The new organism discovered in the Antarctic by the scientists is made up of the eukaryotic cells and grows in colonies. The presence of eukaryotic cells means that the genetic material is present inside the membrane bound nucleus, and membrane bound cell organelles are present inside the cell. These are the characteristic of the organism belong to the domain of Eukarya.
Hence, the answer is 'Eukarya'.
What are the three types of mutations
You have red hair
Jeans
Or
Genes??
What type of relationship exists between two organisms if one of them benefits but the other is neither helped nor harmed from the relationship?
Answer:
A. mutualism: a relationship in which both species benefit
B. commensalism: a relationship in which one species benefits and the other species is neither helped nor harmed
C. parasitism: involves one organism living on or inside
another organism and harming it.
I hope this helps you :)
Explanation:
What is the basis of an organic molecule?
A.The basic structure is the carbon atom.
B.The basic structure is the potassium atom.
C.The basic structure is a carbon monoxide molecule.
D.The basic structure is the iron atom.
Marcia reported the following symptoms to her physician: severe weight loss, increased anxiety, and sweating. After several tests, Marcia’s physician determines that she has a very high basal metabolic rate and confirms Marcia’s diagnosis as . Her physician prescribes as the best treatment for her condition.
Marcia is diagnosed with hypermetabolism. One pathological cause of hypermetabolism is thyroid disorder (hyperthyroidism). It could also be caused by injury or infection in the body. There is no single treatment for the disorder since it is merely a symptom of an underlying problem. It could be managed by nutritional support coupled with pharmacological treatment such as diuretics and regular insulin.
Answer:
She is diagnosed with hypermetabolism.
Explanation:
Hypermetabolism is metabolism at an excessive or increased rate and it is characterized by the abnormal increase in basal metabolic rate. It can signal the issues like hyperthyroidism. It occurs generally after significant injury to the body and the most common causes in the institutions and hospitals are burns, sepsis, traumas, infections surgery, bone marrow transplants etc. Its cause and location can be detected by PET scan. The symptoms includes anemia, sudden weight loss, fatigue, elevated heart rate, excessive sweating etc. It is itself a symptom and not an independent disease, treatment firstly requires attention to the underlying disease. The symptoms will subside, once the underlying cause is remedied.
Which layer of the sun is responsible for producing the light shown in the picture above?
(A) Radiative zone
(B)Convective zone
(C)Photosphere
(D)Chromosphere
Answer:
The answer is C. Photosphere
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explain how animal stem cells are different from plant stem cells
While both plant and animal stem cells can self-renew and differentiate, they differ in their origins, their capacity for differentiation, and their capacity for regeneration.
Animal stem cells: The inner cell mass of blastocysts is the main source of animal stem cells throughout the first stages of embryonic development. Additionally, they are available from a variety of adult tissues. These include neural stem cells in the brain, hematopoietic stem cells found in bone marrow and blood, and mesenchymal stem cells in adipose tissue. Meristems, specialised areas of plants where active cell division takes place, are the source of plant stem cells. While lateral meristems are in charge of secondary growth in stems and roots, apical meristems are located at the tips of shoots and roots. Plant stem cells are generated by these meristems. Animal stem cells are involved in two crucial processes: differentiation and regeneration. Since stem cells are undifferentiated, they have the capacity to differentiate into a variety of specialised cell types within an organism. Regeneration is the capacity of some organisms to regenerate missing or damaged body parts. Adult stem cells with the ability to self-renew and specialise into the precise cell type required for tissue healing are necessary for this process.
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Which statement best explains the role of weathering and erosion in the rock cycle?
A. Rocks melt by this process.
B. Molten rocks solidify by this process.
C. They change the mineral composition of rocks.
D. They break rocks and transport them to new locations.
Answer:
The answer is D. They break rocks and transport them to new locations.
Explanation:
Weathering is the physical process in which a breakdown or breakage occurs in the rock, but without affecting its chemical or mineralogical composition, while the erosion of the rocks is the process that refers to the movement or transport of the material, in contrast to the alteration and disintegration of the rocks. It is one of the main factors in the rock cycle.
Under a microscope, you can see that a plant cell has only half the usual number of chromosomes. What stage of the plant’s life-cycle are you witnessing?
Which concepts are included in uniformitarian theory?
Erosion and deposition are currently very fast.
Erosion and deposition are currently very slow.
The Earth's crust has been formed by numerous local floods.
The Earth's crust has been formed by a major cataclysm.
The Earth's crust has been formed by current slow processes.
The Earth's crust must be relatively young.
The Earth's crust must be very old.
Major catastrophic processes are impossible.
Major catastrophic processes are possible.
(Choose all that apply)
Answer:
All of these are included in the uniformitarian theories:
1) The Earth's crust has been formed by floods and materials derived from that.
2) The Earth's crust has been formed by current slow processes.
3) Erosion and deposition are currently very slow, but with the time, it affects in a huge way the environment.
4) Major catastrophic processes are possible. They are violent and sudden, and that's how they affect so much the planet.
True or False: Alex used her fingers to remove the lid from a can of vegetables after he opened it with a can opener. Sophia knows this is an unsafe procedure.
What are citrus fruits?
what is meant by high air pressure
In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If two red-eyed heterozygous flies (Rr) mate together, what are the possible genotypes of their offspring? (Hint: You many want to complete a Punnett square.) RR and Rr Rr only RR and rr RR, Rr, and rr
Answer:
R r
R RR Rr
r Rr rr
Therefore, you have RR, Rr and rr as your possible genotypes.
Explanation:
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Give me half a tanker of iron," he joked, "and I'll give you the next ice age." Explain this quote from John Martin's original article.
The idea was that fertilizing the ocean and seas would lead to the in increase growth of phytoplankton population.
The oceanic plants do not release carbon dioxide into the air when they die because the sinks into the sea carrying with them the carbon dioxide for several centuries. This would then decrease the levels of carbon dioxide from the air as plants absorb carbon dioxide from the air during the process of photosynthesis.
what is the organism that is harmed in the parasitism called ?
A: Competitor
B: Host
C: Parasite
D: Prey
Many scientists worked together to form a realistic model of the structure of the DNA molecule.
Part A: What was Erwin Chargaff’s major contribution to what we now know to be the structure of DNA? (2 points)
Part B: How did Watson and Crick’s research confirm Chargaff’s conclusion through their development of the model of DNA? (2 points)
Final answer:
Erwin Chargaff discovered the base pairing rules critical for DNA structure, which was confirmed by Watson and Crick through their double helix model, integrating Chargaff's rules with X-ray diffraction data.
Explanation:
Part A: Erwin Chargaff's major contribution to our understanding of DNA structure lies in his discovery of specific pairing rules, known as Chargaff's rules. He observed that in DNA, the amount of adenine (A) always equals the amount of thymine (T), and the amount of guanine (G) always equals the amount of cytosine (C). This finding was critical for deciphering the double helical structure of DNA.
Part B: James Watson and Francis Crick's research confirmed Chargaff's conclusions by incorporating them into the development of the DNA model. Utilizing the principle that A pairs with T and G pairs with C, alongside X-ray diffraction data from Rosalind Franklin, they proposed a double helix structure. In this structure, each strand of DNA is composed of a long chain of nucleotide pairs, with hydrogen bonds between A and T and between G and C, explaining Chargaff's observations and providing a physical mechanism for DNA replication.
Mendel's observation that traits are inherited separately was based on which set of experiments?
A. Monohybrid crosses
B. Purebred crosses
C. Testcrosses
D. Dihybrid crosses
the answer is A.) Monohybrid crosses
Which if the following is the definition for speciation
Answer:
Explanation:
speciation is the formation of new and distinct species in the course of evolution.
Which of the following will increase the salt concentration in seawater?
A:) evaporation
B:) precipitation
C:) runoff
D:) ice cap melting
Which sentence uses a demonstrative adjective that points out something near?
A. This ring on your finger is beautiful.
B. Sam tested that porch light.
C. Fred has those books at his house.
Why does competition occur in ecosystems?
A. Competition never happens in ecosystems
B. Competition occurs only within populations
C. Competition happens because resources are limited.
D. Competition happens only over food
Answer:
Option C. Competition happens because resources are limited.
Explanation:
When resources are limited in an ecosystem, the species compete with each other to come out as best among all.
As per the theory of natural selection, Darwin proposed that it is always the fittest of all that survive. By fittest he means the ones who are capable to compete and come out as the strongest among all to survive in a given ecosystem.
For Example - Male compete among themselves to attract the female. This is known as sexual selection.
Hence, option C is correct.
Which structure is common in plant cells but rare in animal cells? ribosome mitochondrion vacuole lysosome
Answer:
mitochondria
Explanation:
The correct answer is option c) Vacuole because it is common in plant cells but rare in animal cells.
