Hello There!
The part of the chloroplast that glucose production occurs in is called
"The Stroma"
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.
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
Which is most likely to be fossilized?
A.
hair
B.
eyes
C.
bones
D.
organs
Answer:
C. Bones
Explanation:
Bones fossilize over time, while hair, eyes, and organs, decay. This is why skeletons have no eyes, hair, and organs. And prehistoric fossils don't either.
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.
Check all that apply
Diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die?
1.The shells make up the diatomaceous earth used in filters
2.It can be used as an ingredient in abrasives
3.They are used in food products
4.The shells can be used in some insulating materials
Answer:
1.The shells make up the diatomaceous earth used in filters
2.It can be used as an ingredient in abrasives
Explanation:
Pinularia, Navicula, Fargilaria are some of the diatoms. These are included in the family Bacillariophyceae. They are unicellular, eukaryotic aquatic both freshwater and marine organisms having extremely beautiful silica shells or frustules. The diatoms are autotrophic and are a good source of food for marine organisms. Diatoms have very wide fossil record as some rocks are formed of fossil diatoms. They are called diatomite or diatomaceous earth. The deposits of diatoms are mined commercially as abrasives. It is used in filters to remove unwanted material from drinking water.
The silica shells of diatoms are used in diatomaceous earth for filtration, as abrasives in cleaning products, and in insulating materials. Food grade diatomaceous earth is also available. The correct options are 1, 2 and 4.
The silica shells of diatoms have several uses after the diatoms die. Firstly, the shells make up diatomaceous earth which is used as a filtering agent in products like swimming pool filters and in beer brewing. Secondly, due to their abrasive properties, diatomaceous earth is utilized as an ingredient in abrasives such as toothpaste and household cleaners. Finally, because of the insulative properties of silica, diatom shells can be incorporated into certain insulating materials. While not as widespread, there are also "food grade" diatomaceous earth products that are marketed with purported health benefits.
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:
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:
when you exhale, air in your lungs move from the __
Answer:
D? HOPE I'M RIGHT LOLZ
Explanation:
Answer:
A
Explanation:
Not positive but i think
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.
an alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire?
Answer:it is resilient
Answer:
Resilient
Explanation:
In ecology, resilience (or resilience stability) is the ability of a system to restore its balance after it has been disrupted by a disturbance, that is, its resilience. It differs from resistance, which is the ability of a system to maintain its structure and function after a disturbance. The term resistance (or resistance stability) is the ability of a system to maintain its structure and function in the face of a disturbance. For this reason, we can say that resilience best describes how Alaska's spruce forest reacts to fire.
Which of these layers will the water move easily? Check all that apply. A.rock B.soil C.clay granite D.organic E.layer
Answer:
a rock cause it moves easy in water
Answer:
Option A, B and D
Explanation:
Water will move easily through layers which have large inter particle voids that allow water to permeate through them easily. Hence, a rocky layer, soil, and organic matter will allow water to move easily.
Rocky layer has enough pores in them that allows water to pass through them vertically. While both soil and organic layer allow water movement in both horizontal and vertical direction.
A clay layer is not good for water percolation as clay absorbs water and doesn't allow it to pass.
Hence, option A, B and D is correct
Which type of mutation cannot occur in a child after birth?
Answer:
Somatic Mutation
Answer:
Somatic mutation.
Explanation:
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.
The water is heated until it boils
The temperature remains constant at boiling point
Explain the effect on the internal energy of the water and the movement of water molecules
Answer:
Its kinetic energy increases
Explanation:
Its molecules move very faster and some atoms go through ionization because the collision of the atoms because their increase in movement speed and intensity. Ionization is the loss or gain of electrons, which are around the nucleus of atoms. Since equals charges repeal and electrons have negative charges, they move from their levels of energy during collisions. Its conductivity can also become lower, because the flow of electrons can be interrupted by the violent movement of the molecules.
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
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).
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
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:
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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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.
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 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.
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
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
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.
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.
For such a more question on Calving
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Which organelle in a eukaryotic cell is most noticeable under a microscope?
nucleus
nucleolus
ribosome
nuclear envelope
Answer:
nucleus
Explanation:
Question 19 (5 points)
In the gaseous state _form diatomic covalent molecules.
noble gases
alkali metals
alkaline earth metals
halogens
Answer:
halogens
Explanation:
"HALOGENS"
table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
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.