Exchange of gases in plants occur through:
(A): Stomata.
(B):Lenticels.
(C):Root surface.
(D):Choloroplast.

(1)A,B and D
(2)A,B,CandD
(3)AandC
(4)A,BandC

Answers

Answer 1

Answer:

(A): through the stomata


Related Questions

What is the retrovirus, and how does it work? Name an example of a retrovirus.

Answers

Answer:

A retrovirus is a type of RNA virus that inserts a clone of its genome into the DNA of a host cell that it invades. An example of a retrovirus would be HIV.

Hope this helps! :)

Explanation:

A retrovirus is a specific kind of RNA virus that, when it infects a host cell, will insert a clone of its genome into the DNA of the host cell. HIV is an example of a retrovirus that may infect humans.

What is a retrovirus?

A kind of RNA virus known as a retrovirus copies its genome into the DNA of the host cell it invades. HIV is a prime example of a retrovirus.

A virus that employs RNA as its genetic material is referred to as a retrovirus. When a cell becomes infected with a retrovirus, the retroviral RNA is converted to retroviral DNA, which is then inserted into the DNA of the host cell.

Acute retroviral syndrome symptoms, which include headache, nausea, diarrhoea, and body pains, are comparable to those of the flu and go away on their own in a few of weeks. A person who has acute retroviral syndrome may no longer have any symptoms, yet they are nonetheless HIV-positive and remain contagious.

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What energy transformations are going on within the skateboarder’s body during this process?

Answers

Answer:

When they slide down, they lose this potential energy, which turns into kinetic energy and thermal energy. Thermal Energy - This energy is related to the temperature of a body or a system. When friction is involved in a system, part of the kinetic energy is transformed into thermal energy.

Some people use the terms "cell cycle" and "mitosis" as if they were the same thing. Which of these best describes why they are not the same?

a. the cell cycle is just a stage of mitosis
b. mitosis and the cell cycle are different types of cell division that occur in different of cells in a multicellular organism
c. mitosis is a sequence of events within the cell cycle that separates the genetic material
d. mitosis is a type of cell division that occurs in eukaryots and the cell cycle takes place in prokaryots

Answers

Answer: C. Cells in meiosis have unique genetic information

Explanation: Meiosis is the cell division that forms four daughter cells from one parent cell. It includes two successive divisions called as meiosis I and meiosis II. Crossing over during prophase I of meiosis I imparts new gene combinations to the daughter cells of meiosis. Hence, daughter cells formed by the end of meiosis have some new gene combinations, that is, unique genetic information.

What is the ratio of surface area to volume for a sphere with the following measurements. Surface area = 432m2, volume = 864m3

Answers

Answer:

the ratio of the surface area to the volume is 1:2

What sections of DNA are used in DNA fingerprinting?
O A. Sections that only contain mRNA
O B. Sections that are unique to each person
O c. Sections that have the fewest mutations
O D. Sections that are made by bacteria

Answers

The correct answer is B

Taxonomists today tend to group organisms into the same category based on similar what?

Answers

Answer:

characteristics

Explanation:

oranisms are grouped based on shared characteristics

Taxonomists today tend to group organisms into the same category based on their evolutionary history and shared ancestry, as explained in Option A, as this allows taxonomists to construct more accurate and detailed phylogenetic trees.

What is taxonomy?

The field of taxonomy is concerned with the classification of living organisms based on their shared characteristics, the aim of taxonomy is to group organisms in a way that reflects their evolutionary history and to provide a standardized system of naming, while earlier taxonomists relied on morphological characteristics, such as the physical appearance of an organism, but modern taxonomists instead use molecular and genetic data to group organisms into categories.

Hence, taxonomists today tend to group organisms into the same category based on their evolutionary histories and shared ancestry, as explained in Option A.

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The question is incomplete, complete question is below

Taxonomists today tend to group organisms into the same category based on similar what?