Vacuoles are membrane-bound organelles found in plant cells, as well as some fungal and protist cells. They are large, fluid-filled sacs that perform various functions, including storage of water, nutrients, and waste products, maintaining turgor pressure, and supporting the structure of the cell.
While animal cells may contain small vacuole-like structures called vesicles, they typically lack the large, central vacuole characteristic of plant cells. Therefore, vacuoles are much more abundant and prominent in plant cells compared to animal cells.
The incorrect options are:
a) ribosome: Ribosomes are present in both plant and animal cells. They are responsible for protein synthesis and are essential organelles found in all types of cells.
b) mitochondria: Mitochondria are found in both plant and animal cells. They are responsible for cellular respiration, producing energy in the form of ATP. While there may be some structural and functional differences between plant and animal mitochondria, they are present in both types of cells.
d) lysosome: Lysosomes are membrane-bound organelles containing enzymes responsible for intracellular digestion and waste removal. While lysosomes are more prevalent in animal cells, they are also found in some specialized plant cells, particularly those involved in defense and recycling processes. Therefore, while lysosomes may be rarer in plant cells compared to animal cells, they are not entirely absent.
The correct question is :
Which structure is common in plant cells but rare in animal cells?
a) ribosome
b) mitochondrion
c) vacuole
d) lysosome
explain why earthquakes and volcanoes appear in generalized belts around the planet.
If the wind changes direction, and the ship veers off course, what type of feedback loop results in the ship returning to its course?
Which statement best describes the leaf structures of monocots and dicots?
A. Dicots have narrow leaves with parallel veins, and monocots have broad leaves with a network of veins.
B. Monocots have narrow leaves with parallel veins, and dicots have broad leaves with a network of veins.
C. Dicots have narrow leaves with a network of veins, and monocots have broad leaves with parallel veins.
D. Monocots have narrow leaves with a network of veins, and dicots have broad leaves with parallel veins.
Answer: B
Monocots differ from the dicots In the structural features of the leaves, the stems, roots, and flowers. The differences start from the very beginning of the plant's life cycle: the seed. Monocots have one cotyledon, while dicots have two. When it comes to leaves, monocots have narrow leaves with the typical parallel leaf veins. Dicots have broad leaves with a network of netted leaf veins (branching).Answer:
the answer is B
Explanation:
You have isolated a particular virus and have found that the amount of thymine present in its double stranded DNA is 23%. Based on that knowledge, what can you predict to be the percentage of guanine present in the same sample?
23%
46%
27%
54%
The Answer Is 27% . . . . . . . . . . . . . The dots are so I can post the answer, because without a long reply I can't answer.
Answer:
27% .
Explanation:
A (adenine) pairs with T (thymine) and has the same percentage. C (cytosine) pairs with G (guanine) and they both have the same percentage. In this case, the percentage of T (thymine) is 23%. So A (adenine) will also have 23%. This leaves the remaining percentage at 54% (100-46). So G and C will have 27% each (totaling 54%).
Which of the following is an example of a constructive force? A. buildings collapse in an earthquake B. river erosion within the Grand Canyon's rock walls C. weathering of a mountain due to rain D. a volcano eruption
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What is the function of sporangia
The bread mold plant that has fine thread-like projections called hyphae and slender stems with knob-like structures that contain spores, which are haploid structures made in organisms that allow them to germinate and form new organisms.
What is Sporangia?A sporangium is defined as the enclosure in which spores are formed which may be unicellular or may be multicellular. All plants, fungi, and many other genera form sporangia at some point in their life cycle.
A sporangium is described as the structure in some plants and other organisms charged with making and storing spores which are haploid structures made in organisms that help germinate and form new organisms. These help organisms to reproduce.
Thus, the bread mold plant that has fine thread-like projections called hyphae and slender stems with knob-like structures that contain spores.
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What is cancer and how does it relate to the cell cycle? 2. what are proto-oncogenes and tumor suppressor genes, and how do they contribute to cancer? 3. what are some things that might make a person have a higher risk of developing cancer? 4. what are some of the major steps that occur in the progression from a single cancer cell to a tumor and then to many tumors spreading throughout the body? 5. as tumors grow and spread, the cells undergo a number of changes. how might the cells in a late stage tumor be different from the original cell that became cancerous? 6. why are different types of cancers named based on where in the body they originate (breast cancer, skin cancer, bone cancer, etc.)? why does it matter from which organ or tissue type the cancer developed?