Answer:True
Explanation: The process of breaking the hydrogen bonds between the nucleotides of the double helix strand of the DNA requires energy.
Humans are classified into what group of mammals because their developing embryo grows within the mother before a live birth?
Humans belong to the group of mammals known as placental mammals, because the developing embryo grows within the mother before a live birth.
Placental mammals are any of a group of mammals in which the embryo and later the fetus, is nourished in the uterus by an organ called the placenta. The placenta is an organ that attaches the embryo to the uterine wall and is the site of exchange between the mother’s and the fetus’s blood in order to provide nourishment to the developing fetus.
Placental mammals are the most highly evolved group of mammals and include monkeys, apes, and humans. In contrast to other mammals, such as marsupials whose embryos are nourished in the uterus for a short time before being born, placental mammals develop within the mother until they are fully developed. This prolonged period of development in the mother gives the fetus time to fully develop its organs and to grow to a larger size before birth.
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Please answer all and make sure they are correct!!!!!!!! 50 POINTS
I know its a lot sorry..... :(
---------------------------------------------------------------------------------------------------------------------Name all the Five Extinctions.
When did they happen?
What are the causes?
What are the top three groups that became extinct?
What is a coal gap?
What is a coral gap?
Which is the biggest extinction?
How many years did it take for the ecosystems to recover after the Permian Triassic Mass Extinction?
Which mass extinction is the briefest among all five mass extinctions?
How big was the hole created by the asteroid when it hit the earth?
Which mass extinction had the biggest deep ocean extinction?
----------------------------------------------------------------------------------------------------------------------------
!!!!! 50 POINTS !!!!!! !!!!! 50 POINTS !!!!!! !!!!! 50 POINTS !!!!!!
Please make sure your answer is correct!! Thank you.
Ordovician end (444 million years ago; mya), Devonian, late (360 mya), Final Permian (250 mya), People frequently confuse the end of the Triassic period (200 mya) for the extinction of the dinosaurs.
What is mass extinction?
End of the Cretaceous (65 million years ago), the dinosaur extinction catastrophe. The primary reason for contemporary extinctions is habitat destruction.
Permian and the beginning of the Triassic periods, some 250 million years ago, Earth went through its worst environmental catastrophe ever.
The crater's diameter and depth are estimated to be 180 kilometers (110 miles) and 12 miles.
Therefore, around 252 million years ago, the end of the Permian epoch was marked by the greatest extinction in Earth's history.
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The following list describes a certain set of objects in our solar system.
no solid surfaces
thick atmospheres
many rings and many moons
Which is the most likely set of objects described by this list?
The correct answer would be inner planets, Terrestrial planets is another name for the inner planets.
What are inner planets?There are a total of eight planets in our solar system. The outer planets and the inner planets are two other major groups into which planets can be divided. Earth, Mercury, and Mars are considered inner planets since they are situated within the asteroid belt (region of asteroids between Mars and Jupiter). Furthermore, because they are made of minerals and metals, inner planets differ from other planets in terms of their composition. These planets are also referred to as terrestrial planets because of their makeup.
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Does Mars have seasons? Explain how you know.
How did Kai acquire NF1? How likely is it that the Rossis will have another child with NF1?
Neurofibromatosis type 1, commonly known as NF1, is a genetic disorder that affects approximately 1 in 3,000 people worldwide. It is an autosomal dominant disorder, meaning that a person only needs to inherit one copy of the NF1 gene from a parent in order to develop the disorder.
Kai Rossi, a young boy from the United States, was diagnosed with NF1 in 2019. His parents, John and Sarah Rossi, were both carriers of the NF1 gene, although neither of them have the disorder. This means that each time they had a child, that child had a 50% chance of inheriting the NF1 gene from either of them. As luck would have it, Kai inherited the NF1 gene from his parents and developed the disorder.
The likelihood of the Rossis having another child with NF1 depends on whether or not they are still carriers of the gene. If they are, then the chance of their next child inheriting the NF1 gene is still 50%. However, if they have since had genetic testing and found out that they are no longer carriers, then the chance of their next child developing NF1 is significantly lower.
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When dissecting a mammalian kidney in your lab, what is recommended plane of section to view the majority of the internal structures
When dissecting a mammalian kidney in your lab Coronal plane is recommended plane of section to view the majority of the internal structures.
In vertebrates, the kidneys are two reddish-brown, bean-shaped organs. They are situated on the left and right sides of the retroperitoneal region. Blood enters them through the paired renal arteries, and it leaves through the paired renal veins. A ureter, a tube that transports expelled urine to the bladder, is connected to each kidney.
