The muscular and skeletal systems interact with one another to maintain
Answer:
Homeostasis
Explanation:
Skeletal muscles contribute to maintaining temperature homeostasis in the body by generating heat. Muscle contraction requires energy and produces heat as a byproduct of metabolism. ... In these individuals, a drastic increase in skeletal muscle calcium leads to sustained contractions and heat generation.
hat is the role of the central nervous system
Answer:
controls most functions of the body and mind. It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.
Explanation:
.
Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having _____.
A highway that keeps an organism from using its
entire home range causes?
a. extinction.
b. an island ecosystem.
c. biomagnification.
d. habitat fragmentation.
Answer:Habitat fragmentation
Explanation:
5. How could you increase the power of a wave in a spring?
Answer:
A. Increase the amplitude. B. Increase the frequency. C. Increase the tension on the spring.
Explanation:
all of the above
Final answer:
To increase the power of a wave in a spring, increase its amplitude as power is proportional to the amplitude squared. Increasing rigidity, such as by holding a ruler at its midpoint, also affects wave properties. For resonant frequency, altering the length of the air column by adding water increases the frequency.
Explanation:
To increase the power of a wave in a spring, you can modify several variables that affect the energy of the wave. Power in a wave is directly proportional to the square of the amplitude, so increasing the amplitude of the wave can significantly increase its power. Moreover, to exemplify the concept, if we want to increase the rigidity of a simple experiment like bending and releasing a ruler, one way is to hold the ruler at its midpoint instead of the end. This modifies the length of the oscillating part and makes the system more rigid, which would effectively alter the wave properties. Additionally, you could change the material of the ruler to one with a higher Young's modulus, which would also increase rigidity.
A student constructs a Venn diagram to compare the organelles in plant and animal cells.
Venn Diagram of Plant and Animal Cells
A Venn Diagram is shown. One circle is labeled Animal only, the other circle is labeled plant only, and the overlapping section is labeled both.
Which organelle should be listed under “Plant Only” in the diagram?
centriole
vacuole
lysosome
chloroplast
D. The organelle the student should listed under “Plant Only” in the diagram is chloroplast.
What is chloroplast?A chloroplast is a type of membrane-bound organelle known as a plastid that conducts photosynthesis mostly in plant and algal cells.
Chloroplast is only in plants since plants make their own food through photosynthesis, and the chloroplasts is contained in plant's chlorophyll.
Thus, the organelle the student should listed under “Plant Only” in the diagram is chloroplast.
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DNA replication produces two identical DNA molecules called _____, which separate during mitosis.
Answer:
sister chromatids
Explanation:
replication. DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
DNA replication produces two identical DNA molecules called sister chromatids, which separate during mitosis to ensure each new cell has an accurate copy of the DNA.
Explanation:During DNA replication in the S phase of interphase, each chromosome is replicated to produce two identical copies, called sister chromatids. These sister chromatids are held together at the centromere by cohesin proteins until anaphase II during the process of mitosis. The role of sister chromatids is crucial in ensuring that each newly formed cell receives an accurate copy of the DNA that is identical to the other and to the original cell.
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PLEASE HELP BIG POINT
Answer:
a
Explanation:
There are two major differences between mitosis and meiosis. First, meiosis involves not one, but Two cell divisions. Second, meiosis leads to the production of germ cells, which are cells that give rise to gametes. Germ cells are different from somatic cells in a critical way. Whereas somatic cells are diploid, meaning they have two copies of each chromosome, germ cells are haploid. The haploid nature of germ cells is vital to the process of sexual reproduction.
Answer: B
Explanation:
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What event occurred during the Paleozoic era?
A) diversification of mammals
B) first appearance of most modern invertebrates
C) dominance of non-avian dinosaurs
D) beginning of multicelled life
The first appearance of most modern invertebrates. Therefore, option (B) is correct.
What is Paleozoic era?The Paleozoic era spanned from about 541 to 252 million years ago and was marked by significant geological, climatic, and biological events. It saw the emergence and diversification of many major groups of animals, including the first appearance of most modern invertebrates, such as trilobites, brachiopods, and mollusks.
The first land plants and the evolution of fish and amphibians also occurred during this era. The era ended with the largest mass extinction in Earth's history, which wiped out about 90% of marine species.
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I am a multicellular, photosynthetic, marine organism. I grow very fast and live my adult life attached to rocks being pounded by waves. what kingdom and what organism name
What type of succession shown from figure a to figure b
PLeASe ASAP !!!!
Answer:
The correct answer is secondary succession.
