pyloric stomach and duodenum explain how digestive enzymes work efficiently ?
The auditory neurons extending from the _____ reach out with their axons to the primary auditory cortex (a1) in the _____.
Organisms may play only one role in an ecosystem true or false
Final answer:
It is false that organisms can only play one role in an ecosystem; they often perform multiple functions and occupy various niches, contributing to the complexity and interdependence of ecological relationships.
Explanation:
The statement "Organisms may play only one role in an ecosystem" is false. In a diverse ecosystem, organisms typically engage in multiple interactions and can have several roles within their habitat. For instance, a species could be a pollinator, a prey item for other animals, and a seed disperser.
This multifaceted participation is crucial for the intricacies of ecological networks, where relationships among organisms can shape the very environment they reside in, as in the case of grassland biomes being structured by the sod-forming activities of various species.
Additionally, while food chains can sometimes create the impression that organisms have a single role by being assigned a specific trophic level, in reality, many species can feed at multiple levels or across different chains, contributing to the complexity of their roles in an ecosystem.
Explain how the inheritance of traits is controlled in organisms. use the terms genes and alleles in your explanation.
Traits in organisms are controlled by genes and alleles, with two copies of a gene inherited from each parent. Dominant alleles are expressed over recessive alleles to determine an organism's phenotype. Mendelian inheritance, involving a single gene with two alleles, underpins heredity and genetic diversity.
Explanation:Inheritance of TraitsThe inheritance of traits in organisms is controlled by genes and alleles. Each organism has two copies of a gene, one inherited from each parent. The location of a gene on a chromosome is known as its locus. Genes may have different versions at the same locus, which are referred to as alleles. For example, the gene for flower color in pea plants may have a purple-flower allele ('B') and a white-flower allele ('b').
Mendelian inheritance involves a single gene with two alleles, one potentially being dominant over the other. This is a simpler case of inheritance but sets the foundation for understanding more complex patterns of heredity. The genotype of an individual includes the specific alleles inherited, and can be either homozygous, two identical alleles, or heterozygous, two different alleles. The expression of the genotype is known as the phenotype, which is the observable traits of the organism.
If an organism inherits different alleles for the same gene, one allele may be expressed over the other; in this scenario, the expressed allele is the dominant one, while the other is recessive. While the phenotype might be the same in homozygous dominant and heterozygous individuals, their genotype differs as they carry different combinations of alleles. The recessive allele appears in the phenotype only in the case of a homozygous recessive genotype.
What is the indication for the use of magnesium in cardiac arrest?
If there is suspected hypomagnesemia present that’s the time that you can use the magnesium. This is for use in cardiac arrest. This kind of drug is life threatening ventricular arrhythmias due to digitalis toxicity. There is insufficient evidence to recommend for or against the routine administration of magnesium during cardiac arrest. Magnesium is for the treatment of documented hypomagnesemia or for torsade de pointes.
Magnesium is used in cardiac arrest to stabilize heart rhythm, reduce myocardial oxygen demand, and prevent ventricular arrhythmias. It can be instrumental in refractory ventricular fibrillation or torsades de pointes. Magnesium is often combined with drugs used in controlled hypothermia treatments to minimize heart damage after cardiac arrest.
Explanation:Magnesium is indicated in cardiac arrest due to its potential to stabilize the heart's rhythm, reduce myocardial oxygen demand, and help in the prevention of ventricular arrhythmias. Its use in cardiac arrest could particularly beneficial during refractory ventricular fibrillation or torsades de pointes, which are types of cardiac arrhythmias.
Magnesium supplement could help with muscle function and nervous systems, thus reducing heart stresses and helping with the repair and recovery process. Doctors sometimes combine it with drugs that slow the heart's workload, such as those used in controlled hypothermia, to help reduce damage to the heart after a cardiac arrest.
The use of automated external defibrillators (AEDs) is also essential in cardiac arrest situations. These devices deliver a large charge to correct abnormal heart rhythms. AEDs are designed to analyze the patient's heart condition automatically and apply the appropriate shock energy to normalize the rhythm.
Learn more about Magnesium in Cardiac Arrest here:https://brainly.com/question/34383299
#SPJ11