Biology High School

identify structure 1 and describe its main function.

identify structure 3 and describe its main function.

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Identify Structure 1 And Describe Its Main Function.identify Structure 3 And Describe Its Main Function.

Answers

Answer 1

Structure 1 is the "cell wall"

Cell wall functions are:-

1. Provide support and limited plasticity.

2. Prevent loss of water

3. Protects from insects and pathogens

4. Prevent over expansion caused by too much water

5.Keep the shape of the plant

6. Allow plants to grow to great heights.

Structure 2 is the "vacuole"

vacuole functions are as follows:-

1.The main function of vacuoles is the storage of many important molecules like amino acids, sugars, various organic acids, and some proteins.

2. In plants, the vacuoles are very large in size and filled with cell sap that helps to maintain the trugidity and rigidity of the cell.

Related Questions

Which of the following occurs when the evolutionary effects of genetic drift is the greatest?

The population size is small
The population size is large
$exual selection occurs
Intraspecific competition is weak

Answers

Answer:

The population size is small

Explanation:

Genetic drift is a mechanism of evolution in which allele frequencies of a population change over generations due to chance (sampling error). Genetic drift occurs in all populations of non-infinite size, but its effects are strongest in small populations.

Answer:

The population size is small.

Explanation:

In a population of birds, the color of their feathers is controlled by an incompletely dominant gene. Homozygotes of one type are sky blue, homozygotes of the other type are mauve, and heterozygotes are cobalt colored. Population 1 contains 10,000 birds and 6,400 of those 10,000 are sky blue. Population 2 contains 10,000 birds and 900 of those 10,000 are sky blue. Both populations are under Hardy-Weinberg Equilibrium. Determine the HWE frequencies of each color in each population separately.

Answers

Answer:

if it contains 10000 than it must be 100373282

Explanation:

The propagation of an action potential along the plasma membrane of a cell is dependent on the presence of

Answers

The propagation of an action potential across the plasma membrane of a cell depends on the presence of propagating electrical impulses.

What is a membrane action potential?

The nerve impulse (or action potential) is a rapid change in the electrical potential of the membranes of neurons. For brief moments (few milliseconds) the electrical charge inside the nerve cell becomes more positive than the outside.

With this information, we can conclude that the propagation of an action potential across the plasma membrane of a cell depends on the presence of propagating electrical impulses.

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what happens when a cold front replaces a warm front

Answers

Answer:

When a cold front overtakes a warm front, it creates what's called an occluded front that forces warm air above a frontal boundary of cooler air masses.

Explanation:

The presence of a cold front means that cold air is advancing and pushing underneath warmer air. This is because the cold air is ‘heavier,’ or denser, than the warm air. Cold air is thus replacing warm air at the surface.

The central point that is used when the abdomen is divided into four quadrants is the:.

Answers

The central point which is described as the abdomen is categorized into four quadrants is the abdominopelvic quadrants.

What are abdominopelvic quadrants?

The abdominal region is generally divided into quadrants, which is referred to as abdominopelvic quadrants.

The four abdominopelvic quadrants are as follows:

Right-upper quadrant (RUQ).Left-upper quadrant (LUQ).Right-lower quadrant (RLQ).Left-lower quadrant.

Thus, The central point which is described as the abdomen is categorized into four quadrants is the abdominopelvic quadrants.

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Eating Insects to Feed the World, could mealworms be a more sustainable protein source than beef? Why?

Answers

Answer:  There is a sustainable alternative to going meat-free, the FAO says: edible insects. Grasshoppers, crickets and mealworms are rich in protein, and contain significantly higher sources of minerals such as iron, zinc, copper, and magnesium than beef.

Explanation:

Which of the following best explains the impact urbanization has on the carbon cycle? (4 points)
An increase in the population results in the depletion of groundwater, causing sinkholes to occur.
Decaying organic matter increases in landfills, which increases the amount of carbon dioxide in the atmosphere.
Human-made structures absorb solar radiation and cause an acceleration of the greenhouse effect.
Increased runoff causes soil to erode and prevents the growth of vegetation.

Answers

The option that best describes the impact of urbanization on carbon cycle is : ( B ) Decaying organic matter increases in landfills, which increases the amount of carbon dioxide in the atmosphere.

