Answer: the ability of viruses to hide in the host’s DNA
Explanation:
In considering the origin of cells, why do biologists focus on the origin of the cell membrane
In terms of origin of cells, the reason as to why biologists has focused more on the origin of the plasma membrane because the plasma membrane has the capability of regulating of what comes in and out of the cell—like which substances enters and exits in it.
Which brain structure regulates the sympathetic and parasympathetic branches of the autonomic nervous system? the amygdala the hippocampus the thalamus the hypothalamus?
Logging is the main threat to old growth forests found in the northwestern united states.
a. True
b. False
A person can eat when hunger is absent because:
a. the hypothalamus signals availability of food in the environment.
b. the hypothalamus monitors the availability of nutrients.
c. the stomach intensifies its contractions and creates hunger pangs.
d. the conscious mind of the cortex can override body signals.
e. the digestive tract sends messages to the hypothalamus.
A person can eat when hunger is absent because the conscious mind of the cortex can override body signals. The outermost layer that covers your cerebrum is called the cerebral cortex. The largest part of your brain is called your cerebrum. Your brain is divided into two halves, or hemispheres, by your cerebrum.
Regarding both sensory and motor function, specific thalamic relay nuclei communicate with the cerebral cortex. As a result, it is believed that the thalamus, with its numerous nuclei connections, is in charge of all individual consciousness contents.
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Which of the following representations shows how one variable changes in response to another variable
1:Models
2:Line graphs
3:Pie charts
4:Complex systems
What two or three organisms are most important in the mono lake ecosystem?
Research indicates that approximately __________ infants is born with fetal alcohol syndrome (fas)
Research indicates that approximately 1 in every 1,000 infants is born with fetal alcohol syndrome (FAS).
- Fetal Alcohol Syndrome (FAS): FAS is a serious and preventable birth defect caused by prenatal exposure to alcohol.
- Prevalence: Studies estimate that approximately 1 in every 1,000 live births worldwide is affected by FAS.
- Varying Estimates: The prevalence of FAS may vary across different populations and regions, but the estimated rate of 1 in 1,000 births is a commonly cited figure.
- Risk Factors: Various factors, including maternal alcohol consumption patterns, genetics, and socioeconomic factors, influence the risk of FAS in infants.
- Prevention: Education about the dangers of alcohol consumption during pregnancy and access to support and resources for pregnant individuals can help prevent FAS and improve maternal and child health outcomes.
Prokaryotes reproduce by ___________, which creates _____ exact daughter cell clone(s) of the original parent cell.
1.Biomolecules
Biomolecule Elements
A C H O
B C H O and sometimes P
C C H O N S
D C H O N P
Biomolecues are essential to all living things. Which biomolecule is "A" from the above table?
A) lipid
B) protein
C) carbohydrate
D) nucleic acid
Biomolecule Elements
A C H O
B C H O and sometimes P
C C H O N S
D C H O N P
2.Biomolecues are essential to all living things. Which biomolecule is "C" from the above table?
A) lipid
B) protein
C) carbohydrate
D) nucleic acid
3.Who developed the first correct model of DNA?
A) Rosalind Franklin
B) Oswald Avery
C) Hershey and Chase
D) Watson and Crick
1. The right answer is C) carbohydrate
Lipids is not a correct answer because some like phospholipids can contain phosphorus.
IUPAC defines carbohydrates as a class of organic compounds containing a carbonyl group (aldehyde or ketone) and at least two hydroxyl groups (-OH).
They are so called because their chemical formula was based on the model Cn (H2O) p.
2. The right answer is B) protein
The structure of proteins is the amino acid composition and the three-dimensional conformation of proteins. It describes the relative position of the different atoms that make up a given protein.
Among the amino acids, 19 amino acids contain only four chemical elements: carbon, hydrogen, oxygen and nitrogen; two amino acids additionally contain a sulfur atom, and a rather rare amino acid contains a selenium atom.
3. The right answer is D) Watson and Crick
While many biologists seek to understand how DNA forms copies of itself, James Watson and Francis Crick will be interested in the shape of DNA.
At a congress in Naples, Maurice Wilkins presents the first X-ray photographs of DNA. Despite the very limited clarity of the photo, it is the regular structure of DNA that challenges James Watson ...
The photograph of Rosalind Franklin's X-ray DNA shows that this macromolecule is cross-shaped. After a year and a half of team research, Crick and Watson finally understand that this form of cross reveals that DNA is a double helix.
If active transport establishes a concentration gradient with the use of atp, then the concentration gradient can be looked at as ________.
The posterior pituitary lobe produces _____, which controls the water-absorbing ability of the kidneys.
Monosaccharides are also known as what?
How do sites like wikipedia illustrate an instinct to work together and cooperate?
The sites like Wikipedia has illustrated an instinct of having people to engage of working together and cooperate because of their motto and the way they deliver information well and easily. They were able to provide principles in which they were able to address that their information are valid and trustworthy.
The websites like Wikipedia and other sites like this shows a principle that is very simple and straightforward "prove to me you are trustworthy and we will cooperate with you" So, this is their simple rule of employment, If you give them correct and valid information, you will become trustworthy to them.
