The inflammation of a gland is known as __________.
Phospholipids and triglycerides both _____.
Do bacterial cell membranes have cholesterol
Final answer:
Bacterial cell membranes typically do not contain cholesterol, but have hopanoids instead; however, there are exceptions such as some pathogenic bacteria that utilize host cholesterol.
Explanation:
The question being asked is whether bacterial cell membranes have cholesterol. In general, the membranes of eukaryotic cells, such as those in animals and plants, are enriched with cholesterol along with other types of lipids. However, bacterial membranes do not typically contain cholesterol. Instead, bacteria contain hopanoids, which are sterol-like molecules that can be thought of as bacterial equivalents to cholesterol in eukaryotic cells. Certain special cases exist, such as some species of Mycoplasma, which require cholesterol from their host for growth, and some bacteria that enhance their membranes with sterols when they lack a cell wall, like in the phylum Tenericutes. Additionally, pathogenic bacteria like Mycobacterium tuberculosis and Chlamydia trachomatis utilize host cholesterol for their growth and infection processes.
A/an ________ is a malignant tumor of the bone making cells of the red one marrow
Outline the evolution of monotreme, marsupial, and placental mammals.
Evolution of Monotreme: About 150 million years ago, the first monotreme have evolved. Early fossils of monotreme have been found in Australia. A genus called steropodon is an example.
Evolution of Marsupial: About 150 million years ago, the first marsupial have evolved. A genus called sinodelphys which was about 6 inches long is an example of earliest found extinct genus.
Evolution of Placental mammals: About 110 million years ago, the earliest placental mammal have evolved. The extinct genus eomaia is an example of this. It was only 4 inches long.
Answer:
Evolution of Monotreme: About 150 million years ago, the first monotreme have evolved. Early fossils of monotreme have been found in Australia. A genus called steropodon is an example.
Evolution of Marsupial: About 150 million years ago, the first marsupial have evolved. A genus called sinodelphys which was about 6 inches long is an example of earliest found extinct genus.
Evolution of Placental mammals: About 110 million years ago, the earliest placental mammal have evolved. The extinct genus eomaia is an example of this. It was only 4 inches long.
Explanation:
Consider the activity and specificity of the three enzymes. Pepsin is most active in the human ________ and helps to digest __________. A) mouth; starch B) mouth; protein C) stomach; protein D) small intestine; lipids
C) stomach; protein
Answer:
The correct answer is C) stomach; protein
Pepsin is an endo-peptidase i.e. it breaks down peptide bond and thus helps in breaking down proteins or larger polypeptide chains into smaller chains.
It is secreted as pepsinogen (zymogen) by chief cells in the stomach. HCl (hydrochloric acid) released from parietal cells in the stomach converts pepsinogen into its active form pepsin.
It usually cleaves at the C-terminal side of amino acids such as tyrosine, phenylalanine, and tryptophan.
x-rays cannot
X-rays cannot pass through Earth's atmosphere. Which of these is the best location to place a telescope used to observe x-rays from stars?
A-mountain
B-top of building
C-space
D-high-flying aircraft
Answer:
C. Space
Explanation:
Since x-rays cannot pass through Earth's atmosphere, the telescope would have to be placed in space.
Stacie was adopted. Her adoptive mother is a talented painter. Stacie also enjoys painting and drawing. Stacie's interest in art is which kind of trait?
Explanation:
Since, it is given that Stacie was adopted so it is obvious that whatever she will learn or acquire knowledge will be based on her upbringing and surroundings.
For example, Stacie's adoptive mother was a talented painter that is why Stacie also enjoys painting and drawing.
Therefore, it is an acquired trait by Stacie from her adoptive mother.
Which term means stricture or narrowing of the rectum?
What are examples of monomers and polymers of carbohydrates lipids proteins nucleic acids?
At the end of a shift, a labor and delivery nurse leaves a woman in labor before the nurse's replacement arrives. what kind of negligence does this constitute?
Also called smooth muscles , they are involuntary and function automatically without conscious will they are found in the internal organs of the body such as the digestive or respiratory system
Classify each of the following as homozygous dominant, heterozygous, or homozygous recessive.
A.Gg
B.rr
C.TT
D.Does not include any dominant alleles
E.Does not include any recessive alleles
Which of the following actions would be most effective in decreasing the amount of carbon dioxide in the atmosphere while increasing the amount of biodiversity in an area?
Planting more trees to absorb more of the carbon dioxide from the atmosphere.
Converting forests into housing developments to increase the amount of carbon dioxide used.
Digging up native prairies so more crops which use more carbon dioxide can be grown.
Sowing beans or other legumes along with corn to decrease carbon dioxide fixation.
Planting more trees, or reforestation, is the most effective action in decreasing the amount of carbon dioxide in the atmosphere while increasing biodiversity. It allows trees to absorb carbon dioxide via photosynthesis and supports ecosystems with high levels of diverse life forms.
