Answer:
Preventing natural evolution
Which was Venter’s contribution to science?
Answer: Craig Venter was a geneticist who led the first draft sequence of the human genome.
an organism that can make its own food
103
35. Wayne took out a box of ice cream from the freezer. He saw mist forming above the box.
$$
mist
ice cream
box of ice cream
a) Explain how the mist was formed,
Answer:
Mist is tiny droplets of water hanging in the air. These droplets form when warmer water in the air is rapidly cooled, causing it to change from invisible gas to tiny visible water droplets. Mist often forms when warmer air over water suddenly encounters the cooler surface of land.
Which geochemical cycle is least likely to be affected by global warming?
OA. Nitrogen cycle
OB. Water cycle
OC. Oxygen cycle
D. Carbon cycle
The geochemical cycle that is least likely to be affected by global warming is the water cycle, because even as temperatures increase, the evaporation cycle will remain the same.
How to describe the water cycle?at the beginning — liquid: water is present in the transpiration of living beings, in addition to rivers, lakes, oceans, etc. in the middle — gaseous: this water evaporates and accumulates, to later condense in the cloudsat the end — liquid: the precipitation of water that returns to Earth in the form of rain occurs, restarting the cycle.With this information, we can conclude that the water cycle, also known as the hydrological cycle, refers to the continuous movement that water makes through the physical environment and the living beings of the ecosystem, passing through the atmosphere, hydrosphere, lithosphere and biosphere.
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As it exists, is the human body ideal? What improvements would make it function better?
¿es ideal el cuerpo humano?
El cuerpo humano es una verdadera máquina, que normalmente se encuentra calibrada a la perfección para la conservación de la “homeostasis” o “balance” a través del trabajo conjunto de numerosos sistemas: un sistema nervioso, con el cerebro y la médula espinal como sus piezas principales, que envían señales a otros
¿Qué mejoras harias que funcionen mejor
Descansa bien y levántate temprano. ...
Planifica tu jornada. ...
Mantén las distracciones al mínimo. ...
Trabaja en bloques de trabajo con descansos. ... :) :(
Ordena tu lugar de trabajo. ...
Dedícate a una cosa a la vez. ...
Automatiza todo lo que puedas.
Junctions that permit the transfer of water, ions and molecules between cells are
a. desmosomes
b. tight junctions
c. gap junctions
d. none of the above
Answer:
gap junctions
Explanation:
I don't know how to explain it but that's the answer
please mark brainliest
a 42 year old woman presents with a painful, 3cm paraovarian cyst located in her broad ligament. ultrasonography reveals the cyst to be adjacent to the utetine tube, and laparoscopic surgery is scheduled. during surgery a small incision is made in the anterior abdominal wall and the scope is inserted into hee peritoneal cavity. what part of the broad ligament would most likely be incised to reach the tumor? provide an explanation
Broad ligaments consists of:-
What is mesometrium?The uterus's mesentery is called the mesometrium. It makes up the majority of the uterus' broad ligament, with the exception of the areas next to the ovary and mesosalpinx (the mesovarium). The mesosalpinx is close by. Among the structures in the mesometrium is the ureter.
Mesosalpinx: The part of the uterus' broad ligament where the ovaries are suspended is called the mesovarium. The germinal epithelium covers the ovary rather than the mesovarium, which would normally be present.
Mesovariun: The broad ligament's posterior extension, which houses the ovary, is known as the mesovarium. It carries the ovarian arteries and nerves and is attached to the ovary's hilum.
For the surgery mesometrium is to be incised to reach the tumor.
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Describe how the design of a preparation relates to the types of supplemental materials
used in restorative dentistry.
The design of a preparation relates to the types of supplemental materials
used in restorative dentistry is discussed below:
What is the role of the oral dentist?Tooth extractions are carried out by dental and oral specialists for various reasons. A painful tooth or a tooth that has been significantly affected by decay may be the problem. Sometimes a dentist will extract a tooth to make room for dental prostheses or other devices.
When the situation becomes increasingly complicated, an oral expert rather than a dental professional may need to extract a tooth. They typically remove wisdom teeth or third molars.
The dental professional or specialist will initially numb the tooth to gradually relax the patient. Even though tooth extraction may still be distressing, it may be essential for relieving dental pain and preventing further problems.
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What is the BEST definition of deciduous?
becoming inactive during the winter or other unfavorable times
shedding leaves on a yearly cycle
moving to an area that is warmer
taking moisture directly from the air
Answer:
shedding leaves on a yearly cycle
Answer:
shedding leaves on a yearly cycle
What is the difference between a species and a population?What is the difference between a species and a population?
Answer:
A population is a group of organisms of the same species, in the same place
A species is a group of organisms that are genetically similar
Explanation:
I like to remember it with humans.
Humans (homo sapiens) are a species. We are all genetically similar and can share genetic material by reproduction.
In a city, a lot of humans are together and that is a population of humans
As a species however, we are all over the place
imortance of diffusion and facilitated diffusion?
Answer:
Important
Explanation:
That's what I got
Food web starting with sun and pointing to grasshopper and squirrel. Grasshopper pointing to squirrel, wolf, and snake. Squirrel pointing to wolf, snake, and bird. Wolf pointing to decomposition with worms and mushrooms. Snake pointing to wolf and decomposition with worms and mushrooms. Bird pointing to decomposition with worms and mushrooms. Decomposition pointing to the sun stating soil nutrients.
If we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have?
answer fast please!!!!!
If we removed the wolf, snake, and hawk from this food web, the number of grasshoppers and squirrels would increase.
What is food web?All the food networks in a single ecosystem make up a food web. Each organism in an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as they move through the ecosystem. A food web is made up of all the linked and overlapping food systems in an ecosystem.
The trophic levels are divisions into which organisms in food webs are categorized. These levels can be roughly categorized as producers (first trophic level), consumers, and decomposers (last trophic level).
Example of producer-plants
Consumers-Primary consumer-example:squirrel and grasshopper
Secondary consumer-example:wolf
Decomposers-example:worm
Hence,the removal of secondary consumer leads to increase in number of primary consumers.
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Answer:
The number of primary consumers would increase. (aka, the squires, and grasshoppers)
Explanation:
Why not producers?
Because if their aren't no Secondary consumers (aka, wolf, snake, and hawk) then the primary consumers won't get eaten and keep increasing and increasing, the producers will decrease because it keeps gets eaten by the increased primary consumers.
By the way i took the test and got it right!!
Good luck, I promise it is right!!! :)
Which of these best explains how solid waste can harm wildlife?
A. Aquatic animals drown after getting tangled in fishing line.
B. Bacteria are introduced to break down hydrocarbons in an oil spill.
C. The mercury contained in fish builds up in animals that eat the fish.
D. An increased growth in microorganisms results in oxygen depletion.
Solid waste can harm wildlife by the mercury contained in fish builds up in animals that eat the fish. That is option C.
What is effects of solid wastes?Solid wastes are those materials that are discarded from factories and facilities which may contain chemicals that are able to pollute the water bodies.
When they are being washed into the water body, they build up in the body of fishes in a process called bio magnification.
Bio magnification is a process whereby chemicals that are washed into the water bodies accumulate on the body of animals (wildlife) through eating of aquatic animals.
When animals feed on these fishes, it harms their health with time.
Therefore, Solid waste can harm wildlife by the mercury contained in fish builds up in animals that eat the fish.
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9
B There are two missing words in each question Put them in
Example:
8
your parents got jobs and, if so, what they do?
Have your parents got jobs, and if so, what do they do?
When trains for London leave and how much a return ticket?
6
7
Where you buy your new mobile phone and how much it cost?
Where you last night and what you do?
Where I buy a cheap computer in this town and how I get there?
Answer:
that's all I can.
hope it helps. good day.
PLEASEEEE HELPPPP :))
Describe the process of food moving through the digestive tract from mouth to anus. Include in your description the specific functions of at least 3 structures that are part of the process.
The process of food moving through the digestive tract, from the mouth to the anus, involves several structures and stages.