The kidney takes involved in the regulation of toxin elimination, fluid osmolality, acid-base balance, various electrolyte concentrations, and volume of various body fluids.
Anatomically, the body is divided into dorsal and ventral parts by the coronal plane. It is parallel to both the transverse and sagittal planes.
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A current-carrying wire is positioned vertically. The current in the wire is moving upward. If you move a compass slowly around the wire, how would the direction of the compass needle change?
A.
The compass always points in the same direction.
B.
The compass needle would rotate clockwise.
C.
The compass needle would rotate counterclockwise.
D.
The compass needle would spin erratically.
what organelle stores water in the plant cell
Answer: Vacuoles
Explanation:
Answer:
VacuolesExplanation:
A vacuole is the storage area of the cell. Vacuoles store water, food, and waste.~hope this helps, Have a good rest of your weekend ! :)If red hair requires 2 copies of a gene to show, what type of allele is red hair?
A. Recessive
B. Dominant
Answer:
a. recessive
Explanation:
Usually, If there is a dominant gene allele, you can have just one of a dominant gene and it will still show. Knowing that you needed two copies, the red hair is most likely a recessive allele.
Answer:
A is your answer
Explanation:
Which of the following sources of information always includes articles that have been reviewed by scientists who are experts in fields relevant to the
published articles?
A. Scientific journal
B. Newspaper
C. Magazine
D. Radio
HELP PLEASE!!
Identify the types of biodiversity AND explain why biodiversity is important.
Pls no links
Answer:
Here to help!
Explanation:
Species diversity, genetic diversity, ecosystem diversity, functional diversity. biodiversity. the variety of the earth's species, the genes they contain, the ecosystems in which they live, and the ecosystem processes of energy flow and nutrient cycling that sustain all life! Biodiversity boosts ecosystem productivity where each species, no matter how small, all have an important role to play. For example, a larger number of plant species means a greater variety of crops; greater species diversity ensures natural sustainability for all life forms; and healthy ecosystems can better withstand and recover from a variety of disasters.
Your cells need sugar to create energy and survive and they get sugar from the food you eat. Once your food is digested, sugar molecules travel through the bloodstream and then will be transported into your cells. Diffusion only allows sugar to be transported into a cell until it reaches equilibrium so how can your cell bring in even more sugar after it has reached an equilibrium
A cell uses a variety of procedures to turn carbohydrates into energy. The initial and most fundamental one is known as glycolysis. Hexose sugars are used to fuel it. This lengthy procedure only expels a modest quantity of energy.
The energy needed by your body to function comes from glucose. The body receives glucose from the consumption of carbs. You get four calories of energy from every gramme of carbohydrates you eat. When you consume carbs, your digestive system uses specialised enzymes to convert them into glucose, a type of simple sugar.
Function of sugar in the body The body uses carbohydrates as fuel to produce energy.
Foods high in carbs are converted by the body into glucose, which can then travel through the bloodstream. For the brain, central nervous system, and red blood cells to operate properly, some glucose is required.
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Assume that a new species of fish has been discovered deep in the ocean. It has a complete vertebral column made of cartilage. Which class should the new species be placed in? Name one other trait you would expect to find in the new species of fish. Explain your answers.
Assume that a new species of fish has been discovered deep in the ocean. It has a complete vertebral column made of cartilage therefore the class which the new species will be placed in is Chondrichthyes and also have cartilaginous endoskeleton.
They are referred to as a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage and examples include sharks, whales etc.
They usually have a pair of jaws and are found in marine environment. the presence of calcium salts in this type of environment is what gives rise to them having cartilages as their vertebral column and endoskeleton which are the features present in fishes under this class and is therefore the reason why it was chosen as the correct choice.
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Which two elements are
mainly found in the inner
and outer core?
The membrane-bound compartment indicated by structure D contains which of the following?
O ribosomes O oxidases and catalases O hydrolytic enzymes O nucleic acids
The membrane-bound compartment indicated by structure D contains is d)nucleic acids.So,correct option is d.
Nucleic acids are biopolymers, macromolecules, vital for all known types of life.[1] They are made out of nucleotides, which are the monomers made of three parts: a 5-carbon sugar, a phosphate bunch and a nitrogenous base. The two fundamental classes of nucleic acids are deoxyribonucleic corrosive (DNA) and ribonucleic corrosive (RNA). On the off chance that the sugar is ribose, the polymer is RNA; assuming the sugar is the ribose subordinate deoxyribose, the polymer is DNA.