Effects of the organic matter on the environment

When organic matter decays, this leads to an increase in landfills and as the landfills increases there is also a  corresponding increase in the amount in the carbon dioxide which will be released into the atmosphere.Also  an increase in the population of an area does not result in the increase of carbon dioxide in the atmosphere.

Hence we can conclude that The option that best describes the impact of urbanization on carbon cycle is Decaying organic matter increases in landfills, which increases the amount of carbon dioxide in the atmosphere.

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Which of the following does not result to genetic variation and changes in gene frequency?
a. no gene flow
b. a typhoon that killed individuals belonging to a population composed of five alleles for a certain gene
c. a group of individuals isolating themselves from a larger population
d. modifications or changes in the specific DNA sequence of an organism

Answers

Answer:

a. no gene flow

Human development may change depending upon the environment. This is because development is​

Answers

Answer:

This is because development is dynamic process.

A bird species known as the cattle egret is often found near farms in wet areas. The bird waits, sometimes even perched on a cow's back, until the cow kicks up a frog or fish while it walks. Then, the bird strikes and eats the exposed prey. This is an example of what kind of feeding relationship

Answers

This is commensalism because one organisms benefits (the egret) and the other is unaffected (the cow).

The interaction between a cattle egret and a cow is an example of Mutualism.

What is the Feeding relationship?

The feeding relationship may be defined as a classification of species interaction through which the organism of one species feeds on the other via interacting with it.

Mutualism is a type of +,+ relationship in which the species of a cattle egret benefitted due to the consumption of prey that is present on the cow's back, on the other hand, the cow also gets benefits by cleaning the body (back) by cattle egret.

Therefore, it is well described above.

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explain micronutrients

Answers

Micronutrients are essential dietary elements required by organisms in varying quantities throughout life to orchestrate a range of physiological functions to maintain health.

Answer:

Micronutrients are vitamins and minerals needed by the body in very small amount

Explanation:

because the definition match

Can someone check if my answers are correct or wrong? thanks

Answers

Answer:

Your answers are correct or at least from the information I know and read super sorry if wrong but everything checks out!

How many chromosomes does the human genome contain?.

Answers

Forty six chromosomes

see the file attached!o(〃＾▽＾〃)o

Ecosystem ________________ is anything that disrupts the homeostasis of an ecosystem.

A. disturbance
B. resistance
C. resilience
D. respiration

Answers

the answer is C
explanation


Highland Village, Texas, has implemented a program that involves parents working with police to guide at-risk young people. If a young person is caught committing a petty
crime, police work with their parents to decide on a punishment that the parents can enforce. What kind of police program is this an example of?
OA specific deterrence program
OB. community policing program
OC due process method program
OD. police-community relationship program

Answers

The kind of police program is an example of a police-community relationship program. Thus, option "D" is correct.

What is community policing?

Community policing is an organizational philosophy that encourages the methodical use of problem-solving and partnership tactics to address the underlying conditions that lead to public safety issues like;

Social disorderCrimeFear of crime

Thus, option "D" is correct.

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Dna telomerase is one of the last enzymes
used in dna replication.
what does dna telomerase do for dna
replication?
a. adds base pairs during replication
b. unwinds the dna helix at the start of replication
c. adds a tail to the dna strand at the end of replication
d. adds the backbone to the new strands during replication

Answers

DNA telomerase adds a tail to the DNA strand at the end of replication. Thus, the correct option is C.

What is DNA replication?

DNA replication may be defined as a biological process in which the genome's DNA is duplicated in cells. It is completed in three steps, i.e. initiation, elongation, and termination.

DNA telomerase is an essential enzyme in DNA replication that augments the ends by duplicating the RNA template and extending one end of the chromosome.

Therefore, the correct option for this question is C.

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Answer: c. adds a tail to the dna strand at the end of replication

Explanation:

Stage of photosynthesis​

Answers

Answer:

1.we exhale carbon dioxide while the plants inhale it

2.sunlight gets absorbed through leaves

3.plants take water up their roots

4.in return we get oxygen and the plants get glucose (or sugar to survive

reactants                                           products

H2O+Sunlight+CO2==========>Glucose+O2

Why are seeds an evolutionary advantage for seed plants?

