The _______ is responsible for cellular respiration in eukaryotic cells
A fossil skeleton with a basin-shaped pelvis, a central foramen magnum, and arched feet would most likely be classified as a(n) __________.
Answer:
These characteristics are observed in biped organisms
Explanation:
A biped organism is able to use two legs for walking. Bipedalism is an evolutionary adaptation produced by several skeletal changes shared in all bipedal species. The central foramen magnum, a short wide pelvis, and arched feet are factors that influence bipedalism, these features are required to achieve a better balance during the bipedal movement
In order to grow more of a certain type of cell, a scientist should:
a.design a model of that type of cell.
b.observe the cell with a light microscope.
c.expose the cell to an electron microscope.
d.prepare a culture of that type of cell.
The triangular depression in the medial surface of each lung, where blood vessels and the primary bronchi enter, is the:
Which type of force produces the fault in the illustration? A. compression B. tension C. shear D. skating
Answer:
A. compression
Explanation:
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Compare and contrast signs and symptoms of emphysema and chronic bronchitis
Which of the following is not evidence for the law of conservation of mass during cellular respiration?
What are the products of noncyclic photophosphorylation?
A charged body may cause the temporary redistribution of charge on another body without coming in contact with it. this process is called
The answer is electrostatic induction. When a charged object is brought in close proximity to an uncharged object, Colomb forces from the charged objects causes a rearrangement of electrons and protons in the uncharged object. This gives the uncharged object polarity which is reversible when the charged object is removed.
Final answer:
Electrostatic induction is the process where a charged body induces a temporary redistribution of charge in a nearby neutral body without direct contact. This can result in an area of negative electric charge developing within the neutral body. No charges are created or destroyed; they are simply moved to different locations within the object.
Explanation:
The process described where a charged body causes a temporary redistribution of charge on another body without direct contact is known as electrostatic induction. During electrostatic induction, a charged object, when brought near a neutral object, can induce an unbalanced charge distribution within the neutral object, effectively changing its electrical condition temporarily. For example, if a positively charged rod is brought near a neutral conductor, electrons within the conductor will be attracted towards the rod, creating a region of negative electric charge near the rod, while leaving the other side positively charged. This redistribution of charge within the neutral conductor happens without any actual transfer of charge between the rod and the conductor.
Charging by induction is another term for this process. An important principle to remember is that during this process, no charges are created or destroyed; they are merely separated. The total amount of charge remains constant, adhering to the conservation of charge principle.
Transport of materials into a cell against a concentration gradient, from low to high, requires A) water. B) energy. C) osmosis. D) a passageway.
Answer:
b) energy
Explanation:
To survive, cells require many substances to be at higher concentrations inside the cell than outside of it. This is known as active transport and requires cell energy.
The transport of materials into a cell against a concentration gradient requires energy. So the correct option is B.
What is active transport?
A kind of cellular transport where substances or materials move against a concentration gradient is called active transport. The direction of transport is from an area of lower concentration to an area of higher concentration. Thus this process requires the expenditure of energy and it uses the help of membrane proteins like the carrier proteins.
In the process of active transport, the substances like e.g. ions, glucose, and amino acids are transported across the membrane from the region of their low concentration to the region of their high concentration. Thus, the movement is against the direction of their concentration gradient.
This is why cellular energy in the form of ATP is utilized in the case of active transport. This is different from passive transport where kinetic and natural energy is utilized. ATP can be produced by the process of cellular respiration.
Therefore the correct option is B.
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The somatic nervous system contains nerves that control: skeletal muscles internal organs glands cardiac muscles
Out of the following choices;
A) skeletal muscles
B) internal organs, joints, and glands
C) skeletal muscles, skin, and glands
D) smooth muscles, cardiac muscles, and glands
The answer is A. This is because of the somatic nervous system control voluntary mechanisms of the body. The alternative is the autonomic nervous system that controls the involuntary mechanisms. The somatic nervous system comprises of the afferent neurons and efferent neurons.
