Which structures are found in both prokaryotic and eukaryotic cells?

Cell membrane and cytoplasm/ cytosol

Cell membrane and nucleus

Cytosol/ cytoplasm and chloroplasts

Nucleus and mitochondria

The organisms in the food web that are primary consumers are the grasshopper, caterpillar, and deer.

Primary consumers are organisms that eat producers (plants) and are the first level of consumers in a food web. They play an important role in transferring energy from the sun to the rest of the ecosystem.

Primary consumers are organisms that eat producers, while secondary consumers are organisms that eat primary consumers. In other words, secondary consumers are one level higher in the food chain than primary consumers.

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Answer: It can be divided into three classes based on the nature of the cell walls, Parenchyma, collenchyma and Sclerenchyma. Ground tissue provides support, performs photosynthesis (in some plants) and stores food. So, without ground tissue, it would be difficult for the plant to survive.

Explanation:

Conserving vulnerable and endangered plants and animals is the main goal of the Endangered Species Act. EPA is a tool for preserving endangered species.

(2) Each Federal agency shall ensure that any activity approved, supported, or carried out by such agency (hereafter in this section referred to as a "agency action") is not likely to jeopardize the survival of any endangered species or habitat.

The main components of the ESA are the listing and preservation of species, the identification of important habitat and prevention of habitat degradation, and consultation with federal agencies on acts that might endanger listed species.

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The DNA replicates, which means there are now two blue sister chromatids and two red sister chromatids.

The DNA replicates during cell division, resulting in two identical sets of chromosomes. Each set consists of two copies of each chromosome, one from the mother and one from the father.

These copies are referred to as sister chromatids and are connected at a structure called the centromere.

The sister chromatids are identical and contain the same genetic information. Therefore, if the original chromosome had a blue and a red section, each sister chromatid will also have a blue and a red section. Once the sister chromatids separate during cell division, each new cell will receive one blue and one red chromosome from the original set.

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Soluble food molecules are absorbed into the epithelial cells of the small intestine through the process of diffusion and active transport.

Answer:

enzymes increase the energy required to initiate the reaction

Explanation:

ANSWER

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the axillary and the submental

The moon has a times greater influence on tides because it is closer to the Earth than the Sun by 1.2. Thus, the correct option is C.

The tidal forces of the Moon are much stronger than the Sun's force because it is so much closer to Earth, causing a much greater variation in the gravitational force from one location to another location of Moon. The Sun's gravitational force, varies much less than the Moon because Sun is so far away from Earth than moon.

Ocean tides are influenced more by the moon than by the sun because of it greater gravitational force, the gravity of moon is affected by the mass of the planet and also by the distance, so the moon has a stronger gravitational pull on the ocean than the sun. And, hence influence ocean tides 1.2 times more than Sun.

Therefore, the correct option is C.

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Answer:

verdedrao

Explanation:

Answer:

A. True

Yes, plants do adapt and respond to stimuli to survive.

The large surface area of leaves allows absorption of a large amount of light. In addition, palisade cells present on the upper surface of the leaf, where the light falls, are adapted for light absorption.

Palisade cells are plant cells located on the leaves, right below the epidermis and cuticle that is the outermost layer of the leaf. In simpler terms, they are known as leaf cells.

The palisade mesophyll layer is where most of the photosynthesis occurs in the leaf. The palisade cells contain a lot of chloroplasts to help them perform this photosynthesis. The palisade cells are closely packed together to maximize light absorption.

The palisade parenchyma tissue usually is located on the upper side of the leaf, and the spongy parenchyma on the lower side. There may be only a single layer of palisade cells perpendicularly arranged below the upper epidermis, or there may be as many as three layers.

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Answer:

During interphase, the cell grows and the nuclear DNA is duplicated. Interphase is followed by the mitotic phase.

During interphase the cell grows and the nuclear DNA is duplicated. Interphase is followed by the mitotic phase, the duplicated chromosomes are segregated and distributed into daughter nuclei. The cytoplasm is usually divided as well resulting in two daughter cells

Answer:

Answer:

Explanation:

This is parenchyma is found below the epidermis of plants and It of living cells that have thin cell walls which are loosely packed to accommodate the intracellular space. Parenchyma consist of chlorophyll and they take part in photosynthesis.

Xylem is called a permanent tissue because it contain various types of cells like tracheids, vessels, xylem fibres, xylem parenchyma which is responsible for storing food.

When veins approach the heart, they enlarge more and more. The inferior vena cava carries blood from the belly and legs into the heart, whereas the superior vena cava is the major vein that transports blood from the head and arms to the heart.

Compared to arteries, which are located deep within your muscles, veins are closer to the skin's surface. Vein walls are thinner than artery walls. Blood is transported by veins from your organs to your heart. Blood is transported from your heart through arteries.

The heart is connected to veins and arteries on both sides. Blood is transported to and from the heart via arteries and veins, respectively. the movement of blood through the heart's chambers and arteries.

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The fayum primates may be linked to the platyrrhines as evidenced by the presence of three premolars  because there are three premolars, parapithecids may be related to platyrrhines.

The required details about  parapithecids is mentioned in below paragraph.

The higher primates are most evolved than the parapithecids. Its basic features are its dental formula, which is the same as that of New World Monkeys. We can infer from this that all higher primates share the same fundamental dental equation, and that it existed before the division between Old World and New World monkeys.

Primates belonging to the extinct Parapithecidae family lived in Egypt throughout the Eocene and Oligocene eras. Additionally, the family occasionally includes Eocene fossils from Myanmar. They possessed short faces and jaws that resembled tarsiers, yet they shared some dental characteristics with Condylarthra. They belong to the superfamily Parapithecoidea and are maybe equally connected to Ceboidea, Cercopithecoidea, and Hominoidea, while it is unclear where Parapithecoidea actually belongs. Its postcranial skeleton is comparable to that of extant species of pronograde leapers, indicating that its likely mode of movement was pronograde leaping, and it looks to have been arboreal, diurnal, and frugivorous.

Primates also appears to have lived in social groupings.

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The proportion of offspring homozygous recessive for at least two of the three traits is 6 out of 16 total offspring. Then it becomes 3/8.

The genotype of each plant contributes to its phenotype. In this case, the phenotype is the appearance of that flower. A given genotype is said to be homozygous if it has two identical alleles, and heterozygous if the two alleles are different. The process of genotyping is called genotyping.

Wood Since there are offspring that are homozygous recessive for both traits, each parent must have at least one recessive allele for each trait. Thus, the white disc parent has the WwDd genotype, and the white sphere parent has the Wwdd genotype. A cross between a long-stemmed pea and a short-stemmed pea is an example of a monohybrid cross. Crossing the two produces heterozygous offspring.

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There will be 50 offsprings that will have flat pods.

As shown in the image below,

F2 offspring are total 4 in number with 3round pod plants and 1 flat pod plant.

As given in the question there are 200 F2 offspring,

So, number of flat pods will be =( 1/4) x 200

                                                   =50

In  monohybrid cross, both the alleles ( R and r) are expressed in the F2 generation without any blending. Thus, the law of segregation is based on the fact that each gamete contain only one allele.

here,A monohybrid cross results in a phenotypic ratio of 3:1 (dominant to recessive), and a genotypic ratio of 1:2:1 (homozygous dominant to heterozygous to homozygous recessive).

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Answer:

Caring for the earth refers to the sustainable use of natural resources, minimize the environmental degradation and pollution and maintain the earth as the favorable shelter for all the living beings. The caring capacity is the capacity of things to tolerate the pressure over them.

one surprising fact of the animal kingdom is that only approximately 5% of animals are classified into Chordata group.

Due of the notochord's presence in the tail, the genus chordata was named. Animals that support their dorsal or back sides with a flexible rod are classified in the phylum Chordata. The term chord, which means string in Greek, is the source of the phylum's name. The majority of species in the phylum Chordata, or class of creatures with backbones, are vertebrates (subphylum Vertebrata). Lancelets, sea squirts, and vertebrates all belong to the enormous group of animals known as Chordata. The phylum Chordata includes a number of well-known vertebrates, including amphibians, fish, reptiles, and mammals.

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Answer:

9 no. ans = 1. plastids.

2. cell wall.

