Answer:
diffusion, osmosis and facilitated diffusion
What is the molecule in this image?
A. A carbohydrate
B. A lipid
C. A protein
PLEASE HELP I NEED HELP WITH THESE TWO QUESTIONS
Chromosomes are distributed randomly during anaphase I. What are the possible chromosome combinations in the two daughter cells? (Use DG, LG, DP, and
How does the random lining up of homologous chromosome in Metaphase 1 contribute to Genetic Variation?
IF YOU WOULD HELP ME IN ONE OF THEM IT WOULD BE GREATLY APPRECIATED
Question:
Chromosomes are distributed randomly during anaphase I. What are the possible chromosome combinations in the two daughter cells? (Use the following abbreviations for the chromosomes. Dark green -> DG; Light green -> LG; Dark purple-> DP, Light purple -> LP)
How does the random lining up of the homologous chromosome in Metaphase 1 contribute to Genetic Variation?
Answer:
Possible chromosome combinations:
LG,LP + DG,DP LG,DP + DG,LPThe random arrangement of tetrads is different in every cell going through the meiosis process. Any chromosome of the homologous pair might face any of the poles and then migrate to it. Each of the chromosomes has two possibilities for orientation at the plane. When the new haploid cells are formed, the number of variations in each cell is different and depends on the chromosomes that form that cell.
Explanation:
1) During meiosis, organisms can produce at least four different gametes. Anaphase occurs after the prophase where crossing-over has occurred. During anaphase 1, the homologous chromosomes separate, migrating to different poles.
The possible chromosome combinations in the two daughter cells of the exposed example are
LG,LP + DG,DP LG,DP + DG,LP2) Crossing-over between homologous chromosomes (prophase 1), the random lining of homologous chromosomes (metaphase 1), and random fertilization are the mechanisms involved in genetic variation.
During metaphase I, homologous pairs together migrate to the equatorial plane, where they randomly aline with their kinetochores facing opposite poles. The random arrangement of tetrads is different in every cell going through the meiosis process. There is no equal alinement between two cells. When tetrads aline in the equatorial plane, there is no predetermined order for each of the homologous chromosomes of each tetrad to face one of the poles and then migrate to it while separating. Any chromosome of the homologous pair might face any of the poles and then migrate to it. Each of the chromosomes has two possibilities for orientation at the plane. When the new haploid cells are formed, the number of variations in each cell is also different and depends on the chromosomes that form that cell. This random order in the equatorial plane is what introduces variation into the gametes. It is almost impossible that two gametes resulting from meiosis will get the same genetic charge.
Possible chromosome combinations:
LG,LP + DG,DP LG,DP + DG,LP
The random arrangement of tetrads is different in every cell browsing the meiosis process. Any chromosome of the homologous pair might face any of the poles and then migrate to it.
Anaphase I
Each of the chromosomes has two possibilities for orientation at the plane. When the new haploid cells are formed, the amount of variations in each cell is different and depends on the chromosomes that form that cell.
During meiosis, organisms can produce a minimum of four different gametes. Anaphase occurs after the prophase where crossing-over has occurred. During anaphase 1, the homologous chromosomes separate, migrating to different poles.
The possible chromosome combinations within the two daughter cells of the exposed example are-
LG,LP + DG,DP LG,DP + DG,LP
Crossing-over between homologous chromosomes (prophase 1), the random lining of homologous chromosomes (metaphase 1), and random fertilization are the mechanisms involved in genetic variation.
Metaphase I
During metaphase I, homologous pairs together migrate to the equatorial plane, where they randomly aline with their kinetochores facing opposite poles.
The random arrangement of tetrads is different in every cell browsing the meiosis process. There is no equal alinement between the two cells.
When tetrads aline within the equatorial plane, there's no predetermined order for every one of the homologous chromosomes of every tetrad to face one among the poles then migrate to it while separating.
Any chromosome of the homologous pair might face any of the poles then migrate thereto. Each of the chromosomes has two possibilities for orientation at the plane.
When the new haploid cells are formed, the amount of variations in each cell is additionally different and depends on the chromosomes that form that cell.
This random order within the equatorial plane is what introduces variation into the gametes. It is almost impossible that two gametes resulting from meiosis will get an equivalent genetic charge.
Therefore,the combinations of two daughter cells LG,LP + DG,DP and LG,DP + DG,LP.
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When a sperm cell and egg cell join together what is it called?
1. sperm
2. Gamete
3. baby
4. Zygote
Answer:
4. Zygote is the answer
Answer:
Zygote
Explanation:
During fertialization a sperm cell and an egg cell come together to form a zygote.
Which has the greater volume?
A. wood
B. white block
C. equal
ws
Answer:
wood
Explanation:
Explain how the geologic time scale is used to organize Earth’s history.
Think about how the geologic time scale was created and how it is divided. Then answer the following questions.
How did scientists from the geologic time scale?
How is this scale organized?
What processes changed the Earth's environment during Precambrian time?
Answer:
The first principle you need to understand about geologic time is that the laws of nature are always the same. This means that the laws describing how things work are the same today as they were billions of years ago. For example, water freezes at 0°C. This law has always been true and always will be true. Knowing the natural laws helps you think about Earth’s past, because it gives you clues about how things happened very long ago. It means that we can use present-day processes to interpret the past. Imagine you find fossils of sea animals in a rock. The laws of nature say that sea animals must live in the sea. That law has never changed, so the rock must have formed near the sea. The rock may be millions of years old, but the fossils in it are a clue for us today about how it formed.
Now imagine that you find that same rock with fossils of a sea animal in a place that is very dry and nowhere near the sea. How could that be? Remember that the laws of nature never change. Therefore, the fossil means that the rock definitely formed by the sea. This tells you that even though the area is now dry, it must have once been underwater. Clues like this have helped scientists learn that Earth’s surface features have changed many times. Spots that were once covered by warm seas may now be cool and dry. Places that now have tall mountains may have once been low, flat ground. These kinds of changes take place over many millions of years, but they are still slowly going on today. The place where you live right now may look very different in the far future.
The first principle you need to understand about geologic time is that the laws of nature are always the same.
What is the Time scale?Water, for instance, freezes at 0°C. This rule has held and will continue to hold forever.
Understanding natural principles facilitate historical thinking because it provides hints about how things were very long ago. It implies that we can interpret the past using current methods.
The rock must have formed close to the sea because this law has never changed.
Therefore, The first principle you need to understand about geologic time is that the laws of nature are always the same.
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What is a mutagen?
a environmental factors that cause mutations
b inherited mutations
C factor that immediately kills the organism
d cancer-causing agent
True or false: Guard cells close openings in the leaves slowing down water loss.
Answer:
True
Guard cells close openings in the leaves slowing down water loss.
Answer:
True
Explanation:
Stomata are pores in the leaf that allow gas exchange where water vapor leaves the plant and carbon dioxide enters. Special cells called guard cells control each pore's opening or closing. When stomata are open, transpiration rates increase; when they are closed, transpiration rates decrease. So when it is opened the water vapor depletes quicker but when its closed it slows down the process of depletion.
How are root cutting prepared
Would you rather burn to death or freeze to death? Hmm...
A. approach-approach conflict
B. avoidance-avoidance conflict
C. approach-avoidance conflict
D. double approach-avoidance conflict
Answer:
c
Explanation:
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Which type of precipitation is most likely to occur when both air and cloud temperatures are above freezing?
A) Rain
B) Snow
C) Hail
D) Sleet
Answer:
it should be A or rain to be specific
Answer:
rain
Explanation:
If the ar is above freezing, the precipitation will most likely be rain. If the air is below freezing, the precipitation will most likely be snow. When air temperature is only a few degrees above freezing, precipitation may fall as sleet. Hail is most commonly formed within the cumulonimbus clouds of thunderstorms.
HURRY
Which of the following phase changes occur due to an INCREASE in energy? (Pick all that apply)
a. Condensation
b. Boiling
c. Freezing
d. Sublimation
e. Melting
Answer:
Boiling
Explanation:
Boiling is an increase in energy.
Answer:
melting and condensation should go
You learned in the reading that some symbiotic relationships are helpful and some are harmful. Look at the symbiotic relationships listed below and select all where at least one organism is harmed (the reading calls these harmful relationships). Group of answer choices Commensalism Parasitism Mutualism Predator-Prey Competition
Answer: Parasitism, Predator-Prey, Competition
Explanation:
The symbiotic relationship is the relationship in which two distinct species are associated with each other. In the symbiotic relation the species may get harm or benefit of association. Parasitism can be defined as the symbiotic relationship in which one species get harmed and other one receives the benefit. For example, malarial parasite plasmodium derives the nourishment from the host body (human). Predator-prey relationship is also harmful as the predator kills the prey to obtain it as food. Competition is harmful in the sense two or more organisms of the same or different species compete for the same resource, the most dominant receives the resource the inferior organism is either killed or harmed in the fight for resources.
Benita is studying the erosion of soil after a heavy rainfall. She observes that rainwater washes away very little soil from areas under large trees. Which of the following best explains why?
Answer:
The roots of the trees help to hold the soil in place.
Explanation:
Answer:
The roots of the trees help to hold the soil in place.
Explanation:
4. Genes that are responsible for new characteristics that help a species survive in a particular environment
are most likely to do which of the following?
A. rapidly decrease in frequency
B. gradually decrease in frequency
C. increase in frequency
D. not change in frequency
Answer:
The correct answer is - increase in frequency.
Explanation:
According to the theory of Darwin, organisms most likely survive and reproduce in an ecosystem that is able to change or adapt to the changes in the ecosystem.
According to the modern evolutionary theory that the genes that are responsible for new changes or traits that help a species to reproduce and survive in a particular environment increase in frequency and the genes do not helps decrease in frequency.
HELP!!! I WILL GIVE BRAINLIEST!!!
Answer:
option A is the right answer for this que
Choose the arrow that shows the direction H+ will diffuse.
Answer:
the answer would be the arrow that is pointing down.
Explanation:
Remember that molecules and ions will move to a place of lower concentration from a place of higher concentration.
Answer:
its the arrow pointing down
Explanation:
i did trhe gizmo
the diagram shows a model of how a hydra reproduces by budding
Answer:
B. It shows offspring that have the same genes as the parent.
C. It shows asexual reproduction.
Explanation:
Hydra reproduces by budding which is kind of asexual reproduction. In budding, a small bud appears on the body of that organism and grow in size with the passage of time and finally detached from the parent body. so no fusion of gametes occurs so no chance of genetic variation. The offspring have the same genes as the parent because it forms from one parent.
How have trees adapted to survive through the cold winter months?
Answer:
Adaption
Explanation:
Adaptations. Deciduous plants handle the lack of water by shedding their leaves, which tend to evaporate water into the air. During cold winter months, most deciduous plants drop their leaves and go dormant. Plants may hold onto dead leaves for insulation, or use deep snow like a blanket to protect against the cold.
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Identify the 2 constructive processes from the list below.
A) A river wears away the land creating a canyon.
B) Over time a mountains top becomes less jagged and more rounded.
C) A volcano erupts and lava flows down its sides.
D) Silt is deposited at the mouth of a river.
Answer:
C, D.
Explanation:
C: The flowing lava creates extra rock. For example, entire islands are formed via this process of volcanos erupting, lava cooling, repeat.
D: Silt from erosion (erosion itself is considered destructive, but the resulting silt can turn into something constructive.) can build up entire mounds or mountains over time.
5. What was the effect of the English policy that gave British officials the right to search without cause, warehouses and ships belonging to colorist
Parliament passed additional policies to protect the colonists' property from seizure.
Parlament enforced the policies as a method to provide for defense of the colonists.
Colorists supported the policy as necessary to discourage taxes on goods.
Colorists protested the policy as an abuse of their individual rights.
Answer:
c
Explanation:
c
Colorists supported the policy as necessary to discourage taxes on goods was the effect of the English policy that gave British officials the right to search without cause, warehouses and ships belonging to colorist.
What are the roles of colorists?A colorist is a film industry professional who creates a visual color story for a production. In the post-production stage of the film making process, a colorist can use color editing software to add the desired hues, tones and color palates to an edited film.
They also work closely with editors to ensure they use similar software. Colorists have specific software package requirements because most colorists use Adobe products, specifically After Effects and Premiere Pro.