The description of the process:
1. Mouth: Functions of the mouth include:
Mechanical digestion: The teeth break down food into smaller pieces through chewing and grinding, increasing the surface area for further digestion.Chemical digestion: Salivary glands secrete saliva, which contains enzymes like amylase that begin the breakdown of carbohydrates into simpler sugars.Formation of the bolus: The tongue helps mix food with saliva to form a moistened mass called a bolus, which can be easily swallowed.2. Esophagus:
After being chewed and mixed with saliva, the bolus moves down the esophagus, a muscular tube connecting the mouth to the stomach. The main function of the esophagus is to transport food from the mouth to the stomach using peristalsis.3. Stomach: The stomach performs several important functions:
Mechanical digestion: The stomach muscles contract and mix the food with gastric juices, breaking it down further into a semi-liquid mixture called chyme.Chemical digestion: Gastric juices, including hydrochloric acid and enzymes like pepsin, are secreted in the stomach. They help break down proteins into smaller peptides.4. Small Intestine:
The majority of digestion and nutrient absorption occurs in the small intestine. Enzymatic digestion: The walls of the small intestine produce various enzymes, along with enzymes from the pancreas and bile from the liver.Nutrient absorption: The inner lining of the small intestine contains numerous finger-like projections called villi, which greatly increase the surface area for nutrient absorption. Secretion and reabsorption: The small intestine secretes mucus to protect its lining and reabsorbs some water and electrolytes.5. Large Intestine (Colon):
Absorption of water and electrolytes: The large intestine absorbs water and electrolytes from the remaining material, making the waste material more solid and forming feces.Bacterial fermentation: Beneficial bacteria in the large intestine ferment certain fibers and produce vitamins, such as vitamin K and some B vitamins.Formation and elimination of feces: The large intestine compacts the waste material into feces and stores it until it is eliminated through the anus during a bowel movement.Thus, food passes through a number of structures and stages as it moves from the mouth to the anus in the digestive system.
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When the pancreatic duct is blocked what happens to digestion and sugar regulation
Explanation:
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Answer:
Pancreatic juices may not reach the duodenum if the duct or papilla is blocked, or if the pancreas is so damaged by disease that it cannot produce adequate bicarbonate and enzymes. Lack of pancreatic juices results in inadequate digestion.
1. How does the marine biome retain its salinity?
O The salt remains when marine water evaporates.
O The salt remains when marine water condenses.
Answer:
when marine water evaporates
What will happen to photosynthsis if light is totally absent during the process?
Answer:
What will happen to photosynthsis if light is totally absent during the process?
Explanation:
As we all know, photosynthesis is a process for plants from the help of sunlight. So according to our knowledge we know that photosynthesis cannot be done during the absence of light. But when the light is partially present the process will not be start but the process will be slow because the energy of light will be less so the work done will also be less.
Suppose that one of Pasteur's swan neck flasks had broken, such that the neck came off. What would be the likely result?
Maggots would have appeared on the meat
The broth would have remained sterile
Bacteria would not have been isolated in pure culture
The animalcules would have escaped
The liquid would have become contaminated
You have a mixture of bacteria, archaea, fungi, protists, and algae. Which of the following would be most definitive in determining which of these cells are archaea?
Size in a bright field microscope
Structure in a scanning electron microscope
Fluorescence in situ hybridization
Super resolution microscopy
Simple staining
1. The likely result Maggots would have appeared on the meat. Thus. option "A" is correct.
2. Structure in a scanning electron microscope. Thus, option "B" is correct.
What are the different types of cells?The cells can be mainly classified into prokaryotic and eukaryotic. The prokaryotic cells are cells with no nucleus or centrioles but they do have a cell wall, usually one chromosome and complex cilia and flagella. On the other hand, prokaryotic cells have a defined nucleus, multiple chromosomes, and centrioles and some have a cell wall.
Thus, this could be the answer.
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True or False.
There is an increase in the concentration of albumin-bound fatty acids in the blood during a fasting state.
Explain how light brings about tropic movement in
the stem and root of a
flowering plant.
Answer: Photo tropism is the growth-response to light in a plant. Stems exhibit positive photo tropism while most roots exhibit negative photo tropism.
Explanation:
Which word is the best antonym for stalwart.
a. unending
b. immobile
c. weak
Answer:
I think it would be week
Explanation:
Because it doesn't mean the same as stalwart
Question 2
If purple flowers are dominant to white flowers. What are the possible genotypes of an organism with a purple phenotype?
Your answer:
O Pp. pp, PP
O PP, PP
0
PP
Pn
Answer:
Pp, PP
Explanation:
Purple: P
White: p
Purple flowers can still carry the white flower trait, that's how their offspring gets it. Since this offspring is purple, the dominant trait is present and will always show over the recessive trait. So of you get a purple flower the possible genotypes are PP and Pp, if you have a white flower the possible genotypes are only pp. :)
which of the following is an enzyme required by the process of rephosphory,to create ATP? A) AD Pase B)AT Pase C)Polymerase D)AT synthase ?
Answer:
D) ATP Synthase (Hopefully that was an option, I'm not sure if option D intentionally left out the P)
Explanation:
ATP synthase is responsible for synthesizing ATP through the phosphorylation of ADP. This is the result of mechanical energy being generated by the proton motive force (H+ ions moving into the matrix). The asymmetrical rod changes the affinity for ATP, ADP, and inorganic phosphates of each subunit in the F1 subunit, allowing ATP to be produced/prepped/released. In all, this enzyme is very important in the entire process of oxidative phosphorylation.