Which of the organelles in the animal cell is involved in the disposal of cellular waste that is not transported out of the cell?
A.
mitochondria
B.
nucleus
C.
endoplasmic reticulum
D.
lysosomes
In a plant cell, where are the atp synthase complexes located? select all that apply
In a plant cell, the ATP synthase complexes are primarily located in the inner mitochondrial membrane and the thylakoid membrane system of the chloroplasts.
Explanation:In a plant cell, the ATP synthase complexes are located in two major areas: the inner mitochondrial membrane and the thylakoid membrane of chloroplasts. The inner mitochondrial membrane houses the electron transport chain that pumps H+ ions across this membrane. The H+ ions then flow back through the membrane by way of ATP synthase, which catalyzes the formation of ATP.
In chloroplasts, the thylakoid membrane system contains the green photosynthetic pigment chlorophyll, where the light reactions of photosynthesis occur. This system involves photosystems I and II, the electron transport chain, and ATP synthase, which is integral for the creation of ATP, the cell's energy currency.
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The diagram below represents a human organ system the major function of the system is to:
1. Provide immunity essential for survival of each individual in a population.
2. Provide cells that are necessary for the survival of the species.
3. Produce chemical messages are necessary for nerve cell development.
4. Control the passage into and out of a developing fetus.
Please choose the answer for me please. I need help with that question and explain why it is the answer please so I can understand.
Physical assessment of a client in active labor reveals that the cervix is dilated 3 to 4 cm and 50% effaced, the fetus is in the right sacrum anterior (rsa) position, and contractions are 5 minutes apart. where should the nurse place the stethoscope to best locate the fetal heart tones?
What has occurred when a solid forms out of the mixing of two liquids in a chemical reaction?
9. Biodiversity is valuable partly because it (1 point)
gives us interesting things to look at.
tells us about many other species.
contributes to medicine and agriculture.
provides humans with resistance to disease.
10. Which of the following is NOT a threat to biodiversity? (1 point)
pollution
deforestation
crop rotation
climate change
Is examination of the back an organ or body area examimnation?
Tommy lives at 60 degrees north latitude. He watches the day's weather forecast and learns that the polar jet stream will be positioned over his town today.
Image courtesy of NOAA
Judging from the above diagram, Tommy could predict ______ and _______ today.
Tommy could predict low air pressure and precipitation
Answer:
low pressure; precipitation
Explanation:
:)
The most frequent way in which small regulatory rna molecules exert their effects is by the most frequent way in which small regulatory rna molecules exert their effects is by binding to a repressor and repressing enzyme transcription. signal transduction. base pairing with other rna molecules that have regions of complementary sequence. acting as an inducer that then binds to an activator protein to allow transcription to proceed.
The animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688)
Answer: Porifera
The animal phylum porifera constitute the sponges that is most like the protists that gave rise to animal kingdom. One evidence is that they have been defined as multi-celled immobile animals or metazoans that have water intake and outlet openings, which is connected by chambers lined with choanocytes or cells with whip-like flagella. Another evidence that supports this includes the lack of true tissue in sponges.
Which endocrine gland is indicated by the arrow?
Mutations are generally helpful to the organism.
a. True
b. False
Explain the mechanisms for movement of materials across cellular membranes anatomy
Cells use mechanisms like active transport, passive diffusion, facilitated diffusion, co-transport, and endocytosis to move materials across their membranes, some requiring ATP and others happening passively supporting cellular function.
Mechanisms for Movement of Materials Across Cellular Membranes
Cells transport materials across their membranes using several mechanisms, each playing a crucial role in the maintenance of cellular function. The selective permeability of the plasma membrane allows for different methods of transport, some requiring energy and others occurring passively.
Active transport is a process where cells use ATP to move substances against their concentration gradient. Passive diffusion is the movement of substances from a region of higher to lower concentration without energy use. Facilitated diffusion involves carrier proteins to help substances move down their concentration gradient. Co-transport, or secondary active transport, uses the movement of one molecule to drive the transport of another. Lastly, endocytosis is a form of active transport where the cell membrane engulfs material to bring it into the cell.