The sites like Wikipedia demonstrated an instinct of engaging people together to co-operate with each other to create a healthy environment for learning and knowledge.
Charles darwin was not the only one to conceive of natural selection. who published an article suggesting current species were descended from other species?
Which kind of cells can become any type of cell in the body ?
Neurons that carry information away from the central nervous system are called ________ neurons.
In living things, most chemical reactions occur near pH 7, and changes in pH do not normally occur. Describe how buffers maintain a pH of 7 in the human body.
Answer:
Buffers usually consist of a weak acid and its conjugate base; this enables them to readily absorb excess H+ or OH–, keeping the system's pH within a narrow range. Maintaining a constant blood pH is critical to a person's well-being.
Explanation:
Which area of the limbic system regulates thirst, body temperature, and sexual behavior, and helps maintain a steady (homeostatic) internal state? the hippocampus the thalamus the hypothalamus the amygdala?
The hypothalamus in the limbic system regulates thirst, body temperature, sexual behavior and helps maintain a steady homeostatic state. The other brain parts handle different functions, for example the hippocampus is for memories, the thalamus is for sensory information relay and the amygdala for emotions.
Explanation:The area of the limbic system that regulates thirst, body temperature, sexual behavior and maintains a steady, or homeostatic, internal state is the hypothalamus. On top of the aforementioned functions, the hypothalamus also plays a crucial role in other bodily functions such as controlling the pituitary gland, regulating sleep, and emotional response. The hippocampus focuses on the formation of memories, the thalamus is basically a relay station for sensory information, and the amygdala is associated more with emotions, particularly fear and aggression.
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Do you think glucose is being actively transported or transported by facilitated diffusion in this experiment?
which of the following organisms are prokaryotes? plants , animals, fungi, or bacteria ?
In ____________ , the spindles attach to the chromosomes and the chromosomes are moved to the center of the cell.
A student views cells from several different prokaryotic and eukaryotic organisms under a high powered microscope. Which of the following statements describes how prokaryotic cells appear different from the eukaryotic cells?
A.The Prokaryotic cells are much larger
B.The Prokaryotic cells do not have nuclei
C.The Prokaryotic cells have mitochondria
D.The Prokaryotic cells have a less distinct shape.
Evaluate and discuss the importance of maintaining biodiversity for future medical needs
Maintaining biodiversity is very important for future medical needs as until now the science and medicine has discovered only a fraction of species found on earth for medicine, in future the discovery may lead to revolutionary changes in medical field. Also preserving it will assure a stable cycle of recycling the wastes in an ecosystem.
Biodiversity is essential for future medical needs as it provides a vast array of biological and genetic resources that could lead to new medicines. It also supports human health, food security, ecosystem services, and psychological well-being. Its preservation necessitates an understanding of biodiversity, shifting human behavior and beliefs, and implementing proper preservation strategies.
Explanation:Maintaining biodiversity is of immense importance for future medical needs. Biodiversity harbors a vast array of biological resources including a myriad of plant and animal species, each comprising unique genetic materials. These genetic resources could lead to the discovery or synthesis of drugs that can fight diseases.
Many pharmaceutical compounds have been first discovered or derived from living organisms such as plants, animals, bacteria, and fungi. Loss of biodiversity would, therefore, potentially reduce the number of medicinal compounds that could be discovered in the future.
Biodiversity not only contributes to our health but is also critical to our food security, ecosystem services, and psychological well-being. A healthy and diverse ecosystem will support agriculture and food production. The interconnectedness of species means that the loss of one species could harm others and might even affect human populations in the long term.
We also derive considerable psychological benefits from living in a biodiverse environment. Not to forget, the moral argument of minimizing our harm to other species.
Preserving biodiversity, therefore, poses an extraordinary challenge that requires understanding biodiversity itself, altering human behavior and beliefs, and developing effective preservation strategies.
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Running water, while occurring infrequently in deserts, _____.
Running water, while occurring infrequently in deserts, does most of the erosional work.
Running water is the water that flows from water sources such as oceans, streams, rivers, including rain water which transports weathered rocks and other particles. Running water is the most significant agent of erosion. Erosion is a physical process caused by the action of water or wind, and it involves the wearing away of the earth’s surface by removing soil, rock, or other substances from one area on the earth, and moving it to another area.
Because most plants are able to undergo photosynthesis they do not
How does a microscope help scientists observe objects?
Traditional medicine that focuses primarily on the treatment of illnesses with medication, rather than illness prevention and wellness, is sometimes referred to as the ___________ model.
Answer:
The given blank can be filled with medical model.
Explanation:
A model of health that suggests that disease is determined and identified via a systematic process of observation, differentiation, and description, in accordance with basic accepted approaches like medical tests, examinations, or an array of symptom descriptions is known as a medical model.
It is a traditional or conventional method, which focuses mainly on the treatment of illness with medicines, rather than prevention of illness and wellness.
What is the mean of 45, 45, 48, 50, and 52
What happens at a convergent boundary apex?
Answer:
crust is destroyed
Explanation:
Why can overfishing lead to ecosystem collapse?