exposure to the building material asbestos has been linked to certain types of cancers. Asbestos causes mutations in the P53 gene, which controls tumer expressions?
F.The mutation occured in gametic cells
G.The mutation occurred in somatic cells
H.The mutation is recessive
J.The mutation is Sex-linked
PLEASE HELP ME
Which of the following are forms of money? Select all that apply.
A. loans
B. goods
C. credit cards
D. banks
E. debit cards
F. checks
G. cash
True or False: Evolution can occur at the organismal level.
Plants that live just one year are known as
PLEASE ANSWER QUICKLY
After Dante catches the flu virus, he feels very tired and loses his appetite. His body aches and he gets a high fever.
Which best describes Dante's symptoms?
they are a response to an infection, which is an internal stimulus
they are a response to being tired, which is an external stimulus
they are a response to hunger, which is an internal stimulus
they are a response to an illness, which is an external stimulus
Answer:
They are a response to an illness
Answer:
a
Explanation:
Which statements correctly describe the grana and stroma?
Select two that apply.
A. Inside the outer membranes is a gel-like fluid known as the stroma.
B. Inside the outer membranes is a gel-like fluid known as the grana.
C. Stacks of thylakoid membranes are collectively called the stroma.
D. Stacks of thylakoid membranes are collectively called grana.
Answer:
Stacks of thylakoid membranes are collectively called grana.
Which best describes the lower body structures of humans and chimpanzees?
The big toes of humans and chimpanzees are enlarged.
The human foot has three arches, but the chimpanzee foot only has one.
Human knees are very mobile, but chimpanzee knees are stabilized by tendons.
The blades of the human pelvis are not rotated inward like those of the chimpanzee.
Answer:
B. The human foot has three arches, but the chimpanzee foot only has one.
Explanation:
On edge finished the quiz
The human foot has three arches, but the chimpanzee foot only has one. Therefore, option B is correct.
What is the difference between humans and chimpanzees?Humans have a significantly more developed brain, better motor control, and less body hair. The human brain's neural network has been found to be much more complex, and spindle neurons have also been discovered.
Nucleotide-for-nucleotide was discovered to differ from the human genome with which it was compared by roughly 1.23 percent. This equates to roughly 40 million changes in our DNA, with half most likely the result of mutations in the human ancestral line and the other half occurring in the chimpanzee line since the two species split.
The human foot has three arches, but the chimpanzee foot only has one. Therefore, option B is correct.
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what does hertzsprung-russell diagram display?
A.the distance between Earth and other stars.
B.who discovered each star.
C.temperature and luminosity of may stars
PLEASE HELP!! Much appreciated!
Answer:
The Hertzsprung-Russell Diagram is a graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature and evolutionary stage. Stars in the stable phase of hydrogen burning lie along the Main Sequence according to their mass.
Explanation:
The pigment molecules (chlorophyll) responsible for photosynthesis are located in the:
A) Mitochondrion
B) Cytoplasm of the cell
C) Stomata
D) Chloroplast
The parts of the brain that control breathing are the
O A. spinal cord and cerebellum
O
B. medulla oblongata and pons
C. cerebrum and cerebellum
OD. cerebrum and pituitary gland
This process occurs when the cell uses energy to bring something in from outside the cell.
6.) the process by which large molecules are expelled from a cell
Answer:
A cell uses a process called exocytosis to expel large molecules. The process is shown on the right. Note how the contents are packaged in a membrane bound vesicle which fuses with the cell membrane to expel its contents.
Answer:
A cell uses a process called exocytosis to expel large molecules
Explanation:
Which of the following lines
of poetry uses repetition
(repeated words)?
A. It only gives our wish for blue a whet.
B. Since earth is earth perhaps, not
heaven (as yet) -
C. Though some savants make earth
include the sky;
D. In here and there a bird, or butterfly,
Answer:
I wanna say b
Explanation:
since the word "earth" is said twice
Whales, humans, lizards, and birds each have forelimbs that are adapted for different functions, including swimming, using tools, walking, and flying. While different in function, these forelimbs share a similar skeletal structure of the humerus, radius, and ulna. How does a comparison of the forelimbs of these organisms provide evidence for evolution?
A. These homologous structures indicate that these four organisms all share a common ancestor.
B. These analogous structures indicate that whales are descended from organisms that lived on land.
C. These analogous structures indicate that these four organisms all experienced convergent evolution.
D. These homologous structures indicate that humans, whales, and birds all evolved from a lineage of lizards.
Answer:
B
Explanation:
I pretty sure it’s B
Answer:
A. These homologous structures indicate that these four organisms all share a common ancestor.
Explanation:
B and D do not apply here and both are too broad.
C is somewhat incorrect, but A can be scientifically proven.
The cells of all living things have a cell membrane, or protective layer, that covers the cell's surface.
A. True
B. False
hurry i'm in a test
Answer:
true
Explanation:
stop cheating
If we have a vegetarian person who needs 2,000 calories a day, how many calories must the plants they eat produce?
Select one:
2,200 calories
200,000 calories
2,000 calories
20,000 calories
Answer:
as a vegetarian im confused, wouldnt it be 2,000
Explanation:
Why are saber teeth analogous structures?
Answer:
Analogous structures are structures that are similar between animals but different due to years of evolution. Like bug wings and bird wings. Saber teeth are like this with lion teeth, elephant tusks, etc
Explanation:
Thylacosmilus, a marsupial has saber teeth. Smildon which is a mammal also has saber teeth. But they do not have any common ancestor. So saber teeth do not have similar origins but have the same function and are analogous structures.
What is meant by analogous structures?The features that are similar in function but do not necessarily have structural similarity are referred to as analogous structures. They are not derived from common ancestors. The homologous structures on the other hand have similar origins and have similar functions.
The canine teeth in mammals are called saber teeth. They are found on either side of the incisors and are present in both the top and bottom of the mouth. These teeth are used by mammals to tear the food apart. They are the most pointed of all the teeth.
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How was osmosis involved in causing Clark’s seizures?
Answer:
his molecules had to have went crazy in and out of his cells really fast to give him the seizure
Explanation:
because osmosis is what moves molecules in and out of the cells
Why is it important for there to be different species in an ecosystem? What would happen if all the species were the same? Explain why biodiversity matters.
Answer: Biodiversity is the variety of life, which is responsible for ensuring the balance of ecosystems around the world. It provides necessary goods such as food or oxygen, it provides raw materials that favor economic development, it produces energy that we use as fuel, and it is the origin of some medicines. If all animals in an ecosystem were of the same species, the balance would be lost.
Explanation:
An ecosystem is a set of living beings (of different species) that share the same habitat or biotope. There are first of all primary producers, those that are capable of producing organic matter from inorganic compounds. These organisms are autotrophs, such as plants. Then we find in the second step the consumers, heterotrophic organisms (herbivores, carnivores or omnivores) that feed on matter and energy produced by other living beings. And in the last link of the trophic chain of organisms that make up an ecosystem we find the decomposers, those that feed on dead organic matter. In this way, there are complex interactions between different organisms of different species.
Thus, biodiversity is the variety of life, which is responsible for ensuring the balance of ecosystems around the world. It provides necessary goods such as food or oxygen, it provides raw materials that favor economic development, it produces energy that we use as fuel, and it is the origin of some medicines.
If all animals in an ecosystem were of the same species, the balance described above would be lost. If they were all producers like plants, there would be no consumers to control the plant population. If they were all consumers, they would eventually run out of food. And if they were all decomposers, they would not have enough dead organic matter to feed on either. A greater number of species or biological diversity in an ecosystem makes it more resilient. Because species can absorb and reduce the effects of environmental changes on the overall structure of the ecosystem. In addition, they can reduce the chances of a change to a different state.
1) If you cross a mussel with dark, zebra-striped shells with a mussel with
solid light-colored shells, how many offspring would you expect to
have the dark, zebra-striped shells?
A) 0%
B)
50%
C) 75%
D) 100%
Answer:
C) 75%
Explanation:
I had it on usatestprep
Claim: Individuals in a population have genetic variations that can be passed on to their offspring. How could an organism's traits influence the survival rate of the population?
Answer:
If an animal has a certain trait that decreases it's fitness ( i.e. less likely to survive), it can lower the survival rate of that population. Verses a population with a trait that increases fitness ( i.e. More likely to survive) and would most likely increase the survival rate.
Explanation:
Write a 2 sentence summary about cellular respiration.
Answer:
I looked it up and this what it said
Explanation:
"Cellular respiration is the process in which cells break down glucose, release the stored energy, and use it to make ATP. The process begins in the cytoplasm and is completed in a mitochondrion. Cellular respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport."
Cellular respiration can be summarized as:
What is cellular respiration?Cellular respiration is the mechanism by which living cells break down glucose molecules and release energy in the form of ATP molecules.
Energy coupling can be seen in cellular respiration.
Glucose is broken down in an exothermic reaction and the energy released powers the endothermic reaction of ATP generation.
Glycolysis, the TCA cycle, and the electron transport chain are the three steps of cellular respiration.
From one molecule of glucose, 38 molecules of ATP are created in all three stages of cellular respiration.
(Glucose) C6H12O6 + 6O2 → 6CO2 + 6H2O Chemical Energy (in ATP)
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Food gives the body energy, which helps the body maintain homeostasis. In the morning, an athlete eats a nutritious breakfast to get energy to exercise.What are the main organ systems involved in the process of food from the athlete's breakfast being broken down into nutrients and then delivered to the cells?
Answer:
the functions of the endocrine system are intricately connected to the body's nutrition.
Explanation:
Can somebody please answer this quickly?pleaseeee
Answer:
C I HOPE THIS HELPS I mean it
Explanation:
Hormone that increases the size of the Graafian follice
List the three parts of the cell cycle.
Answer:
The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA (synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage). The stages G1, S, and G2 make up interphase, which accounts for the span between cell divisions.
Explanation:
there are ____chromosomes in a normal human sex cell and There are_____chromsomes in a normal human somatic
Sewage sludge (biosolids) removed from a municipal wastewater treatment plant is a mixture of organic material and water. Research and explain why the incineration of sewage sludge may require more energy than it produces. Explain why people may be reluctant to use biosolids as a fertilizer for food crops.
Hey love! <3
Answer:
Sewage systems are used all around the world transferring waste to treatment plants where they are filtered and traded in for organic material. If the sluge were to be incinerated it could be repurposed, however the gas used to burn the sewage waste comes from condensing saturated fuel oil and requires 195 SCM of natural gas to successfully complete the chemical transfer. That's a lot of energy, and the natural process costs plenty more then what you're getting in returns. Through the process toxins can develop inside of the incinerated waste which could poison crops and animals, studies also show the process can release carbon monoxide into the air. To conclude it's called sewage waste for a reason, what goes down should stay down instead of putting what we eat and inhale at stake.
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The incineration of sewage sludge may require more energy than it produces because of the high cost of energy.
Municipal wastewater treatment plants are estimated to consume more terawatt hours per year of electricity, which equates to about billions in annual electric costs. That's a lot of energy, and the results show that wastewater sludge able to produced up to 44.82 ml biogas/kg of sludgePeople may be reluctant to use bio solids as a fertilizer for food crops.
because:-
One health risk with the land application of bio solids is the potential exposure to pathogens (disease causing organisms)One of the risk is that the bio solids may contain chemicals that are directly toxic in small concentrations or doses.What is sewage sludge?Sewage sludge is a product of wastewater treatment.
Wastewater enter the sewage system and flow into wastewater treatment facilities, where the solid wastes are separated from the liquid wastes through settling.It form Bio solids.To know more about Sewage sludge here
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Do secondary consumers eat seed but not leaves. true or false
Answer: Secondary consumers mainly eat primary consumers and can be either carnivores or omnivores. This means that they can eat both seed AND leaves. This leading to be false.
Explanation:
How do mammals conserve their heat?
Answer:
with hair or fur
Explanation:
All mammals are endothermic. They conserve body heat through their hair and fur.
What are endothermic animals?Those animals that can regulate their body temperature are known as endothermic or warm-blooded animals. They can survive even when the temperature fluctuates during seasonal changes. They can live in various climates.
When the body temperature of a mammal increases too high then this condition is called hyperthermia, and body temperature reduces too low, then it is called hypothermia.
Hypothalamus is a part of the brain that maintains the temperature of the body, it is responsible for heat production and heat loss. In mammals, heat generates during cellular metabolism. This process is called thermoregulation.
Hence, this is how mammals conserve their body heat.
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