Answer:
C. Water enters the roots, gets transported through the stem, and evaporates through the leaves
Explanation:
The process of transpiration within the plants has multiple steps. In order to get to the water, the plants use their roots, thus they manage to get it from the soil. From the roots, the water is then transported to the stem, and through the stem is transported throughout all of the plant, most importantly to the leaves. Once the water has been used, and the temperature is high enough, it evaporates through the pores of the leaves. This is part of the water cycle, and it is a very nice example of the interaction between four spheres, the hydrosphere, geosphere, biosphere, and atmosphere.
What is the correct term for an area of rotating currents in an ocean?
When ocean currents combine, they create an area of rotating currents called a(n)
Answer:
thermohaline current = thermohaline circulation
plants that we recognize today spend the majority of their life in the
Answer:
they spend the majority of their life in the Seed phase
Answer:
Sporophyte phase.
Explanation:
The plants present today have sporophyte as the dominant stage of their life cycle. The sporophyte phase is the seed phase and serves to produce spores. Germination of spore leads to the formation of the less conspicuous gametophyte.
Example: flowering plants have dominant sporophyte and reduced gametophyte.
We live in the Cenozoic era, and scientists know more about this era and the epochs it's divided into than any other time period. Why is this?
The Cenozoic era is the shortest and most recent era of all, the one that still lasts and we live in. The major reason why the scientists have by far the most knowledge about this era is exactly the fact that it is the most recent. Because it is the most recent era, the rock layers are better preserved, and in much lesser degree destroyed when compared to the previous eras. The fossils records are also much richer, as the fossils need longer periods of time to be destroyed, so there's an abundance of them. The other factor is that there a lot of remains in the most recent part of this era by the humans, which are also a nice representation of what has happened, how it happened, what were the living conditions etc.
Which When measuring the volume of a liquid in a graduating cylinder, you measure_____.
at the top of the meniscus
the average between the volume at the top of and the bottom of the meniscus
from the bottom of the meniscus
from the exact top of the liquid
Answer:
Option C, from the bottom of the meniscus
Explanation:
The meniscus in a graduated cylinder represents the volume of the liquid being measured
The prime aim is to take the reading at the center of the meniscus whether it takes concave shape or convex shape
In case of water, the reading is taken from the bottom of the meniscus and in case of mercury the reading is taken from the top of the meniscus.
However, except mercury in most of the cases the reading is taken from the bottom of the meniscus. Hence, option C is correct
Marcie enjoyed a late night out, eating and drinking, with friends. When she got home and took her shoes off; she noticed her ankles were swollen. What can you conclude is the reason for this?
A) She consumed high fat foods that lead to increased swelling.
B) She consumed high sodium foods that lead to an electrolyte imbalance.
C) She consumed sugary foods that lead to the pancreas secreting insulin.
D) She consumed so much liquid that the kidneys were unable to rid the body of the excess.
Answer:
Option D
Explanation:
The medical term used for defining a situation in which ankles and legs swell is called as edema
This swelling is primarily due to the fluid accumulation. Generally during the normal conditions, accumulated water is pumped back by lymphatics to the circulatory system but in abnormal condition, excess fluid seeps out of blood vessels and feet ankles etc swell.
Hence, otpion d is correct
Match each organ with the germ layer from which it is formed.
mesoderm
ectoderm
endoderm
Answer:
The correct answer would be- intestine: mesoderm, Bone: mesoderm and tooth enamel: ectoderm.
Explanation:
The three germ layers of form during the gastrula stage of the embryo development in triploblastic organisms. Every germ layer gives rise to different organism later in the development.
Ectoderm gives rise to the nervous system, tooth enamel, cornea and lens and epidermis and other.
Mesoderm gives rise to skeleton system, intestine, notochord, stomach and other.
The endoderm gives rise to the respiratory system, urinary system and other.
Thus, the correct answer would be- intestine: mesoderm, Bone: mesoderm and tooth enamel: ectoderm.
Suppose a person developed a mutation in a somatic cell which diminishes the performance of the body’s natural cell cycle control proteins. This mutation resulted in cancer yet, but was effectively treated with a cocktail of cancer-fighting techniques. Is it possible for this person’s future children to inherit this cancer causing mutation? Be specific when you explain why or why not.
Answer:
awdawd
Explanation:
Archaebacteria use _____ for movement. celia flagella pili cell walls
Archaebacteria use flagella for movement.
How do archaebacteria move?Archaebacteria being unicellular, are extremely small. Their method of movement comes from an organelle known as the flagella and a process known as Brownian movement.
What is flagella in archaea?The archaeal flagellum is a unique motility apparatus distinct in composition and likely in assembly from the bacterial flagellum.
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A - Prophase
B - Metaphase
C - Anaphase
D - Telophase
Choose the correct description for each phase of mitosis.
Label A
|| |||||||||||||||||||||||||||||||
A Centromeres are split apart and sister chromatids are pulled to opposite poles of the cell
B. The chromosomes that were doubled become attached to the spindle fiber by their centromeres
C. Chromatin in the cell coils into chromosomes that can be seen
D. Sister chromatids are separated and contain identical copies of DNA
Intro
Help!
Answer:
A - Prophase:::::::Chromatin in the cell coils into chromosomes that can be seen.
B - Metaphase :::::::The chromosomes that were doubled become attached to the spindle fiber by their centromeres.
C - Anaphase ::::::Centromeres are split apart and sister chromatids are pulled to opposite poles of the cell
D - Telophase:::::::Sister chromatids are separated and contain identical copies of DNA .
Explanation:
Mitosis:
It is the division process of the cell in which cell becomes divide into two equal halves each containing equal amount of DNA.
This division process is further divided into 4 subphases known as
Prophase
Metaphase
Anaphase and
Telophase
Answer:
Label A. Correct Answer Is C.
Label B. Correct Answer Is B.
Label C. Correct Answer Is A.
Label D. Correct Answer Is D.
Explanation:
Edge 2022
Which of the following is a chemical reaction?
A.
breaking a glass pane
B.
freezing water
C.
digestion of food
D.
cutting down a tree
E.
evaporation of rubbing alcohol
Answer:
The answer is c
Explanation:
on edmentum
14. Which process is occurring in this photograph of a glacier?
O A. Calving
OB. Melting
OC. Abrasion
D. Plucking
the process that is occurring in the photograph is glacial calving. this is because calving is breaking of ice chunks from the edge of a glacier.
SO, your answer is A. Calving
The process is occurring in this photograph of a glacier A. Calving. Therefore,A. Calving is correct.
The process occurring in the photograph of the glacier is calving.
Calving is the process by which chunks of ice break off the front of a glacier and fall into the ocean or a lake.
It is a normal part of a glacier's life cycle, but it is happening more frequently and rapidly due to climate change.
In the photograph, we can see a large chunk of ice breaking off the front of the glacier and falling into the ocean.
The glacier is also surrounded by icebergs, which are formed from calving events.
The other options are not as likely. Melting is a process in which ice changes from a solid to a liquid state.
Abrasion is a process in which rocks and other hard materials are worn away by friction.
Plucking is a process in which rocks and other materials are frozen to the bottom of a glacier and then pulled away as the glacier moves.
This process has several key features and significance:
Mechanisms of Calving: Calving can occur through various mechanisms, including ice fracturing, crevassing, and the separation of large icebergs.
Formation of Icebergs: When icebergs calve from glaciers or ice shelves, they create massive floating ice structures in the ocean.
These icebergs can vary in size, from relatively small pieces to colossal chunks, some of which can be many kilometers in length.
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How would a biologist classify the plant stem shown
Answer:
There is no picture so I don't know what it's supposed to be showing
Explanation:
What would most likely cause the cycle to continue?
a.An explanation inspires new questions and the process of making new observations.
b. A fact inspires new questions and the process of making new observations.
c.A careful systematic process is used in experiments to gather observations and data.
d.A fact is established and more data is needed to convince scientists that it is true.
the correct answer is A. an explanation inspires new questions and the process of making new observations.
Answer:
a. An explanation inspires new questions and the process of making new observations.
Explanation:
When we are researching a topic, we often begin with a question. However, it is very likely that in the process of researching in order to answer this question, we end up wanting to find out more about the topic. In this way, once we arrive to an explanation, we often have new questions, and we need to go back to the process of making new observations.
Scientific research about the nitrogen cycle and water quality is most
valuable to human populations with:
A
few sources of electricity.
B. few sources of fresh water.
C. large coastal populations.
D. large amounts of farmland.
Scientific research on the nitrogen cycle and water quality is most valuable to human populations with large coastal populations, as they heavily rely on coastal resources for various purposes. The correct option is C.