These mechanisms ensure that essential nutrients, ions, and other substances can be absorbed, while waste products are secreted or removed, maintaining the necessary conditions for cellular survival and function.
What do fungi have in common with animals? their cells do not store dna within the nucleus. they are all unicellular. they are heterotrophs. they make their own food from sunlight?
Answer:
Option C, they are heterotrophs
Explanation:
Both fungi and animals do not have chlorophyll with in them and thus they are not able to produce their own food from sunlight. Being unable to produce their own food, both fungi and animal depends on other organisms especially the producer for their food and nourishment. Hence, they both are heterotrophs.
Some of the animals are unicellular while there are several animals that are multi-cellular too. Hence option B is incorrect.
Also both fungi and animal have DNA with in their cells and hence option A is also incorrect.
Option C is correct
Fungi and animals share several common characteristics. Both are heterotrophs that rely on external organic compounds for energy, and their cells share structural similarities such as the presence of chitin and the storage of carbohydrates as glycogen. Regardless, fungi also exhibit unique traits including their role as key decomposers in the ecosystem.
Explanation:Fungi, much like animals, are heterotrophs; they obtain their energy and carbon from complex organic compounds as they are incapable of photosynthesis. This essentially means that their mode of nutrition involves consuming and breaking down organic matter rather than producing their own nutrients through sunlight like plants do.
Furthermore, parallels can be seen in the structure of their cells. The cell walls of fungi are composed of chitin, a substance also found in the exoskeletons of arthropods, while their cells contain mitochondria and other complex internal systems such as the endoplasmic reticulum and Golgi apparatus. Like animals, fungi store carbohydrates in the form of glycogen.
However, it's important to note that, despite these similarities, fungi also demonstrate distinct characteristics. For example, fungi absorb nutrients across the cell surface and play a crucial role as decomposers in the ecosystem, helping to recycle nutrients by breaking down organic materials into simple molecules.
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A client at 38 weeks of gestation is admitted to labor and delivery for the management of preeclampsia and is placed on a magnesium sulfate iv drip. explain the signs of magnesium toxicity for which the nurse should monitor.
How does the compressor lubrication system differ for reciprocating and centrifugal compressors?
In a centrifugal compressor, the refrigerant and the oil systems are separate. The oil is in a separate oil sump and the oil pump powered by a separate motor. On the other hand, the reciprocating compressor is powered by the compressor shaft.
Answer:
Both the reciprocating and centrifugal compressors are the parts of refrigeration and air conditioning technology. The lubrication is provided by the pressure lubrication system in the reciprocating compressor. This system utilizes pressurized oil for lubrication. While, on the other hand, the lubrication is attained by a three-phase fractional horsepower motor and oil pump in case of a centrifugal compressor.
1. What do bone marrow and the epidermis have in common? (1 point)
They are both sites of new cell formation.
They both contain structures that assist the body in cooling down if overheating
occurs.
They both contain or are associated with sensory neurons.
They are both involved in waste disposal functions.,
Answer:
The correct answer would be They are both sites of new cell formation.
Bone marrow is the semi-solid tissue found in the cavities of the bone.
It serves as the site of production of blood cells.
Epidermis refers to the outermost layer of the skin. Stratum basale layer of the epidermis acts as the site of production of new epidermal skin cells.
Mechanical digestion, the process of breaking down large chunks of food into smaller pieces, is important because smaller pieces of food ________. mechanical digestion, the process of breaking down large chunks of food into smaller pieces, is important because smaller pieces of food ________. are more easily stored in the stomach than are larger pieces of food are easier to excrete than are larger pieces of food do not taste as good as larger pieces of food have more surface area for chemical digestion than do larger pieces of food
Derotative righting, labyrinthine righting, and parachute are all examples of: