describe how the structure of the cuticle, palisade mesophyll, spongy mesophyll and guard cells are adapted for their functions​

Answers

Answer 1

Answer:

Cuticle - It also has a waxy material that protects the leaf from attacks by bacteria, protects inner tissues from mechanical damage and acts as a water proof layer to prevent excessive water loss.

Palisade mesophyll - They have many chloroplasts used to absorb light energy used for photosynthesis.

Spongy mesophyll - The cells are loosely packed together leaving air spaces that allow for air circulation and gaseous exchange.

Guard cell - They have thick inner walls and thin outer walls to control the opening and closing of the stomata.


Related Questions

Which of the following represents a mutualistic relationship?
1 point
Both organisms benefit
Both organisms do not benefit
One benefits and the other is unchanged
One benefits and the other is harmed

Answers

Answer: both organisms benefit

Explanation: mutualistic means that it is beneficial to both organisms involved

Hope that helped :)
Answer: Both organanisums benefit each other.
Explanation: Think of it as a business deal.If both the organisms give each other vital needs to survive,then we call that a mutual relationship. Example: rhizobium gives plant converted nitrogen and the plant give the bacteria the food water etc.

In the 1950s the structure of DNA was discovered by using models and x-ray chromatography currently science has used advanced technology to completely map out the genes in a human's body. What would be the best advantage of using this information?

Answers

Answer:

Gene therapy to correct defective genes that cause diseases.

Explanation:

Gene therapy refers to the procedure that involves the introduction of nucleic acids (DNA or RNA) into the cells of an organism for the purpose of correcting abnormalities, such as a mutations or in other words to treat a genetic disease.Gene therapy entails bringing a normal and functional gene known as a trans-gene into a cell with altered gene. Another method can bring RNA capable of partially regulating or blocking the expression of an altered gene.The nucleic acids are introduced into the patient's cells by means of a viral vector or injected directly into the cells in the form of naked DNA.

pls mark brainliest

Which of the following could your family do to lower its carbon footprint?

Answers

Answer:

That's correct

Explanation:

Insulating homes lower footprint

Set the thermostat 2 degree warmer in winters could lower your family carbon footprint.

What is carbon foot print ?

A carbon footprint is the total amount of greenhouse gases (including carbon dioxide and methane) that are generated by our actions.

What does reducing carbon foot print mean?

Reducing your carbon footprint at home typically means consuming less energy.

To learn more about carbon footprint , here

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Alto-cumulus clouds belong in which level of the atmosphere?
High level
Mid-layer
Low level
Very High level

Answers

At a very high level of the atmosphere

Cloudlets, also known as altocumulus clouds, are tiny mid-level layers or patches of clouds that are most often seen as spherical clusters. Therefore, option (B) is correct.

What are alto-cumulus clouds?

Cloudlets, also known as altocumulus clouds, are tiny mid-level layers or patches of clouds that are most often seen as spherical clusters. However, since there are so many different types of altocumulus, they may take on a variety of forms.

Indicators of convection, or increasing heat, in the atmosphere include altocumulus clouds. Warm air rises into the sky, where it cools and condenses nearby water droplets to create the cloud formations that we see from the ground.

Learn more about alto-cumulus clouds, here:

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Why are fungi more like animals than plants?

PLEASE HELP ME

Answers

Answer:

Hey mate.....

Explanation:

This is ur answer.....

However, unlike plants, fungi do not contain the green pigment chlorophyll and therefore are incapable of photosynthesis. That is, they cannot generate their own food carbohydrates by using energy from light. This makes them more like animals in terms of their food habits.

Hope it helps!

Brainliest pls!

Follow me! ;)

1. Most students in Britain take the GCSE when ____________.

A. They are 11 years old

B. They are 16 years old

C. They finish grade 10

D. They begin grade 11

2. What is the first thing you’ll notice when you visit almost any school in Britain?

A. The school logo

B. The school gate

C. The school playground

D. The school uniform

3. What do most teenagers in Britain prefer to wear?

A. Trendy labels

B. Expensive uniforms

C. Fashionable hats

D. Economical trainers

4. The word ‘highlight’ in paragraph 2 is closest in meaning to __________ .

A. Confuse

B. Remark

C. Emphasise

D. Decrease

5. According to the passage, which of the following statements is NOT true?

A. Students in Britain can take 8 subjects at the GCSE.

B. Most British teenagers spend 2-3 hours watching TV after school.

C. Most 16-year-old students in Britain don’t like school uniforms.

D. Many British teenagers judge their friends by their shirts or trainers.

Answers

Answer:

1.c

2.d

3 .d

4.a

5.c

this is all I got

write at least 4 dyes used for staining?

Answers

Answer:

Staining dyes are dyes used for staining in microbiology and histology.

Escherichia coli infections Multiple Choice can cause an inflammatory disease similar to Shigella dysentery. include urinary tract infections from normal flora strains. All of these choices are correct. are often transmitted by fecal contaminated water and food. involve enterotoxin in traveler's diarrhea.

Answers

Answer:

E. All of the choices are correct.

Explanation:

Escherichia coli infections

A. are often transmitted by fecal contaminated water and food.

B. include urinary tract infections from normal flora strains.

C. involve enterotoxin in traveler's diarrhea.

D. can cause an inflammatory disease similar to Shigella dysentery.

E. All of the choices are correct.

Annette has her thyroid gland removed because of a malignant tumor. She takes synthetic thyroid hormone to replace the thyroxine that her thyroid gland would have produced, but she is worried about her blood calcium level since she has lost her source of calcitonin. Does she need to worry about this problem

Answers

Answer:

She doesn't need to worry if her parathyroid glands are working.

Explanation:

Although Annette has to worry about the impacts of thyroid gland removal and synthetic thyroid hormone intake, the calcium levels in her body need not be a concern as long as her parathyroid glands are functioning normally.

This is because the parathyroid glands are responsible for regulating calcium levels in the blood, through the production of parathyroid hormones or parathormone.

What is not an issue regarding DNA identification?
(A) It is not very reliable
(B) Having databases of millions of DNA profiles can result in more incorrect coincidental matches with partial samples
(C) There is disagreement about whose DNA should be included in the database
(D) Private information related to peoples genetic makeup could get out, which could result in discrimination against them on that basis

Answers

Answer:

(A) It is not very reliable

Explanation:

Having a database would cause lots of issues and disagreements

the color which we see when we close our eyes are called?​

Answers

Explanation:

The colour which we see when we close our eyes is called Eigengrau which is different from black. It happens due to a phosphene that allows us to block the natural light and get into a dark colour called Eigengrau 

MARK AS BRAINLIST IF IT IS USEFUL

Answer:

Black

Explanation:

is this correct?

Why does scattering of light occur ?

Answers

Mie scattering is caused by pollen, dust, smoke, water droplets, and other particles in the lower portion of the atomosphere

how do scientists test their hypothesis

a. stating a problem
b. conducting experiments
c. communicating results
d. stating a conclusion ​

Answers

Answer:

B

Explanation:

Answer:

B.

Explanation:

They conduct multiple experiments to test their theories and hypothesis, and if it comes out wrong, or different, they keep conducting experiments to find the correct answer or solution

HELP!!!!!!!!!! Which of the following statements regarding membrane transport is false? I will mark brainliest!!!!!!!

Answers

Answer:

It is the 3rd one I believe

Name three kinds of prokaryotic cells

Answers

Answer:

Euryarchaeota

Crenarchaeota

Nanoarchaeota

Answer:

lactobacillus acidophilus.

Cyanobacteria.

Archaea.

PLEASE HELP MAX POINTS AND BRAINLIEST
Which of the following statements best proves that the law of conservation of mass is obeyed during photosynthesis?

a. The starting total number of oxygen atoms in carbon dioxide is equal to the ending total number of oxygen atoms in glucose.

b. The starting total number of oxygen atoms in carbon dioxide gas is equal to the ending total number of oxygen atoms in glucose and oxygen.

c. The total mass of glucose and oxygen formed from photosyntheesis is equal to the total mass of carbon dioxide and water used up during the reaction.

d. The total mass of glucose and carbon dioxide formed from photosynthesis is equal to the total mass of oxygen and water used up during the reaction.

Answers

c. The total mass of glucose and oxygen formed from photosyntheesis is equal to the total mass of carbon dioxide and water used up during the reaction. (right answer i believe)

The total mass of glucose and oxygen formed from photosyntheesis is equal to the total mass of carbon dioxide and water used up during the reaction.

The reaction is given by.

CO_2+H_2O—⟩C_6H_12O_6+O_2

Before you make a hypothesis—your best guess at a solution—what must you do?
Group of answer choices

Run an experiment

Make observations

Form a theory

Draw conclusions

Answers

Answer:

make observations .

Explanation:

Collect as many observations about a topic or problem as you can.

Evaluate these observations and look for possible causes of the problem.

Create a list of possible explanations that you might want to explore.

Explica brevemente en que consiste la teoría de la deriva continental y menciona los contenientes que se crearon a partir de la Pangea

Answers

Esta teoría hace referencia al movimiento actual de las placas que sustentan los continentes y que se desplazan a lo largo de millones de años. En toda la historia geológica de la Tierra, los continentes no han estado siempre en la misma posición. Existe una serie de evidencias que veremos posteriormente que ayudaron a Wegener a refutar su teoría. El movimiento se debe a que continuamente está formándose nuevo material procedente del manto. Este material se crea en la corteza oceánica

is a hair tie a good example for the cytoplasm since a hair tie holds your hair together as the cytoplasm does to the rest of the organelles?

Answers

Answer:

I don't see why not, I mean, based on what I remember about my biology, I think that's a great example. :)

I love the model, but I guess if we go into further details cytoplasm holds a variety of organelles!

The Punnett square illustrates a cross for color of the flower.
Based on the phenotypes and genotypes of these offspring. It is clear that purple flower color allele is
and the parents are
dominant
polygenetic
recessive
ntum. All rights reserved.
hp

Answers

Answer:

All right reserved

Human skin color is a good example of polygenic (multiple gene) inheritance. Assume that three "dominant" capital letter genes (A, B and C) control dark pigmentation because more melanin is produced. The "recessive"alleles of these three genes (a, b & c) control light pigmentation because lower amounts of melanin are produced.

hope it will help

Here, from the cross of the purple and white flower, all offspring are purple, which indicates that the purple color is dominant in nature and is present in Option A.

What is Punnett Square?

The Punnett square is a tool used to predict the probability of offspring inheriting specific alleles from their parents. If all of the offspring exhibit the same phenotype (such as purple flower color), it is likely that the parents both carried at least one dominant allele for that trait. This would mean that the purple flower color allele is dominant. Here, the parents are both purple and white, so all the offspring are dominant in nature.

Hence, from the cross of the purple and white flower, all offspring are purple, which indicates that the purple color is dominant in nature and is present in Option A.

Learn more about the Punnet Square here.

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complete question is below

The Punnett square illustrates a cross for color of the flower (purple- parent, white -parent). Based on the phenotypes and genotypes of these offspring (all purple), it is clear that purple flower color allele is

A.) Dominate

B.)polygenetic

C.) recessive

6.Explain how animals in Vertebrata are classified into further subgroups.​

Answers

Answer:

Vertebrates are further classified according to several criteria like exoskeleton, respiratory organs, method of giving birth, number of chambers in heart, mode of living etc. They are further classified into classes Pisces, Amphibia, Reptilia, Aves and Mammals

which of the following best describes the anthers of a flower?

Answers

Answer:

The anthers of a flower are the Male reproductive organ on the top of the stamen, which produce pollen.

Question 6 of 10
Which statement best describes the limits of science?
O A. Science cannot answer questions about the natural world.
OB. Science cannot answer questions about what people should do.
O C. Science can answer any question.
O D. Science can answer only mathematical questions.
SUBMIT

Answers

Answer:

I think B should be the answer because science cannot tell the future

Both anaerobic and aerobic respiration use what to produce ATP and NADH?

Answers

Answer

glucozo

Explanation:

Lizard is a poikilothermic animal give reason please​

Answers

Answer:

Both reptiles and amphibians are poikilothermic, which means that they cannot regulate their own body temperatures internally 

Mark Brainliest please

Poikilothermic animals include types of vertebrate animals, specifically some fish, amphibians, and reptiles, as well as many invertebrate animals.

Reptiles are cold-blooded, or ectothermic, animals. This means that they cannot produce heat in their own bodies, and have to rely on their surroundings to keep warm. This is why most reptiles are found in hot or warm climates. Reptiles often bask in the sun to get warm.

Both reptiles and amphibians are poikilothermic, which means that they cannot regulate their own body temperatures internally as birds and mammals do.


3. What is the change in a population's allelic frequency due to chance?

natural selection
gene pool
genetic drift
allelic frequency

Answers

Answer:

option c is the answer to this question

genetic drift is the answer

How does the amount of food in a meal effect the time it takes to digest it?

A light meal can be digested in one to two hours, but heavy meals can take up to six.
A light meal can be digested in three to four hours, but heavy meals can take up to eight.
The body digests food at the same rate no matter the quantity.
A medium meal can be digested in one to two hours, but heavy meals can take up to six.

Answers

Answer:

The correct answer is:

Explanation:

Option A is the correct answer

Hope this helps.....

Have a nice day!!!!

When cells are damaged, they release proteins called ____ ?

Answers

inflammatory chemical signals that evoke local vasodilation

The receptor of sound waves in the ear is the
O a. pinna.
O
b. ossides.
O c. organ of Corti.
O d. tympanic membrane.

Answers

The answer is C - Organ of Corti.

Organ of Corti is considered as body's microphone. It is present on basilar membrane which is floor of cochlear duct. Mechanoreceptors of ear are present in organ of Corti. On the internal side of organ of Corti, many hair cells are present. These hair cells are the sensory receptors for sound. When there is fluid motion in the ear due to sound waves, these hair cells generate electric signals which are then sent to brain and sound is perceived.

Help needed in biology…!

Answers

Answers:

viii) ATP

ix) To extract its chlorophyll

x) Amino Acids

xi) Aquatic submerged plants

xii) Rapid blood flow at high pressure

Hope this helps!

[I learned this in Bio this year so I know the answers]

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