Large coastal populations are particularly dependent on the health of marine ecosystems, including water quality. The nitrogen cycle plays a crucial role in maintaining water quality, especially in coastal areas where nitrogen runoff from agricultural activities, sewage discharge, and atmospheric deposition can significantly impact marine environments.
Excessive nitrogen inputs into coastal waters can lead to harmful algal blooms, hypoxia (low oxygen levels), and eutrophication, all of which can have detrimental effects on marine biodiversity, fisheries, and human health. Research on the nitrogen cycle helps to understand the sources, pathways, and impacts of nitrogen pollution, allowing for the development of effective management strategies to mitigate its adverse effects.
Furthermore, large coastal populations often rely heavily on coastal resources for drinking water, recreation, tourism, and economic activities such as fishing and aquaculture. Therefore, maintaining water quality in coastal areas is essential for safeguarding public health, sustaining livelihoods, and preserving the overall well-being of coastal communities.
In conclusion, scientific research on the nitrogen cycle and water quality is most valuable to human populations with large coastal populations due to the significant ecological, economic, and societal implications of nitrogen pollution in coastal environments.
Scientific research on the nitrogen cycle and water quality is most valuable to human populations with:
C. large coastal populations.
Question:-
Scientific research about the nitrogen cycle and water quality is most
valuable to human populations with:
A. few sources of electricity.
B. few sources of fresh water.
C. large coastal populations.
D. large amounts of farmland.
Which organelle in a eukaryotic cell is most noticeable under a microscope?
nucleus
nucleolus
ribosome
nuclear envelope
Answer:
nucleus
Explanation:
how does a mutation in a sex cell affect an organism
D, since it only affects the sex cell which are for forming offspring.
Answer:
it only affects the offspring of the organism
Explanation:
apex
Oogenesis ultimately results in the production of how many cell(s).
Answer:
one cell
Explanation:
Oogenesis takes place in the outermost layers of the ovaries, ultimately resulting in the production of one cell.
Answer:
4 cells
Explanation:
Oogenesis ultimately results in the production of 4 cells.
Hope this helps!
Feel free to ask if you have anymore questions!
each trait of a plant is determined by______ A. an allele B. one gene C. a pair of genes D. one dominant gene
Answer:Pair of genes
Explanation:
The trait of the plant can be determined by the the pair of genes that is transferred from the parents to the offspring.
The genes that is carried from the parents has both the pair of genes. The dominant genes that is expressed in the generation is known as dominant gene. It is dominant over other gene.
The gene which is not expressed is known as recessive gene.Hence, the correct answer is option C.
name the glands associated with human digestive system
Answer: consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder).
A hill is made of rock particles of different sizes. Which of these agents of
erosion probably caused the hill to form?
A. Glacialice
B. Waves
C. Wind
D. Flowing water
Answer: The answer is A. Glacial Ice
Explanation:
Final answer:
Flowing water is the most probable agent of erosion responsible for the formation of a hill made of rock particles of different sizes, due to its capacity for erosion and deposition based on particle size and gravity's role in pulling it downhill.
Explanation:
A hill made of rock particles of different sizes is likely influenced by several agents of erosion. Among the listed options, flowing water is the most probable cause for the formation of such a hill. Flowing water can transport rock particles of various sizes through erosion and deposition processes. As water moves over land, it picks up smaller particles first, leaving behind larger particles which can accumulate to form a hill. Besides, water moving over steeper slopes increases erosion potential, contributing to the shaping of the landscape.
Although other agents like glacial ice, wind, and waves can also cause erosion, they are less likely to be responsible for the formation of a hill comprised of rock particles of mixed sizes. Glacial ice, for instance, typically forms more uniform deposits and has a distinct erosion pattern, including features like U-shaped valleys rather than hills mixed with varying particle sizes.
It is important to note that gravity also plays a role in the process of erosion by pulling water and ice downhill, which in turn shapes the earth's surface. Flowing water also contributes to the formation of distinctive geological features through the differential erosion of rocks with varying levels of erosion resistance.
Refer to the family pedigree shown here. In generation I, one parent is affected by the gene mutation and one parent isn't. In generation II, all three children are affected by the gene mutation. What can you conclude about this gene mutation?