Explanation:The action most effective in decreasing the amount of carbon dioxide in the atmosphere while simultaneously increasing the amount of biodiversity in an area would be planting more trees. This process is known as reforestation. Trees naturally absorb carbon dioxide from the atmosphere during photosynthesis, a process by which they convert carbon dioxide and sunlight into oxygen and glucose. Moreover, forests are rich ecosystems that can support a high level of biodiversity, including various species of plants, animals, and microorganisms.
On the other hand, converting forests into housing developments, digging up native prairies, or sowing beans along with corn, although these actions might temporarily sequester some carbon dioxide, they generally lead to the reduction of biodiversity and destruction of ecosystems. Therefore, they are less effective strategies in the long term.
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The first step in scientific inquiry is to ask a testable ______ about something you are curious about or something you observe.
Question 4 options:
hypothesis
solution
variable
question
The main role of ____ in supporting physical activity is to serve as an antioxidant, protecting tissues from oxidation.â
2. Give a brief description of how biological dyes work. (2 pts)
how might the introduction of a mouse predator help with the mouse problem in australia
Answer:
Mouse number can increase significantly with in few months in the absence of their predators and these mouse can cause huge damage to vegetation or they can spread deadly infectious disease like plaque so their population must be controlled.
Introduction of mouse predator can help with the mouse problem in australia because mouse is food of the predator and predator will kill and feed on mouse. After introduction of mouse predator the population of mouse will come under control because of becoming prey of predator.
Predators like snakes and cats are very efficient mouse predator which can be useful in controlling mouse problem in australia.
The nurse is performing a nutritional assessment on an 80-year-old patient. the nurse knows that physiologic changes can directly affect the nutritional status of the older adult and include:
The nurse should know the physiological changes that an elderly could inhabit due to late age, the nurse would likely assess the elderly has a slow motility in gastrointestinal, has decrease absorption in the gastrointestinal, has taste sensitivity and has decrease in visual acuity where they sight is not as clear as before.
MULTIPLE CHOICE I THINK ITS B JUST CHECKING
Based on the figure below, how does the prion protein differ from the normal protein?
A. The prion has a different chemical formula.
B. The prion has a different shape.
C. The prion is much larger.
D. The prion is more spherical.
A scientist looked at a group of embryos. Upon examination, she observed that species A and B diverged closer to fertilization. She also observed that species C and D diverged closer to birth. Which of the following statements is true?
A. Species A and B are more closely related than species C and D.
B. Species C and D are more closely related than species A and B.
C. Species A and C are related.
D. Species B and D are related.
Answer:
B. Species C and D are more closely related than species A and B.
Explanation:
As you can see in the question above, in relation to embryos, species A and B diverge closer to fertilization. Thus, all embryonic development of these species occurs in different ways and with little or no relationship.
On the other hand, embryos of species C and D diverged closer to birth, which means that all embryonic development was similar and had close factors, which may indicate that these species are more closely related, genetically speaking, than species A and B.
The statement 'species C and D are more closely related than species A and B' is TRUE (Option B).
Divergence and evolutionEvolution refers to descendence with modification between different taxonomic groups.
Divergence is the process by which different individuals/populations separate across time from an evolutionary point of view.Divergence eventually leads to speciation and reproductive isolation.In conclusion, the statement 'species C and D are more closely related than species A and B' is TRUE (Option B).
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Question 3(Multiple Choice Worth 2 points)
(6.02 MC)Innovative ideas may someday lead to a new way of addressing significant marine issues. Which of the following should be considered when evaluating the costs and benefits of a new innovative process?
Cost to build
Effort and time to implement
Maintenance and recurring costs
I and II only
I and III only
II and III only
I, II, and III
Question 4(Multiple Choice Worth 2 points)
(6.02 LC)Which of the following factors would best contribute to a measurement of environmental quality?
Average temperature
Water clarity
Salinity levels
Average speed of sound
Question 5(Multiple Choice Worth 2 points)
(6.02 MC)Two new products are competing for grant money, with the goal of cleaning up the marine environment. Each product removes plastic from the ocean.
Product 1 can be used in the open ocean and requires monitoring once every three months to retrieve collected plastic.
Product 2 is designed to be used in harbors and marinas and requires monitoring once per week to retrieve collected plastic.
If all other costs and benefits are equal, which of these products would you recommend for the grant?
Product 1 because it requires less monitoring, reducing the overall cost
Product 1 because it is presumed to be more effective at removing plastic
Product 2 because it would provide more job opportunities for local people
Product 2 because it would probably last longer in marinas than in the open ocean
Question 6(Multiple Choice Worth 2 points)
(6.02 MC)Which of the following best describes the relationship between human population size and resource use?
Countries with high populations are likely to use more resources.
Countries with high populations are likely to use fewer resources.
Countries with low populations are likely to use more resources.
There is no correlation between population size and resource use.
The best choices for the questions presented are: 'I, II, and III', 'Water clarity', 'Product 1 - because it requires less monitoring, reducing the overall cost', and 'Countries with high populations are likely to use more resources'. These answers are based on the understanding of evaluating innovative processes, measuring environmental quality, cost-effectiveness and global resource use.