Dipeptide, polipeptide
Polypeptide:
A chain of amino acids linked together by peptide bonds and having a molecular weight of up to about 10,000.
Dipeptide:
A peptide that yields two amino acids on hydrolysis.
Review the chart, which shows the population sizes of three African animals in 1990 and in 2000.
Population Estimates of Animals in Africa in 1990 and in 2000
1990 2000
Lions 100,000 47,000
Cheetahs 50,000 7,500
Zebras 15,000 2,500
Which explanation is best supported by the numbers in the chart?
A. Lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs.
B. The dwindling zebra population has led to the decline of the predator lion and cheetah populations.
C. Overhunting of lion and cheetah populations has led to a decline in the food source population.
D. Lion and cheetah populations compete for the food source of zebras, and cheetahs outcompete lions.
The explanation which is best supported by the numbers in the chart is that Lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs. Thus, the correct option is A.
What is Competition in the population?Competition in population may be defined as the existence of two or more same or different species that are actively fighting over the same resources and factors that they disseminate.
Competition and predation are the two types of species interaction through which the population of species either increases or decreases.
According to the given chart, it is noticeable that the population drop in predator cheetah and lion populations because of the reduction in zebra lowering population but the in cheetah population is additionally than that of the lion.
Therefore, the correct option for this question is A.
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What do scientists call a disease caused by a pathogen that is easily passed between people?
Infectious diseases are caused by microorganisms like viruses, bacteria, fungi, or parasites and can spread from person to person.
What are pathogens?A pathogen is an organism that causes disease in its host, and the severity of the disease symptoms is referred to as virulence.
Infectious diseases are caused by microorganisms like viruses, bacteria, fungi, or parasites and can spread from person to person.
Thus, the disease that scientists call caused by a pathogen that is easily passed between people is infectious diseases.
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Hershey and Chase labelled phages with 32P and 35S. They found that the S35 labelled protein remained outside the cell and could be removed without affecting the phage infection. 32P labelled DNA entered the bacterial cells and could be found in progeny phages. Could this experiment have been performed using radioactively labelled hydrogen and carbon?
This experiment could not be performed using radioactively labelled hydrogen and carbon
The research of Hershey and Chase has shown that the genetic material they used to create the radioactive T2-bacteriophage is DNA (Viruses that infect E. coli bacteria). Virus T2 or the Enterobacteria phage The Group-I bacteriophage includes T2.
The T2-bacteriophage belongs to the Myoviridae family and has a linear, ds-DNA genome. The head, collar, and tail are the main components of the T2-bacteriophage's body. Because of its tail, the T2-bacteriophage resembles the T4-like virus or T4-bacteriophage.
In the Hershey and Chase Experiment, radioactive phosphorus (P32) and radioactive sulphur (S35) were used to identify the phage DNA and protein in order to determine which will infect E. coli. Hershey and Chase carried out a number of studies, including infection, mixing, and centrifugation, after labeling the phage DNA and protein.
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What does heterozygous describe? (2 points)
a
A gene that is not expressed when paired with a dominant allele.
b
A trait produced from two different alleles.
c
A trait produced from two alleles that are alike.
d
A trait hidden by another trait.
The heterozygous describe A trait produced from two different alleles. Thus, option "B" is correct.
What is heterozygous?Tt shows a heterozygous genotype. A genotype shows the set of genes that it carries or was inherited. The capital letter represents a dominant trait and a lower case letter represents a recessive trait.
Your genes are made of DNA. This DNA provides instructions, which determines traits like your hair color and blood type. There are different versions of genes.
The heterozygous describe A trait produced from two different alleles.
Thus, option "B" is correct.
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¿What is Kingdom Monera?
Kingdom Monera is a biological kingdom that comprises prokaryotic organisms, which are unicellular and lack a nucleus and other membrane-bound organelles.
Monera is one of the five traditional kingdoms of living organisms, which also include Protista, Fungi, Plantae, and Animalia.
The Monera Kingdom includes bacteria and archaea, and some scientists propose that these groups should be split into two separate kingdoms due to their significant molecular and structural differences.
Bacteria can be found in various environments, including soil, water, and inside animals, and they play an important role in many ecological processes, archaea, on the other hand, are often found in extreme environments, such as hot springs and deep ocean hydrothermal vents.