A. All children born in future generations will be affected by this disorder.
B. This gene mutation is a dominant disorder.
C. This gene mutation is a recessive disorder.
D. The generation I mother is a carrier of this gene mutation.
Answer:
B. This gene mutation is a dominant disorder.
Explanation:
Since all the children in generation III do not have the disorder, there is no indication that all the children born in the future generations will be affected by this disorder.
The gene mutation appear dominant from the pattern of inheritance. The children in generation II are all affected because there are two dominant alleles for the disorder in the father. Some of the children in generation III do not have the disorder because only one allele is dominant in the mother, hence, the unaffected children inherited the non-dominant allele from the mother.
The gene mutation is not recessive, otherwise, not all the offspring in generation II are supposed to be affected for the disorder.
The mother in generation I cannot be a carrier because the disorder is a dominant one. There can only be heterozygous for a dominant disorder but they are usually phenotypically affected for the disorder.
The correct option is B.
Answer:
B. This gene mutation is a dominant disorder.
Which of the following is NOT considered an appendage of the skin?
nails
glands
follicles
none of the above
The appendages of the skin may include hair follicles, nails, sebaceous and sweat glands, arrector pilli, etc. Thus, the correct answer to this question is none of the above.
What do you mean by Appendages of the skin?The appendages of the skin may be defined as the structures that assist in controlling activities like sensation, lubrication, heat loss, contractility, etc.
All the above-mentioned appendages of the skin maintain thermoregulation, perspiration, homeostasis, excretion, sensory reception, etc. These appendages play specific roles in a definite manner.
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give an example in which the electrical energy changes to sound energy
Answer:
Sound energy is produced when an object vibrates. The sound vibrations cause waves of pressure that travel through a medium, such as air, water, wood or metal.
Explanation:
Please mark brainliest and have a great day!
Vibrations.
➤ Reason[[Im mainly going of the knowledge I already know, I don't know if I'll be wrong about any of this.]]
Electric energy is energy in general, which can totally cause somewhat disturbing vibrations to the surrounding area. Examples of this are thunder, but, the reason this doesn't count as it is actually converting electric energy, into heat energy, into sound energy. The heat warms up the air so fast it creates a wave of pressure, a shock wave, which is powerful enough to rumble into the distance for miles. What would count is electrical energy by itself. Everyone has heard the sound electricity makes when it zaps and buzzes. It can be rather loud to. This is the energy from the electricity causes vibrations, which is sound energy that can be heard by our ears. Electricity can also power things such as speakers which turn electrical pulses into sound that we can hear with our ears, which is kinda amazing. Science is epik.
✧ Oh god no, I dropped my bass, help.╚═⋄═◇═◈═❖═✧═☆═✧═❖═◈═◇═⋄═╝What are the two main phases of a cell cycle
Answer:
1. interphase
2. mitotic (M) phase
Explanation:
The two main phases of a cell cycle are interphase and mitotic (M) phase.
Hope this helps! Have a great day!
Answer:
Interphase and mitotic
Explanation:
Match the enzymes to their role in the DNA replication process
Key enzymes in prokaryotic DNA replication include DNA polymerase III, helicase, DNA gyrase, single-strand binding proteins, and primase. DNA polymerase III synthesizes new DNA strands and proofreads them for errors, while helicase and gyrase unwind and relieve stress on the DNA helix. Primase generates RNA primers to start replication.
During the process of prokaryotic DNA replication, a variety of enzymes work in concert to ensure accurate copying of the genetic material. A fundamental enzyme in this process is DNA polymerase III, which adds nucleotides to build a new strand complementary to the template strand, while also proofreading and correcting any errors made during replication. Another essential enzyme is helicase, which unwinds the DNA double helix at replication forks. DNA gyrase helps relieve the stress caused by the unwinding of DNA. Single-strand binding proteins (SSBs) stabilize the separated DNA strands to prevent them from re-annealing. And finally, primase synthesizes a short RNA primer, which is necessary for DNA polymerase III to commence the replication process.
The replication mechanism also deals with the challenges presented by the antiparallel strands, creating leading and lagging strands. The latter is synthesized discontinuously in the form of Okazaki fragments, which are later joined together to form a continuous strand.
Note that while the discussion here focuses on prokaryotic DNA replication, similar but not identical enzymes play roles in eukaryotic DNA replication, and the overall processes are conserved across life forms.
Which of the following accurately describes the correct order of events in the process of transpiration within a plant? A. Water enters the roots, passes through the leaves, and leaks through the stem pores. B. Water enters the roots, gets transported through the stem, and evaporates through the leaves. C. Water is absorbed through the leaves, is transported through the stem, and nourishes the roots. D. Water is absorbed through the leaves, nourishes the roots, and leaks through the stem pores.
Answer:
B. Water enters the roots, gets transported through the stem, and evaporates through the leaves.
Explanation:
Transpiration is a process through which nearly 99% of water of the plant is lost into the environment. The process of transpiration serves as the defense mechanism in a plant body which protects the plants from heat radiations of sun and produces cooling effect. Water is initially absorbed by the plant with the help of its roots. This water then moves against gravity in the upward direction due to transpiration pull through xylem tissue of stems. Water moves upward and reaches various parts of the plant including leafs. From leafs this water evaporates into the atmosphere. The sun rays falling on the leafs are utilized in evaporating this water rather than damaging the plant. So, transpiration is a type of defense mechanism in plants.
Apart from this transpiration also helps in gaseous exchange and flow of minerals within a plant body.
Final answer:
The correct sequence of events in plant transpiration starts with water uptake by root hairs, transportation through the stem, and eventual evaporation through the leaves' stomata.
Explanation:
The process of transpiration in plants involves several steps. Firstly, water enters the plant through root hairs, which are fine protrusions off the roots and provide a large surface area to absorb water and nutrients from the soil. Then, the water is transported upwards through the plant's stem via the xylem, a type of tissue designed for water transport. Finally, the water evaporates through the leaves, specifically from pores known as stomata. This evaporative process creates a negative pressure that assists in drawing more water up from the roots.
Given these steps, the correct order of events in the process of transpiration within a plant is described by Option B: Water enters the roots, gets transported through the stem, and evaporates through the leaves.
Where is the energy in a sucrose molecule stored?
O
A. Inside the hydrogen atoms
O
B. Inside the carbon atoms
O
c. In the bonds between the atoms
O
D. Inside the protons
Answer:
c. In the bonds between the atoms
Explanation:
The energy in a sucrose molecule is stored in the bonds between the atoms.
Hope this helps!
The energy stored in the sucrose molecule is stored in the bonds between the atoms.
Option C
Explanation:
During photosynthesis the sugar molecules are synthesized with help of captured light energy. The bonds between the carbon atoms of sucrose molecule are the covalent bonds and during their breakdown they produces reduced co-factors like NAD and FAD into NADH and FADH2. These reduced cofactors transfer their electrons into electron transport chain which later help ATP synthase to catalyse the production of ATP. Hence the bonds which were made by utilising the photon energy of sun are responsible for the production of energy molecule ATP so the energy is stored in the the bonds between the atoms of sucrose molecule.
Which of the following is true of red blood cells?
A. They have multiple nuclei
B. Once created in bone marrow, they circulate for our lifetime
C. They live for only 120 days
D. They live for only about 20 days
Answer:
C. They live for only 120 days
Explanation:
Well, not exactly 120 days but they live for about 100-120 days. red blood cells are also called erythrocytes. Unlike other cells, they do not have a nucleus. The red blood cells circulate through the body for about 100 to 120 days and are eventually recycled. Their main function is to carry oxygen to the different parts of the body.
Answer:
C
Explanation:
Protozoa are usually found in
Answer:
Protozoa's are usually found in fresh water and is free-living.
Explanation:
Hope my answer has helped you in any way!
Answer:
water
Explanation:
In what type of cell must a mutation occur for it to be passed to offspring
Answer:
The only mutations that matter to large-scale evolution are those that can be passed on to offspring. These occur in reproductive cells like eggs and sperm and are called germ line mutations. A single germ line mutation can have a range of effects: No change occurs in phenotype.
Explanation:
A mutation must occur in a germ cell, or gamete, for it to be passed to offspring. This type of mutation is known as a germline mutation, and it can be inherited, affecting every cell of the offspring.
For a mutation to be passed to offspring, it must occur in a germ cell, also known as a gamete. These germline mutations are present in the sperm or egg cells and can be transmitted to future generations. When such a mutation occurs, it can result in every cell of the offspring containing that mutation, as the mutation will be present from the initial zygote stage and is replicated during every cell division. Somatic mutations, in contrast, occur in the non-reproductive cells of the body and are confined to the individual in which the mutation occurs; they cannot be passed on to offspring.