Explanation:
A slow process by which ecosystems develop and modify with time is termed as ecological succession. An array of community modifications that occurs on a previously colonized, however, damaged or disrupted habitat is termed as the secondary succession. Secondary succession takes place in the regions which were cleared of the prevailing vegetation or due to the catastrophic incidents like fire.
The phenomenon of secondary succession generally takes place at a rapid rate in comparison to the primary succession. This takes place because of various reasons like the undisturbed root systems present in the soil that helps the plants to regenerate at a quick rate, a prevailing seed bank of suitable plants in the soil, and the structure and fertility of the soil that would have been modified significantly by the species that were present in the previous colony, making the soil more appropriate for growth and development.
Which of the following are NOT correctly matched?
A. severe combined immunodeficiency syndrome (SCID): genetic defect resulting in a shortage of B and/or T cells
B. multiple sclerosis: autoimmune disorder
C. immediate hypersensitivity: allergic contact dermatitis
D. AIDS (acquired immune deficiency syndrome): helper T cells are destroyed by a virus
Answer: immediate hypersensitivity: allergic contact dermatitis
Explanation:
A botanist discovers a new species of plants in a tropical rain forest. After observing its anatomy and life cycle, he notes the following characteristics: xylem, separate gametophyte and sporophyte generations, sporophyte dominance, seeds formed among cones, but no fruits. This plant is probably most likely a ___________.
a. mossesb. conifersc. liverwortsd. flowering plantse. ferns
Answer:
A botanist discovers a new species of plants in a tropical rain forest. After observing its anatomy and life cycle, he notes the following characteristics: xylem, separate gametophyte and sporophyte generations, sporophyte dominance, seeds formed among cones, but no fruits. This plant is probably most likely a conifers
Explanation:
Only angiosperms bears fruit and conifers are gymnosperms as they posses other features mentioned above
Which level of organization is shown in the diagram?
O organ
O tissue
O organ system
O cell
Organ level organization is shown in the picture.
What is the body organ ?
"Organs are the body's recognizable structures (for example, the heart, lungs, liver, eyes, and stomach) that perform specific functions. An organ is made of several types of tissue and therefore several types of cells .Cells are the basic building blocks of the body".
What are the four levels of organization in the human body?
"An organism is made up of four levels of organization: cells, tissues, organs, and organ systems".
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A man who is a dwarf due to achondroplasia and has normal vision marries a color-blind woman of normal height. The man's father was 6 feet tall, and both the woman's parents were of average height. Achondroplasia is autosomal dominant, and red-green color blindness is X-linked recessive. How many of the couple's daughters might be expected to be color-blind dwarfs
Answer: None of their daughters.
Explanation: For the purposes of this exercise, we shall take it as a given that red-green color blindness has an X-linked recessive inheritance pattern. Since the man (who possesses only one X chromosome) does not have color blindness, we can assume that he is not a carrier of a pathogenic allele for this trait. His female partner, in contrast, does have the disease despite being in possession of two X chromosomes and we can therefore assume that each of those X chromosomes contains a pathogenic allele.
Each of the couple's potential daughters will inherit two X chromosomes. The one inherited from the father's side will contain a normal allele (barring the potential for de novo mutations), while the one inherited from their mother will contain a pathological allele. Since it takes two affected alleles for the disease to become manifest, those daughters will be merely asymptomatic carriers.
In conclusion: none of the daughters (affected by dwarfism, or otherwise) will be colorblind.
How are new viruses reproduced?
will give Brainliest
Answer:
viruses are re produce through cells
Explanation:
the virus puts its DNA it to the c ells nucleus so when mitosis happens the cell will be an exact replica of the virus
H-shaped area of the spinal cord is called _________ matter and it is located around the ________________ filled with cerebrospinal fluid.
Answer:
The correct answer is "grey; central canal".
Explanation:
Grey matter refers to an area of the brain, brainstem and cerebellum comprised of unmyelinated neurons and other cells that has given its name for having a pinkish-grey color in the living brain. Grey matter is also present in the spinal cord in an are of three grey columns that are H-shaped and it is located around the central canal filled with cerebrospinal fluid
The H-shaped area of the spinal cord is called gray matter and it is located around the central canal filled with cerebrospinal fluid (CSF). The gray matter contains cell bodies and interneurons and is subdivided into regions known as horns.
Explanation:The H-shaped area of the spinal cord is called gray matter. This area contains cell bodies and interneurons and has a shape reminiscent of a bulbous capital 'H'. The gray matter is subdivided into regions known as horns. The gray matter surrounds a central canal filled with cerebrospinal fluid (CSF). This hollow center, a very small central canal through the cord, develops from the rest of the neural tube and corresponds to open spaces within the brain known as the ventricles, which are also filled with cerebrospinal fluid.
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What is it called when plants give off water vapor as a waste product?
Answer:
Transpiration!
Explanation:
Answer:
Water uptake to the environment occurs via the processes of evaporation and transpiration from plant life in which it condenses to shape clouds.
Explanation:
One of the biggest challenges for the exploration and future colonization of space is the expense of launching materials from Earth. Current rocket propulsion technology makes launches very expensive. Every item launched into space must be considered carefully because the expense goes up with every extra pound of cargo.
This problem would be best solved with
A.
heavier, more durable rockets and launching methods that are less cost-efficient.
B.
launching methods that are more cost-efficient and cargo made of lighter materials.
C.
heavier, more durable rockets and launching methods that are more cost-efficient.
D.
launching methods that are more cost-efficient and cargo made of heavier materials.
B
Explanation:
I just had it
Constant high pressure in an area in summer will MOST LIKELY cause a
Constant high pressure in an area in summer will most likely cause stable and dry weather conditions.
Constant high pressure in an area during summer typically leads to stable and dry weather, with clear skies and higher temperatures due to sinking air that inhibits cloud formation. High-pressure systems are generally associated with sinking air, which inhibits cloud formation and leads to clear skies. Moreover, the sinking air increases in temperature as it descends, which can cause higher temperatures in the affected region. Since there are fewer clouds, there will be more sunlight reaching the ground, contributing to the warming effect. Furthermore, high pressure tends to divert storm systems, keeping the region dry. These weather conditions can persist for an extended period if the high-pressure system remains stationary.
Which statement best describes the relationship of photosynthesis and energy?
A.The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.
B.The process of photosynthesis is energy-releasing because the process converts light energy into free energy that can be used for cell functions.
C.The process of photosynthesis is energy-conserving because no energy is used throughout the process of forming glucose and oxygen molecules.
D.The process of photosynthesis is energy-wasting because photosynthesis is an inefficient process that depletes the cell of energy stored in the bonds of glucose.
Answer:B
Explanation:
A series of strong storms opened a stream channel between two lakes. The western lake contains a large, diverse population of a species of minnow. The eastern lake has never been populated by fish. When the channel opened, a small group of fish migrated to the eastern lake. Soon after, the stream channel dried up and was never opened again. The fish in the eastern lake thrived and continued to reproduce, building a large population over time. Compared with the fish in the western lake, what characteristics would you expect the population in the eastern lake to exhibit?
Answer:
Minnow from the eastern lake will exhibit characteristics similar to the small group of migrants
Explanation:
The principle of inheritance indicates that related individuals will have similar phenotypes to their ancestors because they have the same genes
Fill in the blank: Excitation-_____________ coupling represents the physiologic mechanism whereby an electrical discharge at the muscle initiates chemical events at the cell surface, releasing intracellular Ca2+ and ultimately causing muscle action.
True or False: The F1 generation of a cross between two individuals, one who is homozygous dominant for the trait and the other who is homozygous recessive for the trait, will yield progeny(offspring) with the recessive phenotype.
Answer: False
Explanation: The parent with homozygous dominant counteracts the homozygous recessive. Thus, rendering the dominant phenotype
A human red blood cell in an artery of the left arm is on its way to deliver oxygen to a cell in the thumb. To travel from the artery to the thumb and then back to the left ventricle, this red blood cell must pass through __________.
a. one capillary bedsb. two capillary bedsc. three capillary bedsd. four capillary bedse. five capillary beds
Answer:
(b). two capillary beds.Explanation:
A human has a complete circulatory system that plays an important role in the circulation of the blood in the body of the human. Generally, there are two vessels that are responsible to transport the oxygenated blood and deoxygenated blood in the body. Generally, the artery carries oxygenated blood except for the pulmonary artery and the other is the vein that transports the deoxygenated blood except for the pulmonary vein. Capillaries are the microscopic vessel that is originated from the artery and connects the venules. When they are present in the form of a network is generally known as capillary beds and plays an important role in the exchange of nutrients, gases and other materials between the tissues cells and the blood. They are categorized as two capillaries bed, three capillaries bed and some other on the basis of the capillary in a network. Two capillary beds play an important role in the delivery of blood from the heart to the thumb and from thumb to the left ventricles.To travel from the artery to the thumb and then back to the left ventricle, the red blood cell must pass through TWO CAPILLARY BEDS.
