Answer:
when i first read this i thought it said penis
Explanation:
GIVE ME ATTENTION
Answer:
They use different technological devices to measure caves at the Yucatan Peninsula.
Explanation:
Background Reading:
Human presence on the Yucatán Peninsula reaches back to the Late Pleistocene. Osteological evidence comes from submerged caves and sinkholes (cenotes) near Tulum in the Mexican state of Quintana Roo. Here we report on a new skeleton discovered by us in the Chan Hol underwater cave, dating to a minimum age of 9.9±0.1 ky BP based on 230Th/U-dating of flowstone overlying and encrusting human phalanges. This is the third Paleoindian human skeleton with mesocephalic cranial characteristics documented by us in the cave, of which a male individual named Chan Hol 2 described recently is one of the oldest human skeletons found on the American continent. The new discovery emphasizes the importance of the Chan Hol cave and other systems in the Tulum area for understanding the early peopling of the Americas. The new individual, here named Chan Hol 3, is a woman of about 30 years of age with three cranial traumas. There is also evidence for a possible trepanomal bacterial disease that caused severe alteration of the posterior parietal and occipital bones of the cranium. This is the first time that the presence of such disease is reported in a Paleoindian skeleton in the Americas. All ten early skeletons found so far in the submerged caves from the Yucatán Peninsula have mesocephalic cranial morphology, different to the dolicocephalic morphology for Paleoindians from Central Mexico with equivalent dates. This supports the presence of two morphologically different Paleoindian populations for Mexico, coexisting in different geographical areas during the Late Pleistocene-Early Holocene.
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cafeology
Explain how photosynthesis and cellular respiration are cyclic processes
uncontrolled cell division can lead to the formation of masses of cells that can remain in place called ____ tumors or ones that can move called ___ tumors
Answer:
Uncontrolled cell division can lead to the formation of masses of cells that can remain in a place called primary tumors or ones that can move called metastatic tumors.
Explanation:
The term primary tumor refers to the original tumor, a place where the tumor first appeared.
Metastatic tumors are tumors that appear in other organs and originate from the primary tumor. Tumor cells can break away from the primary tumor and travel to other locations in the body through the blood or lymph system and form new tumors. This is how metastatic tumors appear.
For example, a brain tumor is a primary tumor if it first appeared in the brain. A metastatic brain tumor is a tumor that appeared in another organ and then spread to the brain.
Compared to developing nations, developed nations have
.
If more oxygen were made available to cells that had a limited amount of oxygen, what could be the result? Select all that apply.
A.
Anaerobic respiration could occur more quickly.
B.
The cells could begin to perform aerobic rather than anaerobic respiration.
C.
The cells could begin to perform anaerobic rather than aerobic respiration.
D.
The cells’ mitochondria could become involved in the cellular respiration process.
Answer:
B and D
Explanation:
I took the quiz
Describe three levels of biodiversity
The three levels of biodiversity are genetic diversity, species diversity, and ecosystem diversity.
Genetic Diversity: Genetic diversity refers to the variety of genes within a species. It includes the different alleles and variations present in the gene pool of a population. Genetic diversity is important because it provides the raw material for adaptation and evolution. A higher genetic diversity within a species increases its ability to survive and thrive in changing environments. It also helps in disease resistance and overall population health.
Species Diversity: Species diversity refers to the variety of different species present in a particular area or ecosystem. It measures the number of different species and their relative abundance. Higher species diversity indicates a healthier ecosystem and greater ecological resilience. Each species plays a unique role in the ecosystem and contributes to its stability and functioning. Loss of species diversity can disrupt ecosystem balance and lead to negative impacts on other species and ecosystem processes.
Ecosystem Diversity: Ecosystem diversity refers to the variety of different ecosystems or habitats within a region or on a global scale. It encompasses the different types of ecosystems such as forests, grasslands, wetlands, coral reefs, and more. Each ecosystem has its own set of species, interactions, and ecological processes. Ecosystem diversity is essential for maintaining ecological functions, nutrient cycling, and providing various ecosystem services such as clean air, water, and food. It also supports the resilience and adaptability of ecosystems to environmental changes.
These three levels of biodiversity are interconnected and mutually dependent. They provide the foundation for the functioning and sustainability of our planet's ecosystems. Protecting and conserving biodiversity at all levels is crucial for the well-being of both human populations and the natural world.
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HELP ME OUT PLEASE!!
Answer:For number three it is summer
Explanation:
Fungi reproduce by:
mitosis
spores
vegetative reproduction
seeds
fungi reproduce by spores
Answer:
Spore Formation
Explanation:
Fungi reproduce asexually by :
BuddingFragmentationFormation of sporesThe most common mode of asexual reproduction is through the formation of asexual spores (produced during mitosis)
¿Qué moléculas orgánicas tienen como función formar parte de las membranas celulares?
Answer:
lípidos (fosfolípidos y colesterol)
Explanation:
Las membranas celulares están formadas principalmente por fosfolípidos, los cuales son lípidos compuestos por una molécula de glicerol con dos ácidos grasos unidos y un grupo fosfato. Los fosfolípidos se disponen formando una bicapa, dentro de la cual los grupos fosfatos (con mayor afinidad por el agua, es decir hidrofílicos) se orientan hacia el exterior celular y hacia el interior de la célula, mientras que las colas de ácidos grasos (hidrofóbicas, por lo que tiene mayor afinidad por sustancias no polares) se encuentran en la parte interna. Además, la membrana posee otro lípido: el colesterol, el cual tiene como principal función la regulación de la fluidez de la membrana.
Differences between prokaryotic cells and eukaryotic cells
Answer:
eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.
Explanation:
Eukaryotes have many membrane-bound organelles while prokaryotes have no membrane-bound organelles.
I NEED HELP!!!!!!!!!!!!
ILL MARK BRAINLIEST!
THANK YOU SO MUCH!
Answer:Gully
Explanation:Search up a gully and you will see :/
James is working with the lac operon of Escherichia coli (E. coli). He places the bacteria on a plate of growth media.
The lac Operon of E. coli is shown.
Based on the current understanding of this operon, which hypothesis would be useful for James to test?
Addition of allolactose to the bacterial growth media should increase the speed at which the bacteria metabolize the sugar lactose.
Removal of the RNA polymerase molecule should increase the amount of bacterial growth on the plate.
Decreasing the amount of allolactose in the bacterial growth media should increase the rate of bacterial growth.
Increasing the rate at which RNA polymerase acts will inhibit bacterial growth.
Answer:
Addition of allolactose to the bacterial growth media should increase the speed at which the bacteria metabolize the sugar lactose.
Explanation:
right on edg 2020
Answer:
A
Explanation:
what is the backbone of RNA made out of?
Answer:
Explanation:
It has a deoxyribose and phosphate backbone having four distinct bases: thymine, adenine, cytosine, and guanine. Is a polymer with a ribose and phosphate backbone with four varying bases: uracil, cytosine, adenine, and guanine.
A machine that converts thermal energy into mechanical energy is a
Answer:
Devices used to convert thermal energy to mechanical energy are called heat engines.
The answer is heat engines.
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so sorry , i will give whoever does all of these brainlist . :)
1. constant speed is a steady speed from start to finish, instantaneous is not constant from start to finish.
2. The average speed of the marble is 5 m/s (meters per second).
3. Rider 1 will arrive at the destination before Rider 2.
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Michaela spend the day at the lake with some friends. She spends some time exploring the lake as she looks around she notices that there are plants only in certain areas where would she see plants growing? Why?
Answer:
She would mostly see plants grow around the banks of the lake. In addition, she might see some plants growing in the lake. The plants are majorly aquatic plants. The ones on the banks are emergent plants because their roots are submerged in water and their foliage is above water. They grow on the shores because it shallow there. Free-floating aquatic plants may grow in the lake because they are suspended on the water surface with their roots just floating underneath the water surface.
Describe the carbon atom:
O A clump of carbon
O A sole carbon particle
(choose one and explain it)
Explanation:
1.(from Latin: carbo "coal") is a chemical element with the symbol C and atomic number6. It is nonmetallic and tetravalent—making fourelectrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table.[13] Carbon makes up only about 0.025 percent of Earth's crust.[14] Three isotopesoccur naturally, 12C and 13C being stable, while14C is a radionuclide, decaying with a half-lifeof about 5,730 years.[15] Carbon is one of thefew elements known since antiquity.[16]
2.
4 requirements to start a new population
Umm.. What is the answer then please help
Answer:
I think C and D
hope it helps!
Sohan was a very active and a social child. He used to come forward for anybody help. One day he attended a blood donation camp and was ready to donate blood, but his blood test was done and he was HIV+ve. Therefore he was very upset and lost his interest in all activities and remained absent from school for long time. Rajiv, his friend met him and counselled him.He (Sohan) was back at school. a) What sense of responsibility did Rajiv show? b) A HIV+ve person should be isolated. Do you agree with this statement. Justify your answer?
Explanation:
(a) After vis friends comforted him he went back to school.
(b) No. HIV can only be caught by another person of they come in contact with your blood or through sexual intercourse. So it is not possible for others to become infected if they didn't come in contact with the person's blood or have unprotected intercourse. There is no reason for a HIV+ve person to isolate themself from the outside world. They are people just as we are but they only have something that can cause them to be really sick.
Which of the following pairs of vertebrate groups are most like each other (share the most characteristics)? Circle your choice.
The correct answer is c.Amphibians and reptiles. An example of similarity between the two classes of vertebrates is the presence of a heart with three chambers
How does the force of friction affect the motion of objects?(2 points)
It causes the object to change direction.
It causes the object to create heat energy.
It causes the object to create kinetic energy.
It causes the object to slow down or stop.
Answer:
It causes the object to slow down or stop.
Explanation:
Friction is a unknown force pressing against another force slightly, making the moving object slow down.
Hope I help :)
The bases in DNA that can pair together are called;
A.
Complementary bases
B.
Purines
C.
Nucleotides
D.
Pyrimidines
Answer:
A. Complementary bases.
Explanation:
i think im right...
Answer:
A
Explanation:
Its complementary because the other 3 are all singular, and A is a pair of 2, so from that alone you know its the answer. But additionally, since they can pair together, they are complementary.
2. If a healthy individual suddenly had their receptors for Insulin change shape, what would happen to their blood
sugar levels?
Answer:
if this means the person is suddenly diagnosed with diabetes, it would mean there levels would go up. (I am a type 1 diabetic)
Jingle bells, jingle bells
Jingle all the way
Oh, what fun it is to ride
In a one horse open sleigh
Answer:
dashing through the snow:)
Explanation:
What are four the main causes of erosion?
A. freezing, hydration, oxidation, salt crystallization
B. wind, water, ice, gravity
C. biological, chemical, mechanical, subterranean
Answer:
A
Explanation:
i just did it on edge
Answer:
B
Explanation:
water is the main reason, and being thats the only answer with water its obvious
How is energy released from a molecule of ATP?
Help!!
Explanation:
ATP stands for Adenosine Triphosphate. It is the compound by which energy is stored and transferred in a cell.
It is made up of a nitrogenous base, the sugar and three phosphate groups.
The compound is produce as a product of photosynthesis and use to store energy.Energy is produced from this compound in the following steps,
a cell in need of energy spends the ATP currencyfrom the three phosphorous groups attached to the tail, one is split of.ATP then becomes ADP, Adenosine Di- phosphateit is the energy holding the phosphate group that is released and is used by the body.Write a few sentences about how being small helps cells survive, and being made of many small cells help large organisms maintain homeostasis?
Answer:
It is important for the cell to be able to bring necessary nutrients immedriately where it needs to and to be able to dispose of harmful byproducts of the cell process. It is equally important to be able to regulate water concentration.
Answer:
For the first question, you have to first understand how cells work. Cells transport nutrients and water through their cell membrane, and it's their only way of transporting things they need in and out of their interior. Hence, a larger surface area would be best for cells to survive.
You might ask, but then why wouldn't it be better for cells to be bigger if a larger cell membrane is beneficial to their survival? After all, as the cell gets bigger, their cell membrane gets bigger too!
Unfortunately, you'd be forgetting one thing: the insides of the cell, otherwise known as the volume of the cell, grows too. So, it becomes a mathematical question at this point: imagine a cube. If you doubled it's side length, your surface area would grow by 4 times ([tex]2x \cdot 2x = 4x^{2}[/tex]), and your volume would grow by 8 times! ([tex]2x \cdot 2x \cdot 2x = 8x^{3}[/tex])
Hence, if the cell got bigger, it's volume would grow faster than the surface area, and the cell would start to build up carbon dioxide and other waste materials.
This is the main reason why being small helps cells survive. Of course, there are many other reasons, like compactness, efficiency and survivability, but this is the main reason.
Of course, if you're smart, you'd have already discovered one thing: this is exactly the reason for your second question as well. Since a large organism being made of one or few large cells would greatly decrease surface area-to-volume ratio, the efficiency would plummet and the large organism would die. Hence, many small cells would help large organisms maintain homeostasis.
Explanation:
Hope this helped!
Part A
What is the central idea in the Newsela article "Joseph Campbell and the Hero's Journey"?
Campbell's theories have made an impact on artists and musicians.
Campbell has several famous friends in Hollywood.
Campbell has the ability to predict the end of a story.
Campbell's theories have had a strong effect on film and TV.
Question 2
Part B
Which quote best supports the answer to Part A?
"The book ["The Writer's Journey"] adapts Campbell's 17-stage monomyth into a 12-stage model for writing the hero's journey in film."
"The journey usually includes a symbolic death and rebirth of the character."
"Campbell's writing was influenced by many historical figures. Among them were James Joyce, Thomas Mann, Pablo Picasso, Sigmund Freud and Carl Jung."
"In 1983, Lucas invited Campbell to California to watch his 'Star Wars' trilogy."
Answer:
part a is number 1 and part b is number 3
Explanation:
because
Answer:
For part A it is D. Campbell's theories have had a strong effect on film and TV.
Part B it is A. "The book ["The Writer's Journey"] adapts Campbell's 17-stage monomyth into a 12-stage model for writing the hero's journey in film."
Explanation:
I took the test first I got it wrong but now I know not to do it again
What happens during metaphase.
Answer:
During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war." The chromosomes, which have been replicated and remain joined at a central point called the centromere, are called sister chromatids.
Explanation:
Hope this helps :)
7. This type of organism consists of a group of cells, but there is no specialized relationship between the cells. (a) unicellular (b) multicellular (c) colonial (d) specialized.
it should be B 100% on that
A type of organism which consist of a group of cells without a specialized relationship between the cells is: (c) colonial.
A cell can be defined as the fundamental functional, structural and smallest unit of life, which is typically found in all living organisms.
Basically, all living organisms are broadly divided into two (2) main categories according to their cell type and these are;
Unicellular organisms: these are living organisms with a single cell.Multicellular organisms: these are living organisms that have multiple cells.On the other hand, a colonial organism refers to an organism that comprises a group of cells that do not have a specialized relationship between them. Thus, colonial organism are made up of connected, interdependent group of cells.
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