Nucleic acids are regularly happening engineered combinations that go about as the fundamental information passing on particles in cells and make up the genetic material. Nucleic acids are found in flood in each and every living thing, where they make, encode, and subsequently store information of every single dwelling cell of every single life-structure in the world.
Hence, correct option is d.
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(Complete question) is:
The membrane-bound compartment indicated by structure D contains which of the following?
a)ribosomes
b)oxidases and catalases
c)hydrolytic enzymes
d)nucleic acids
What type of natural resource can be replenished naturally over time?
A. Renewable resources
B. Non-renewable resources
C. Industrial resources
D. Fossil fuels
A cement factory emits 900 kilograms of CO2 to produce 1,000 kilograms of cement. A fully grown tree removes six kilograms of CO2 per day from the air. One acre of land can support 200 mature trees.
A company builds a factory that will produce 100,000 kilograms of cement. To make the factory carbon neutral, the owners need to grow
15000
trees over an area of land measuring
acres.
The land area in acres that can support 15000 trees is 75 acres.
What area of land can support 15000 trees?The land area in acres that can support 15000 trees is calculated as follows:
mass of CO₂ emitted by a cement factory emits to produce 1,000 kilograms of cement = 900 kilograms of CO₂
A fully grown tree removes six kilograms of CO2 per day from the air.
One acre of land can support 200 mature trees.
Since the owners need to grow 15000 trees, the area of land required will be:
The area of land required = 15000 trees * 1 acre / 200 trees
The area of land required = 75 acres
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Why are light intensity, carbindioxide concentration and temperature are limiting factors?
Answer:
As carbon dioxide concentrations increase, so too does the rate of photosynthesis until a certain point where the graph levels off. At lower carbon dioxide concentrations carbon dioxide is the limiting factor because an increase in carbon dioxide causes an increase in photosynthesis.
Explanation:
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Nutrients and ions can pass directly from cell to cell through special membrane junctions known as ________.
Nutrients and ions can pass directly from cell to cell through special membrane junctions known as gap junctions.
Gap junctions are structures composed of transmembrane proteins that enable communication between cells. They are found in most animal cells and play a critical role in the coordination of cellular activities.
Gap junctions are important for maintaining homeostasis in the body. They allow for an exchange of ions, metabolites, and other molecules between cells. This process helps to maintain a balance of nutrients and ions throughout the body. Gap junctions are also involved in the coordination of cellular activities such as cell growth, differentiation, and cell migration.
Gap junctions are composed of two connexons, or hemichannels. The connexons are composed of six transmembrane proteins, referred to as connexins. The connexins form a channel between the two cells, allowing for the exchange of small molecules and ions. The connexons can open and close in response to a variety of external and internal signals, allowing for a tightly regulated exchange of materials.
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Which of the following statements is true?
a) The world's population is equally distributed.
b) Over 90% of population growth occurs in rural areas.
c) Almost one-third of the world's population has limited access to clean water.
d) The most populous countries are the United States and China.
20 points
Over 90% of population growth occurs in rural areas.
What is Population?
The term "population" refers to all citizens who are either permanently residing in a country or who are just passing through. This indicator reveals how many people typically reside in a certain area.
Growth rates are the population changes that occur each year as a result of births, deaths, and net migration.
The total population also includes national military forces deployed overseas, merchant mariners at sea, diplomatic staff based abroad, civilian foreign nationals residing in the nation, and internally displaced people residing in the nation.
Therefore, Over 90% of population growth occurs in rural areas.
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Escribe al frente de cada uno de los siguientes ejemplos, el tipo de adaptación al que corresponden.
Las personas que viven en zonas altas producen una mayor cantidad de glóbulos rojos. __________
Las flores tienen colores vistosos para atraer los insectos. __________
La rana Dendrobates azul, pequeño anfibio de la selva tropical suramericana, produce una exudación cutánea muy
venenosa contra sus enemigos. _________
Las sepias, una especie de calamar, cuando van a aparearse cambian el color de su piel de rojo a un tono más brillante
y atigrado. __________
Los reptiles regulan su temperatura mediante el desplazamiento de lugares de sol a los de sombra. _______
POR FAVOR ES URGENTE!!!
DOY CORONA AL Q ME AYUDE
Answer:
Rana y elefante marino guala☺☺☺☺☺☺☺☺☺☺☺
Explanation:
kndjd
what is diffusion? and what is osmosis?