A Colorist is responsible for designing the color scheme of a film in order to achieve a specific mood or visual style. Colorists work closely with a film's director and director of photography to determine what color palette will best serve the story.
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Which of the following astronomical bodies is largest?
A) Jupiter
B) the Sun
C) the Moon
D) the Milky Way
Thank you ..!
Answer:
Explanation:
milky way
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Pls help me! It should be very easy. The Lin k Is Below. Just copy and paste it.
Help me out please
A) Tropism
B) Night
C) Photoperiodism
D) Plant Hormones
Answer:
c
Explanation:
In the Table of Elements, which SUBATOMIC particle of an Atom affects the arrangement of elements? *
Science
Answer:
A typical atom consists of three subatomic particles: protons, neutrons, and electrons (as seen in the helium atom below). Other particles exist as well, such as alpha and beta particles (which are discussed below). The Bohr model shows the three basic subatomic particles in a simple manner. Most of an atom's mass is in the nucleus—a small, dense area at the center of every atom, composed of nucleons. Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons. Neutrons are neutrally-charged. Electrons, which are negatively-charged, are located outside of the nucleus.
if glucose is in higher concentration outside the cell than inside, but the plasma membrane and other surface layers of the cell do not allow glucose to pass through, which is the most likely type of transport for glucose? and Why?
a simple diffusion
b Osmosis
c Facilitated diffusion via a gated channel
d Facilitated diffusion via an aquaporin
e Facilitated diffusion via an ion channel
Answer:
a
Explanation:
ok ok as you were saying you said it is hard for the glucose concentration in the body this also had to go out so but the plasma membranes and other surfaces layers cell layers of the layer of the soil do not allow to close glucose to pass through which is most likely type of transport type of transport for kids and you still said why it is because it gives energy to the body
Fragments of rock or lava that are sent into the air in a volcanic explosion are called
A) fumaroles
B) tephra
C) aggregates
D) cations
E) soil peds
Answer:
Fragments of rock or lava that are sent into the air in a volcanic explosion are called tephra.
Explanation:
The volcanoes come in different shapes and sizes, and with them come different types of eruptions as well. Some volcanoes have explosive eruptions, some mainly release ashes and gasses, while some erupt with lava flows. The volcanoes that have explosive eruptions release a lot of pyroclastic material often propelled high and wide around them.
Part of the pyroclastic material that is released is the tephra. Tephra is basically represented by fragments of very hot rock and lava that are shoot into the air during a volcanic eruption. The tephra is extremely dangerous, as it can be shoot out over a distance of several km, and being very heavy, very hot, and moving at very high speed, when it hits something it manages to destroy it or cause enormous damage, and if it is a living organism that is hot it will mean the end of it for sure.
Answer:
Tephra
Explanation:
Definition: rock fragments and particles ejected by a volcanic eruption.
help please I will mark brainiest
Answer:
A
Explanation:
Frida wants to measure the volume of a stone. She starts by pouring 473 mL of water into a large measuring cup. Then she drops in the stone. Now the water measures 499 mL. What is the volume of the stone?
A
15 g
B
26 mL
C
26 cm^3
3
D
62 cm^3
3
*don't respond if you don't know, irrelevant answers will be reported and removed*
Answer:
C
Explanation:
You subtract 499-473. That shows how much water is displaced and the volume of the stone. Hope this helps and have a great day!
Frida wants to measure the volume of a stone. The correct volume is B
The volume of the stone is 26 mL.
What is volume?
The initial volume = 473 mL
The final volume = 499 mL.
The final volume − Initial volume
= 499 − 473
= 26 mL.
Therefore, Frida wants to measure the volume of a stone. The correct volume is B .The volume of the stone is 26 mL.
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Why do hunters kill young deers instead of the old?
How could a rise of l m in the sea level directly affect humans?
A. Communities that depend on glacial run-off would face severe water shortages.
B. Residents of low-lying Islands in the Indian Ocean would be forced to abandon their homes.
C. Expansion of fertile floodplains along the Nile would make more land suitable for agriculture.
D. Residents along the U.S. east coast would become less vulnerable to storm surges and flooding.