A capillary bed is a complex network of blood vessels capable of supplying blood to a particular body structure, tissue, or organ.The capillary beds not only transport nutrients and oxygen to the cells, but they also are required to carry out waste byproducts (e.g., carbon dioxide).In blood circulation, two different capillary beds can be connected by the veins.In conclusion, to travel from the artery to the thumb and then back to the left ventricle, the red blood cell must pass through TWO CAPILLARY BEDS.
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Scientists have observed that the light emitted from faraway galaxies is shifted toward the red on the electromagnetic spectrum compared to similar galaxies that are closer. This is called a redshift. How does this data support the idea that the universe began with a period of rapid expansion and is continuing to expand? A. The redshift indicates the types of matter in the galaxies. B. The redshift indicates the age of the galaxies. C. The redshift indicates that the galaxies are moving away rapidly. D. The redshift indicates that the galaxies are getting closer together.
Answer:
C
Explanation:
answer: C. The redshift indicates that the galaxies are moving away rapidly
Conjugation differs from reproduction because conjugation
Answer:
Conjugation differ from reproduction because Conjugation transfer DNA horizontally to cells in the same generation.
Explanation:
Conjugation is a process of transfer of genetic material from one organism to another organism to direct contact.
An organism serve as the donor and transfer to another organism which is the receiver.
The donor carry DNA sequence called fertility factor. It transfer DNA horizontally to cells in the same generation. It is a type of genetic recombination that occur between two organisms.
Conjugation normally occur in bacteria.
Conjugation differs from reproduction in that it is a form of genetic recombination in bacteria where DNA is transferred between organisms. Reproduction, on the other hand, is a process where new organisms are generated.
Explanation:Conjugation differs from reproduction because it is not a process that results in the creation of new organisms. Instead, conjugation is a form of genetic recombination in bacteria where DNA is transferred from one bacteria to another. In contrast, reproduction, whether asexual or sexual, is a process where new organisms are generated. To illustrate, imagine two separate species of bacteria. During conjugation, a piece of DNA from one bacteria can be transferred to the other, causing a change in its genetic structure. However, this process doesn't result in a new organism, unlike reproduction where a single organism can divide (asexual reproduction) or two organisms can combine (sexual reproduction) to create new organisms.
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When the mRNA strand is being formed, what base matches up to adenine?
Answer:
Uracil
Explanation:
Transcription is the first stage of gene expression in a living cell and it involves the synthesis of a mRNA molecule using a DNA template. The process of transcription is carried out by an enzyme called RNA polymerase, which initially binds to the PROMOTER region of a DNA, unwind its double-helix and begins to add nucleotide bases to the growing RNA strand based on the nucleotides it reads on the DNA.
The basis of nucleotide addition by RNA polymerase is COMPLEMENTARY BASE PAIRING RULE, which states that Adenine (A) always pairs with Thymine (T) and Guanine (G) with Cytosine (C). RNA polymerase adds to the RNA strand, nucleotides complementary to the ones it reads on the DNA. Since, Uracil base replaced Thymine in the RNA molecule, RNA polymerase adds Uracil to the RNA strand, for every Adenine it reads on the DNA template.
which action is a reflex action?
A) Asking for coffee in a cold climate
B) Blinking when lights flashed in the eyes
C) Drinks water when thirsty
D) Swallowing food
E) Taking an exam
Answer:
B. Blinking when lights flashed in eyes
Explanation:
This is a reflex action because blinking when there is light in your eyes is a reflex to protect your eyes.
What is the volume of the golf ball? Cm3
Answer: it’s 40cm3
Explanation: just had that question
The volume of a typical golf ball is about 41.63 cm³. The Volume of golf ball is calculated by V = 4/3 (π) r³
What is golf ball?A round, spherical white ball, used to play golf is called golf ball. According to the rules of golf, a golf ball should have mass no more than 1.620 oz (45.9 g), has a diameter not less than 1.680 inches (42.7 mm).
There are two categories of golf ball:
recreational ballsadvanced ballsRecreational balls are oriented towards the golfer who has low swing speed, and have low prices than advanced balls. to calculate volume of golf ball, you can calculate the volume of a sphere by knowing its radius. To compute the volume of a golf ball, we take the radius of it and multiply it by the volume of a sphere. Formula to be used:
V = 4/3 (π) r³
Therefore, volume of typical golf ball is calculated by using V = 4/3 (π) r³.
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