Answer:
Osmosis is the movement of solvent particles across a semipermeable membrane from a dilute solution into a concentrated solution.
Explanation:
Diffusion is the movement of particles from an area of higher concentration to lower concentration. The overall effect is to equalize concentration throughout the medium.
HELP ASAP!! WILL GIVE BRAINLIEST + 100 PTS!!! NEED HELP NOW.
Answer: look that junk up
Explanation:
How might a mutation affect the active site of an enzyme?
A mutation that occurs in a region of the DNA that codes for an amino acid sequence found in the active site of an enzyme can change the folded morphology of the active site and its affinity for its substrate.
Large regions of DNA can replicate when there is a mutation, usually as a result of genetic recombination. Animal genomes duplicate tens to hundreds of genes per million years, creating a significant genetic resource for the generation of new genes. The bulk of genes can be classified into bigger gene families that share an ancestor using sequence homology. The procedures that most typically result in novel genes are the duplication and mutation of an ancestral gene or the recombination of segments from several genes to create new combinations with novel functions. When connected, protein domains work as modules, each with a distinct purpose, to create genes that code for new proteins with unusual features.
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should clean water be classified as a renewable or nonrenewable resource? Could it be both? Explain
Answer:
Water evaporates from the Earth's surface and goes up into the atmosphere where it condenses. So while water can be considered renewable given its natural life cycle, in our daily life we should consider it a precious and limited resource.
Explanation:
Answer:
Water evaporates from the surface of the Earth and rises into the atmosphere, where it condenses. So, while water can be considered renewable due to its natural life cycle, we should consider it an important and valuable resource in our daily lives. Water, whether drinkable or not, is renewable. It can be naturally cleaned by the water cycle and made drinkable again. Furthermore, water is a renewable energy source.
Explanation:
Name each organic compound
Answer: sorry i acidentally answered ur question TT u can report me po
Explanation:
which type of consumer eats only producers
Answer:
herbivores
Explanation:
Primary consumers make up the second trophic level. They are also called herbivores. They eat primary producers—plants or algae—and nothing else.
The BRCA genes produce DNA repair proteins. Genetic testing is available that can determine if a person has a mutation in the BRCA genes that makes the proteins less able to function. What is the result of a BRCA mutation
A BRCA gene mutation is an alteration in the genes that produce the proteins responsible for DNA repair. These proteins are essential for maintaining the integrity of the cell’s DNA and for preventing cancer.
The presence of a BRCA mutation increases the risk of developing certain types of cancer, such as breast, ovarian and prostate. Women with a BRCA mutation have up to an 85 percent risk of developing breast cancer, and up to a 60 percent risk of developing ovarian cancer. Prostate cancer is more likely to affect men who have a BRCA mutation.
A BRCA mutation can also be inherited, meaning that it can be passed from one generation to the next. Genetic testing is available to determine if a person has a BRCA mutation, and if so, to identify the specific mutation. This information can help to inform decisions about cancer screening and preventive measures.
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Explain why respiratory surfaces must be moist
Answer:
In animals, the process of respiration is aerobic respiration, exchange of gases takes place ( carbon dioxide leaving the cell, oxygen entering)
Single cellular organisms can exchange gases directly across their cell membrane through the process o diffusion.
Large animals cannot maintain gas exchange by diffusion across their outer surface. A respiratory surface is covered with thin, moist epithelial cells that allow oxygen and carbon dioxide to exchange. Those gases can only cross cell membranes when they are dissolved in water or an aqueous solution, thus respiratory surfaces must be moist.
Explanation:
Answer:
so that carbon dioxide and oxygen can exchange
Explanation:
Those gases can only cross cell membranes when they are dissolved in water or aqueous solution.
The greater tubercle of the humerus is more ______ than the lesser tubercle.
The humerus' greater tubercle is more medial than its smaller tubercle. It is positioned posterolateral to the humerus' lesser tubercle and laterally to the humerus' head. At the posterolateral side of the shoulder, one may feel the larger tubercle, which is the humerus' most lateral bony point.
Which tubercle is more medial, the greater or smaller one?Even though it is smaller, the lesser tubercle is more noticeable than the greater one since it is located in front and faces medially and forward.
What is the humerus' larger tuberosity?Two the rotator cuff muscles join to the greater tuberosity, a "bump" of bone near the top of a humerus. Because of this relationship, a fracture may also affect how well the rotator cuff functions.
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