Explanation:The questions here are related to environmental issues, their cost-effectiveness and their impact on the quality of the marine environment. In determining the costs and benefits of an innovative process in addressing marine issues, consider the Cost to build, the Effort and time to implement, and Maintenance and recurring costs, hence the answer is 'I, II, and III'. When measuring environmental quality, indication factors could include Water clarity which reflects the health of the ecosystem.
From the two products designed to clean up the marine environment, since all other costs and benefits are equal, Product 1 would be more suitable for the grant as it requires less monitoring, thereby reducing the overall cost. Finally, countries with larger human populations are more likely to use more resources considering that a bigger population would naturally have a greater demand, so the relationship between human population size and resource use would be: 'Countries with high populations are likely to use more resources'.
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What is the body system that consists of specialized glands and that affects growth, development, sexual activities, and health of the body?
Why might scientists be interested in making transgenic organisms?
Transgenic organisms glow in the dark and provide a light source in dark places.
Transgenic organisms can produce a desired product that may benefit other organisms.
Transgenic organisms can be used to cut strands of DNA molecules into fragments.
Transgenic organisms can be used as a medium to transfer foreign DNA into a host cell
The right answer is Transgenic organisms can produce a desired product that may benefit other organisms.
A transgenic organism contains DNA combining stably integrated in all its cells. In other words, the organism, be it a plant, an animal or a microorganism, has a new piece of DNA embedded in it. a chromosome in each of its cells. This "new piece" of DNA usually contains a gene from another organism (plant, animal or other) that has been modified to be expressed in the new organization. A transgenic organism may even possess the DNA of another organism of the same species. The inserted gene can be called the transgene.
Currently, diabetics are treated by injecting insulin from either a healthy human donor or cultures of genetically modified (transgenic) bacteria that secrete the protein.
Match each kind of scientist with an aspect of the hot spring she or he might study.
A. Geologist
B. Ecologist
C. Sociologist
D. Meteorologist
Relationships between organisms and the hot spring.
Human behavior around the hot spring.
Rocks around and under the hot spring.
Atmosphere and weather around the hot spring.
Answer: A. Geologist : rocks around and under the hot spring
B. ecologist : relationships between organisms and the hot spring
C. sociologist : human behavior around the hot spring
D. meteorologist : atmosphere and weather around the hot spring
A hot spring a natural phenomena or human induced phenomena, in which the hot groundwater comes out from the earth's crust, which is heated geothermally by heat present in the geosphere.
A. Geologist : rocks around and under the hot spring
A geologist is a scientist which will likely to find cause of the hot spring that is related to the types of rocks, gases if any present inside the crater from where the water comes up.
B. ecologist : relationships between organisms and the hot spring
An ecologists is a scientists who observes the interaction of living beings with their external physical environment and also interaction that occurs among the species. An ecologists will likely to find the impact of hot spring on the organisms living around the hot spring.
C. sociologist : human behavior around the hot spring
A sociologists is a professional who studies the interaction among different population of the human beings. A sociologist will likely to find the response or reaction of a human society towards the hot spring.
D. meteorologist : atmosphere and weather around the hot spring
A meteorologist is a scientist who studies the weather conditions. The meterologist will likely to find the impact of the hot spring on the atmosphere. As the water liberated is extremely hot, the impact of hot water on the atmosphere and weather conditions can be studied by the meteorologist.
A solution that has a greater concentration than a cell it would be a ____ solution
what is the structure of dna that watch crick and franklin contributed to discover?
A substance that can elicit an immune response from a lymphocyte is called a(n) ______.
In biology, a substance that elicits an immune response from a lymphocyte is known as an antigen. These substances could be on the surfaces of varied cells which the immune system identifies as foreign, thereby eliciting an immune reaction primarily involving lymphocytes like T-cells and B-cells.
Explanation:A substance that can elicit an immune response from a lymphocyte is commonly known as an antigen. Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria. The immune system recognizes any cell with these substances on its surface as foreign, and it can elicit an immune response.
Ideally, lymphocytes come to play, where T and B cells, components of lymphocytes in our body, react to these antigens. T-cells directly attack the foreign cells while B-cells produce antibodies that target the antigens to neutralize or eliminate them.
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The two major divisions of the nervous system are the central and the ________ nervous systems.
The two major divisions of the nervous system are the central and the central and peripheral nervous systems.
What are the divisions of the nervous system?The nervous system refers to system which controls the response to stimuli both external and internal by an organism.
The nervous system is responsible for carrying messages to the brain and out from the brain to the other parts of the body.
The nervous system is divided into two divisions:
central nervous system andperipheral nervous systemThe central nervous system consists of the spinal cord and the brain.
The peripheral nervous system is made up of nerves and small amount of gray matter known as the ganglia.
Therefore, the two major divisions of the nervous system are the central and the central and peripheral nervous systems.
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Tom has developed chronic kidney disease. he has lost weight and has a poor intake. the most likely cause is: