The microscopic root hairs in plants are well adapted for their functions.
The root hairs are contained in plants. These root hairs are very small growths at the root of plants that can only be seen with the aid of a powerful microscope.
The following are the adaptations of root hairs;
They have a large surface area.The have a lot of mitochondria to enable active transport.Hence, the microscopic root hairs in plants are well adapted for their functions.
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Cells use ------ to take in large molecules or other cells
Answer:
Active transport by endocytosis. there is your answer. Explanation :Phagocytosis is the process by which cells ingest large particles, including other cells, by enclosing the particles in an extension of the cell membrane and budding off a new vesicle. During pinocytosis, cells take in molecules such as water from the extracellular fluid.
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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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:
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
Rama de la biología que estudia la estructura de los organismos
Answer:Anatomía. La anatomía es una de las principales ramas de la biología que permite a un individuo comprender la estructura y las partes de los organismos, incluidos los animales, los seres humanos y los organismos vivos.
Explanation:
Solar radiation can cause skin cancer in an individual. If a man with skin cancer caused by solar radiation has offspring, which of the following statements would be true? A. only the man getting skin cancer would be affected B. only the man and his male offspring would be affected C. only the man and his female offspring would be affected D. the man and all of his offspring would be affected
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.
What does a biological catalyst do?
Lowers activation energy
All of these
Is not used up during reactions
Speeds up reactions
Answer:
To answer the question of what is a biological catalyst, it is enzymes that help break down our bodily systems and help them function appropriately. Some examples of enzymes are: Maltase - These break down sugar maltose found in fatty foods like potatoes and pasta, into glucose.
Explanation:
Which of the following best describes daily temperatures in deserts? a. hot during the day and cold at night b. hot during the day and warm at night c. cool during the day and very cold at night d. they depend upon the type of desert and its location Please select the best answer from the choices provided A B C D
Letter "A" would be correct
Answer:
I think it's D..
Explanation:
There are different types of deserts.
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:
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:
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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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
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.
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
A cell that contains chloroplasts, a nucleus, and mitochondria is discovered. Biologists might decide it could
a. eukaryotic cell.
b. prokaryotic cell.
c. neither a eukaryotic or prokaryotic cell.
d. either a eukaryotic or prokaryotic cell.
Answer:
eukaryotic cell
Explanation:
because prokaryotic cells lack nucleus
Answer: eukaryotic cell
Explanation: Hope this helps :)
After a lion has made a kill, birds will sometimes arrive to pick at the leftover carcass. Which are the predators: the birds, the lion, or both? Why?
Answer:
The lion is the predator because the lion killed . Hope that helps
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.
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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What is the fundamental branch of Science from which Neuroscience stems, Biology, Mathematics, or Physics?
Answer:
Mathematics is the branch of science, which deals with numbers, involves calculations and mainly focuses on the study of quantity, shapes, measurements etc.
Which of the following statements about the light reactions of photosynthesis in chloroplasts is/are true?
A.
Chlorophyll (and other pigments) absorb light energy, which excites electrons.
B.
ATP is generated by photophosphorylation.
C.
The splitting of water molecules provides a source of electrons.
D.
None of these statements are true.
You may select zero, one, or many answers.
Submit response
Answer:
a, b, and c are true
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:
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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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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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.
what is an example of something that keeps our genes heathy ?
Answer:
I guess I would say water
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 )
_______________ are sounds the auditory apparatus makes.
vibrations
otoacoustic emissions
cochlear action potentials
none of the above
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
1
Which two ways do the black-tailed jackrabbit and the kit fox interact with the
desert environment?
Select two correct answers.
A
Black-tailed Jackrabbits and Kit Foxes interact with the desert
environment by providing food for plants.
Black-tailed Jackrabbits and Kit Foxes use water and air from the
environment to survive.
B
>
с
Black-tailed Jackrabbits and Kit Foxes obtain energy from consuming
other organisms.
Black-tailed Jackrabbits and Kit Foxes consume plants but do not
need the environment for survival
D
E
Black-tailed Jackrabbits and Kit Foxes meet their needs in their
environment by eating only plants for food.
Answer:
b
Explanation: