Answer:
so you dont die
Explanation:
Which structure allows
gases and nutrients in
and out of the cell?
A. mitochondria
B. cytoplasm
C. nucleus
D. cell membrane
The cell membrane allows gases and nutrients in and out of the cell.
The correct answer is option D, the cell membrane. The cell membrane, also known as the plasma membrane, is a vital component of all cells. It serves as a selectively permeable barrier that separates the internal environment of the cell from its external surroundings. One of its crucial functions is to regulate the movement of substances in and out of the cell, including gases and nutrients.
The cell membrane is made up of a phospholipid bilayer embedded with various proteins. These proteins play a role in facilitating the transport of molecules across the membrane. There are two main types of transport across the cell membrane:
Passive Transport: This includes processes like diffusion and facilitated diffusion, where substances move from an area of higher concentration to an area of lower concentration. Small gases like oxygen and carbon dioxide can passively diffuse through the lipid bilayer of the membrane.
Active Transport: This involves the use of energy to move substances against their concentration gradient, from an area of lower concentration to an area of higher concentration. Nutrients and other molecules can be actively transported using protein pumps.
In both cases, the cell membrane is responsible for controlling what enters and exits the cell, maintaining an appropriate internal environment for cellular functions. This selective permeability ensures that essential gases like oxygen and nutrients can enter the cell while waste products can exit. Thus, the cell membrane is a crucial structure that enables the exchange of gases and nutrients required for cellular metabolism and survival.
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Is grass a living thing
why yes it is
my proof : Plants are living because they grow, take in nutrients and reproduce. Trees, bushes, a cactus, flowers and grass are examples of plants. Plants are also living things. Plants are living because they grow, take in nutrients and reproduce.
This graph shows the harbor seal population in the gulf of Maine for a twenty year period. A population of seals with unlimited
resources will continue to grow exponentially as shown in the graph above. What are some density-dependent limiting factors that
would prevent continued exponential growth? Choose ALL that apply.
es )
Answer:
Explanation:
This graph shows the harbor seal population in the gulf of Maine for a twenty year period. A population of seals with unlimited
resources will continue to grow exponentially as shown in the graph above. What are some density-dependent limiting factors that
would prevent continued exponential growth? Choose ALL that apply.
es )
Three plants are grown in the same environmental conditions with equal sunlight, water, and space to grow. One plant grew to have a purple flower while the other two grew white flowers. What is the most likely conclusion that can be made for the change in flower color?(1 point)
Genetic factors caused environmental changes that caused the differences in flower color.
Genetic factors caused the differences in flower color.
Environmental factors caused a genetic mutation that caused the differences in flower color.
Environmental conditions caused the differences in flower color.
Answer:
The second answer choice.
Explanation:
Genetic variation must be the answer as the plants were grown in the same conditions. Therefore, the only source of variability might be genetic variation.
The first choice is not the answer because Genetic factors cannot cause the environment around the plant to change.
The third choice is not the answer because the Environmental factors are the same, and if they were really to cause a mutation, all three plants would mutate.
The fourth is the same reason as the third: if environemnt conditions affected the flower, all three plants would change color since they were all grown in the same environemnt, not just the one we see in the results.
Some significant floricultural species can now produce flowers with attractive and unique bloom hues thanks to recent advancements in genetic alteration techniques. Thus, option B is correct.
What are the genetic factor in developing organism?Flower color is governed by two primary gene families. Genes that code for the protein machinery needed to create pigment molecules are part of one category.
The second group includes genes that result in the production of regulatory proteins. The location, quantity, and kind of machinery that makes up the pigments are determined by regulatory proteins.
Flowers have genes that determine how they look, just like humans. These plants “give birth” to pigments, which result in a rainbow of hues.
The carotenoid substance that gives tomatoes and carrots their color also gives some flowers their yellow, red, or orange hue.
Therefore, Genetic factors caused the differences in flower color.
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Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
1. The images below show embryos of different species at different stages of development.
Label the images below with 1-4 from least developed to most developed.
A. 4.
B. 1
C.
3
D. 2
2. Which image above do you think is a human? Explain.
Gizmo Warm-up
ont fambra from
bacteria having cluster of flagella at both poles of the cell is known as
Bacteria having cluster of flagella at both poles of the cell is known as Amphitrichous bacteria.
WHAT ARE AMPHITRICHOUS BACTERIA?Amphitrichous bacteria are types of bacteria that have flagellum on each of two opposite ends. An example of amphitrichous bacteria is Alcaligenes faecalis.
In this type of bacteria, only one flagellum functions at a time. This causes the bacterium to reverse course.
Therefore, bacteria having cluster of flagella at both poles of the cell is known as Amphitrichous bacteria.
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A scientist hypothesized that when two pea plants, both having the genotype all of the offspring would have at least one dominant allele for either shape or color. Which conclusion is supported by the data in the dihybrid cross above?
Answer:
The conclusion is incorrect.
Explanation:
There is a chance that the offspring may have the genotype rryy, in which it has no dominant alleles.
How can accidental transfer of DNA impact a crime scene investigation? In addition, explain why accidental DNA transfer cannot be used as an excuse to throw away all DNA evidence found at a crime scene?
Answer:
orensically valuable DNA can be found on evidence that is decades old. However, several factors can affect the DNA left at a crime scene, including environmental factors (e.g., heat, sunlight, moisture, bacteria, and mold). Therefore, not all DNA evidence will result in a usable DNA profile.
Explanation:
Answer this question if you know the answer
Do you believe in the sanctity of life? Why/ why not?
Answer:
Yes
Explanation:
Part of religion
What pattern would you expect to see in measurements taken in the Southern Hemisphere over course of a year?
Answer:
The CO2 concentrations would be lowest in April-May and highest in September-October.
Explanation:
3. Label the diagram with the following words
DNA
Cell
Gene
Chromosome
nucleus
Base Pair
!!!!!!
(Don’t worry about number 2)
Answer:
ok so i think the X shape is a chromosome, that blank space in the big spot is calleed a nucleas. The arrow on the top right is a cell, the bottom right is base pair, the bottom left is dna and the top middle is called the gene.
Explanation:
Which one of the following provides natural passive immunity colostrums milk powder water with sugar vaccination
Answer:colostrums
Explanation:colostrums contains antibodies, last for a period of time in the body.
Heeeeeeeeeeeeelp please help me with this now
Answer:
1. Temperature of the Earth over time
2. warm
4. That’s you.but I personally think it’ll gradually go up
5. Depends how you answered it, tell me if you need help or not
Explanation:
1.It talks about the overall graph
2.The Line shows and is labeled Average, the straight line shows the average temperature (is that confusing?)
4-5.Global warming and the graph helps show the increase of temperature so far and it’s educated guess
MacArthur and Wilson found as distance from New Guinea __________ the number of bird species on Pacific Islands __________.
Answer:
MacArthur and Wilson found as distance from New Guinea increses the number of bird species on Pacific Islands decreases.
Question 1) Describe what is meant when water is called a polar molecule? ( Will Mark Brainliest).
Answer: Water is a "polar" molecule, meaning that there is an uneven distribution of electron density. Water has a partial negative charge ( ) near the oxygen atom due the unshared pairs of electrons, and partial positive charges ( ) near the hydrogen atoms.
Explanation: dont have one
Answer:
It's the right answer already
Why would cladistics classify birds and reptiles in a single class
Answer:
Vertebrae
Explanation:
both birds and reptiles have a backbone or a vertabrae. therefore they are Vertebrates.
Hope this helped!
the intercrop can be planted in 6 ways
Answer:
Spatial Arrangement in Intercropping
In multiple cropping by intercropping, the intercrop can be planted in any of the following ways: (1) within the rows of the maincrop, (2) between the rows of the maincrop, and (3) in replacement series (Abellanosa AL, HM Pava.
A significant amount of legislation passed in the 20th century sought to reduce the risk of future economic events like the liquidity crisis
experienced by banks during the Panic of 1907. Which of the following policies would increase the risk of a liquidity crisis?
The policy which would would increase the risk of a liquidity crisis is Banks
being required to store a smaller percentage of depositor funds in their
vaults.
Liquidity occurs when there is an increase in demand and decrease in
supply. Banks usually have a large percentage of depositor funds stored in
their vault to prevent these occurrence.
In situations whereby they store a smaller percentage of depositor funds in
their vaults , it will lead to a liquidity crisis as they won't be able to cater for
the immediate needs of the depositors.
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Only 3% of the water on earth is fresh water, the kind we need for drinking and growing food. Of that 3% , how much is locked in ice caps, and permanent snow.
This means that only a very small amount of fresh water is readily available for human use, making it important to conserve and protect this valuable resource.
When answering questions on the Brainly platform, it is important to be factually accurate, professional, and friendly. Answers should be concise and provide relevant information to the question being asked. It is also important to use proper grammar and spelling, and to avoid irrelevant or extraneous details.
Additionally, the terms provided in the student question should be incorporated into the answer, which is as follows:Only 3% of the water on earth is fresh water, the kind we need for drinking and growing food. Of that 3%, about 68.7% is locked in ice caps and permanent snow.
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what is meant by chewing the cub?
informalif you chew the cud, you spend a long time thinking or talking about something. Synonyms and related words. To think carefully or a lot about things.
Question 8
1 pts
Products produced by photosynthesis are necessary for eukaryotic
organisms to exist. What are these products?
Answer:
CO2 and carbohydratesExplanation:
in fungi
Why are plants called autotrophs?
A. They have the ability to make their own food
B. They have the ability to flower
C. They have the ability to reproduce
D. They have the ability to decompose matter
Answer: A. They have the ability to make their own food
Explanation: An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
Answer: The correct answer is "They have the ability to make their own food."
Explanation:
I took the test
g persons with the inherited disease familial hypercholesterolemia have very high levels of cholestoral because of
Answer:
a genetic mutation passed on by one or two of their parents.
Explanation:
How does the environment influence the traits of an individual?
Answer:
If an organism is living in an unhealthy environment, that could lead to hunger, dehydration, no shelter, and possibly death.
Explanation:
Define viral plaque forming unit .
Answer:
A plaque-forming unit (PFU) is a measure used in virology to describe the number of virus particles capable of forming plaques per unit volume
What is mars' origin of the name?
Answer:
Mars was named by the ancient Romans for their god of war because its reddish color was reminiscent of blood
Explanation:
Describe the rock layers shown in Diagram A and any forces acting on the rock.
The rock in diagram A has three horizons and no force acts on it.
What is a rock?A rock is a geological term that refers to solid materials, made up of crystals or grains of one or more minerals. Rock is the main material in the Earth's crust.
Four diagrams of the Earth's crust are shown in the image. All four have three horizons and different forces influence them except A. These forces are caused by the movements of the Earth's lithosphere and are represented by arrows in the direction of movement.
In the case of diagram A, having no arrow means that no force acts on it. Additionally, you can see the three horizons or layers that make up this sample of land.
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You are a red blood cell in the LEFT VENTRICLE of the heart. In the correct sequence, which blood vessels must you pass through in order to get down to the RIGHT wrist (the palmar arches)?
The correct sequence of blood vessels that must be passed to get to the Right wrist is :
From the Left ventricle --> Aorta ------> Brachiocephalic artery ------> Right subclavian artery -----> Right axillary artery -----> Right brachial artery-------> Right ulnar and radial arteries -----> Right wrist .The Aorta is the first passage( blood vessel) of the oxygenated blood, pumped out of the left ventricle of the heart, It forms an arch through which other arteries like Brachiocephalic artery originates to distribute blood to the upper parts.
The right subclavian, axillary and brachial all supply blood to the right arm while the Right brachial artery further divides into Right Ulnar and radial arteries.
Hence we can conclude that The correct sequence of blood vessels that must be passed to get to the Right wrist is :
From the Left ventricle --> Aorta ------> Brachiocephalic artery ------> Right subclavian artery -----> Right axillary artery -----> Right brachial artery-------> Right ulnar and radial arteries -----> Right wrist .
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some scientists predict that if global warming continues over the next few centuries, melting of the polar ice caps will rise the level of the oceans causing some peninsulas to become islands. how might this change eventually affect the species that live on these peninsulas?
Answer:
As global warming causes more snow and ice to melt each summer, the ocean and land that were underneath the ice are exposed at the Earth's surface. Because they are darker in color, the ocean and land absorb more incoming solar radiation, and then release the heat to the atmosphere.
what valve separates two chambers and how do they function by preventing the
blood to go to what direction?
Answer:
bicuspid and tricuspid valve
Explanation:
Tricuspid valve separates right auricle and ventrical whereas bicuspid separates left auricle and ventrical.
they help by preventing the back flow of the blood by avoiding them to go to the position where they came from.