A)based on their evolutionary histories and shared ancestry

B)based on fossils

a mother has heterozygous type a blood and the father has type ab blood. what is the probability of the offspring having type O blood

Answers

Answer:

None

Explanation:

This is because A and B are dominant over O. Hence the overshadow the O group in the phenotype.

Which of the following is NOT a factor of sustainability?
Group of answer choices

economics

ethics

biodiversity

natural capital

solar energy

Answers

Answer:

natural capital

HOPE IT HELPS!

PLS MARK AS BRAINLIEST!!!

What is one of the disadvantages of the genetic analysis described above?

Answers

Answer:

Only mutations that effect a physical trait can be analyzed.

Explanation:

who is the father of Genetic​

Answers

Answer:

hey there

Explanation: answer is gregor mendal  is the father of genetic in 19th century.

Answer:

Gregor Johann Mendel

Choose a strategy to clone genes known only by a mutant phenotype in organisms with highly efficient transformation procedures and relatively small genomes.
a. cloning by complementation
b. direct sequencing of the mutant genome
c. PCR of the gene and transformation of an organism
d. cloning using a specific cloning vector

Answers

Answer:

Option a (cloning by complementation) `would be the correct choice.

Explanation:

In species containing extremely efficient transforming techniques as well as comparatively small genomes, cloning by rearrangement testing is performed to clone gene products mostly by a mutated gene as the rearrangement test was being used to detect mutations.This strategy for cloning through mechanism begins with identifying another yeast mutant that affects something like a plasmid representing a cloned genetic material.

The other options in question aren't relevant to the particular circumstance. Therefore the answer to the above seems to be the right one.

When you touch an object that is very hot you quickly pull your hand back.
What is the correct pathway of nerve impulses for this behavior?

Answers

Answer:

this is called reflect action

Answer:

reflex action

Explanation:

this is because, it makes it possible to swiftly pull back your hand if you accidentally touch a hot pan

Epithelial tissue always has an exposed outer surface and an inner surface anchored to connective tissue by a thin, non- cellular structure called the (a) Nonstratified layer (b) Stratified layer (c) Basement membrane (d) Fibroblast

Answers

Explanation:

(a)Nonstratified layer

Does movement is a respiratory gas occurs towards the area of higher concentration of that particular respiratory gas?

Answers

No it is not because it. I
No it is not because it. I

A purebred tall pea plant is cross-pollinated with a tall, can you please help
heterozygous pea plant. Use a Punnett square to determine the probability the offspring inherita
recessive short allele. (I point)
75%
25%
0%
50%

Answers

Answer:

50%

Explanation:

because if you use the box method you see that half receive a short alele

   T     t

T TT  Tt

T TT   Tt

which type of soil is likely to be found in horizon E

Answers

Answer:

A layer of pale,Sandy soil lacking clay and iron is likely to be found in horizon E

Answer:

bedrock

Explanation: A layer or bedrock is the type of soil is likely to be found in horizon E. Hence the correct answer is option A among the options. The bed rocks can be regarded very hard and it cannot be breakable.

Non segmentation allows for evolutionary innovation in body form. True or false

Answers

Answer:

True

Explanation:

What type of system is used to move the body?

Answers

The skeletons system
Skeletons system I’m pretty sure

when would a recessive trait be seen in an organism? A. When there is one dominant and one recessive gene for the trait present in the offspring. B. When there are two dominant genes for the trait present in the offspirng. C. When there are two recessive genes for the trait present in the offspring D. Never

Answers

A when there’s one dominant and one recessive gene for the trait present in the offspring

Oxygen is produced.
Select one:
O a. Both Photosynthesis and Cellular Respiration
b. Photosynthesis
c. Cellular Respiration
d. Neither Photosynthesis nor Cellular Respiration

Answers

Answer:

b.Photosynthesis

Explanation:

as plants produce 02 in the presence of light

Answer:

Option(B):Photosynthesis

Explanation:

Cellular respiration, the process by which organisms combine oxygen with molecules,

in photosynthesis oxygen is produced

The levels of nitrogen and ___ in the atmosphere remain fairly constant but the levels of other gases may vary.

Answers

Answer:Oxygen

Explanation:

What is the metaphor for been weevil

Answers

Answer:

The scarab or dung-beetle, and the spider to some ancient symbologists

What is a biological approach to determining when a mother and her conceptus become separate individuals?

Answers

Answer:

Electroencephalography.

Explanation:

Electroencephalography is used to measure brain activity in terms of electrical activity. It is done by attaching electrodes on the scalp, or sometimes by placing electrodes directly in the brain. Using electroencephalography can help determine when the fetus starts having its own brain activities, which means that it is now a separate entity distinguishable from its mother. Using electroencephalography to see brain waves can give us a deeper insight into the age old complicated issue of when a mother and her conceptus become separate individuals.

A student hypothesized that EC growth might be affected by the DNA from circulating erythrocytes. Is this student’s hypothesis reasonable?

Answers

Answer:

Explanation:

It can be said that this hypothesis is actually not reasonable because circulating erythrocytes do not contain DNA. This can be proven by the Mammalian erythrocytes (rbcs) which ultimately loose their nuclei as well as many other organelles during their maturation process and they don't have nuclei or mitochondria meaning that they are not affected by the DNA.

What is the valence of an atom with six electrons in its outer electron shell?
A)1
B) 2
C) 3
D) 4
E) 5

Answers

Answer:

D. Valency is 4

Explanation:

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Could an object, tool, or structure be made without the use of a natural resource? Explain your answer.

Answers

Bajamapa alsnbcian. Sin. A

List some Characteristic of fruits.​

Answers

Answer:

Quality factors for fruits include the following— maturity, firmness, the uniformity of size and shape, the absence of defects, skin and flesh color. Many of the same quality factors are described for vegetables, with the addition of texture-related attributes such as turgidity, toughness, and tenderness.

From a population of red, brown, orange, yellow, and green butterflies, only the red and green ones survive since they can blend into their environment and reduce predation. Which evolutionary mechanism is involved?

Answers

Answer:

Natural Selection

Explanation:

Since the other species don't survive naturally, the red and green ones continue to breed so that their species will continue to live.

When an outbreak of foot and mouth disease is discovered among livestock in a country, what is MOST likely the chosen way to control it?

Answers

Answer:

You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth. To lessen your chance of getting sick, don't touch your eyes, nose, and mouth with unwashed hands.

You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth. To lessen your chance of getting sick, don't touch your eyes, nose, and mouth with unwashed hands.

What are the mechanism that use to resist the antimicrobial agents?

There has been several mechanisms, like resistance to antimicrobial agents, encapsulation or secretation of proteins that affects and might destroy the phagocyte along with some leukocytes in our body perform phagocytosis as a defense mechanism against the pathogenic bacterium.

These phagocytes contain lysosomes, intracellular granules that possess bactericidal substances. When the phagocyte ingests the pathogen, a phagosome is formed, which merges with the lysosome, forming the phagolysosome, which is where toxic substances and enzymes kill the ingested microorganism.

There are several mechanisms by which a microorganism can survive this process as resistance to antimicrobial agents. Some bacteria use phenolic glycolipids from their cell wall, to eliminate toxic oxygen compounds.

Therefore, You can get infected with hand, foot, and mouth disease if you have the virus on your hands and then touch your eyes, nose, or mouth.

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Reaching for your coffee cup is accomplished by the _____ subdivision of the peripheral nervous system.

Answers

Answer:

somatic subdivision

Explanation:

The peripheral nervous system is divided into somatic and autonomic systems. The somatic system is required to transport sensory and motor information to the central nervous system. The somatic system is composed of nerves that connect different parts of the body including sensory fibers, skin, and skeletal muscles. On the other hand, the autonomic system can be subsequently classified into sympathetic and parasympathetic systems, which are required in fight (potentially dangerous) and calm-associated responses, respectively.

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