Seeds allow for the transport of water and nutrients.

Seeds develop into adults without s x u a l reproduction.

Seeds protect the plant embryo and its food source.

Seeds provide the materials for photosynthesis.

Answers

The seeds an evolutionary advantage for seed plants because seeds develop into adults without sxual reproduction which means letter B.

What is the evolutionary importance of the seed?

Seeds play an important role in the dispersion of plant species, that is, they ensure that plants spread throughout the environment. In addition to guaranteeing a greater area of ​​domain for the species, competition between the newly born plant and the mother plant is also avoided.

Seeds allow the expansion of a type of plant around the world in addition to being a form of asexual reproduction that makes it unnecessary to join gametes.

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Real answer is c good luck guys

Which of these is a renewable resource humans depend on? A) crude oil. B) Fertile soil. C) Natural gas. D) fossil fuel

This is the exact question and non are renewable so I don't understand

Answers

Answer:

fertile soil is the renewable source

Within a phase, a change in heat causes the temperature of the substance to _____ as the _____ energy of the molecules changes. During a phase change, however, a change in heat causes a change in the _____ energy of the molecules and the temperature will _____.

Answers

Within a phase, a change in heat causes the temperature of the substance to change as the kinetic energy of the molecules changes. During a phase change, however, a change in heat causes a change in the potential energy of the molecules and the temperature will stay the same.

What is Potential energy?

Potential energy may be defined as a form of accumulated energy that relies upon the comparative situation of diverse parts of a system.

The above passage determines the differentiation between the kinetic and potential energies with respect to temperature and phase change.

Therefore, it is well described above.

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how did james hutton's beliefs differ from the beliefs of his time?

Answers

Hutton's ideas were diametrically opposed to much of this contemporary theory. He asserted that many rocks had indeed been formed by sedimentary processes—i.e., that rock particles had been washed off the land into the oceans, had accumulated in beds there, and had solidified into rocks.

Hope it helps!!

Influenza, strep throat, measles, and the common cold are all infectious diseases. Which of the following methods can be used to
avoid getting infectious diseases?
OA. sharing a drink only with family members
OB. not washing fruit before eating it
OC. petting a sick animal
OD. washing your hands before eating

Answers

Answer:

D. Washing your hands before eating.

Explanation:

Option a, b and c are examples of not practicing proper hygiene and they increase the chances of you getting diseases. Option D is the only example that practices proper hygiene.

Answer quickly please

Answers

B, the others are not testable under lab conditions.

Which item is a carbon sink?
O A. Soil
OB. Animal respiration
OC. Clouds
OD. Plant respiration

Answers

soil is the answer. i hope this helps!!

Which led most directly to the decline of the latin language?
oa. the death of joan of arc
ob. fear of witchcraft
oc. the great schism
o d. interest in poetry

Answers

The great schism was what led to the decline of the latin language and is denoted as option C.

What is Great schism?

This was characterized by Christianity being divided into two divisions, Roman Catholic and Eastern Orthodox.

This led to the latin language being replaced with others such as Greek etc in this scenario.

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When the body uses nonspecific immune defenses, how is the body defending itself?.

Answers

Even openings in the skin (such as the mouth and eyes) are protected by saliva, mucus, and tears

The austrian monk whose experiments with pea plants were the beginning of our understanding of genetics was:.

Answers

i don’t know jsjsjisowowokskx

Which best indicates pen pressure in handwriting analysis?

The height-to-width ratio is uniform.

The capital letters and lowercase letters are connected.

The letters are either above, below, or on a baseline.

The downstrokes and upstrokes are an even width .

Answers

Answer:

The letters are either above, below, or on a baseline.

Explanation:

What are human sources of excess nutrients (nitrates and phosphates) in streams?

Answers

Fertilizer, waste Water ,automobile,exhaust,animal waste

What is the largest species of sea turtle in the world.

Answers

Answer:

The leatherback turtle

Explanation:

The Leatherback is the largest sea turtle existing today, which can reach up to 2000 pounds in weight and 8 feet in size.

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