10 no. ans

i)= nerve cell helps the body to receive impulse from affected part brain and response from brain to affected part.

ii)= palisade helps plants to carry out photosynthesis efficiently.

iii)= root hair cell helps in absorption of minerals ion and water from root to other parts of plant.

iv) = red blood cell helps in transporting oxygen to different parts of body.

11 no. ans

12 no.ans

i) = the group of cells having similar function and structures is called tissue.

ii)= organs are the group of various tissue working together to perform a particular task .

iii)= thecollection of organ which works or function independently is called organ system.

hope it helps..

Answer:

9. There are chloroplasts in a plant cell but not in animal cells. (plants need chloroplast for photosynthesis)

There is a cell wall around a plant cell (that gives it a fixed shape) but animal cells don't have any cell walls.

10. i-  Nerve cells transmit and process information.

ii- palisade cells allow photosynthesis to take place. They contain numerous chloroplasts which help in absorbing light energy.

iii- The role of root hair cell is to absorb mineral salts and water from the soil.

iv- red blood cells help transport oxygen across the body.

11. divide the number of cells by the diameter of field view.

   10 cells/3.5 mm = 2.86 mm/cell

12. i-a tissue is a group of similar cells (which work together to perform a certain function)

ii- An organ is made of a few types of tissues that work together to perform a specific function. (e.g the stomach)

iii- several organs working together for a common purpose makes an organ system. (e.g the respiratory system or the digestive system)

Cellular respiration uses one glucose molecule to produce a total of 38 ATPs (option B).

Cellular respiration is the process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.

Cellular respiration occurs in three processes namely;

In total, the overall process of cellular respiration results in the formation of 38ATPs.

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Answer:

A. 36 ATPs.

Explanation:

took the test good luck! ;)

Answer:

D. Water

Explanation:

Abiotic means a nonliving thing in an ecosystem and all of those are alive besides water. Hope it helps. Great to be of service to you!

Answer:

to protect the cell from its surroundings

Explanation:

I double checked my notes

Answer:

b i think gllllllllllllll

Answer: It is ten inches long, its does connect the nose too the lungs, I dont think about the last one

Explanation:

Answer:

Hello! The correct answer choice is E.

Answer:

The population comes to be dominated by smaller, slower-growing individuals.

Explanation:

just did it

Invasive species are plants, animals, or other living things that typically don't belong In that ecosystem- and their presence can cause harm to the other species within, or the environment.

Answer:

Invasive species are foreign species that are introduced to a new habitat and cause changes to the habitat.

Explanation:

Example is when the wolves were introduced to the yellowstonenational park again

Answer:

Oil and gas production are among the main culprits of air pollution – one of the world's biggest killers according to the United Nations. When fossil fuels are burned by power plants, automobiles and industrial facilities, they generate toxic gases.

The bacterial agglutination test is a test that involves preparing suspensions of an unknown bacterium in saline, adding different antisera, and checking for clumping.

This test is used to identify bacterial species by the clumping or agglutination reaction that results when certain antibodies, known as agglutinins, are added to a bacterial suspension.

The antigenic specificity of the agglutinins corresponds to that of the unknown bacterium, so that if clumping occurs, the identity of the unknown bacterium can be determined.

To perform the bacterial agglutination test, first a suspension of the unknown bacterium is prepared in sterile saline.

Different antisera, each specific to a different species of bacteria, are then added to the suspension, one at a time.

The antisera contains agglutinins, which will bind to the antigens on the surface of the unknown bacterium, causing the bacteria to clump if a match is found. If no clumping occurs, this indicates that the unknown bacterium is not the same species as the antisera that was tested.

By repeating this procedure with different antisera, the species of the unknown bacterium can be identified.  

The bacterial agglutination test is a useful way to identify unknown bacterial species. By adding different antisera to the bacterial suspension and checking for clumping, the identity of the unknown bacterium can be determined.

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Answer:

Your answer is yeast

Explanation:

Hope this helped :)

Answer:

Yeast

Explanation:

I hope it will help u

Griffith discovered that when he injected mice with a mixture of live, innocuous bacteria and heat-killed infectious bacteria, the mice perished because they were unable to detect the smooth strain.

Streptococcus pneumoniae, S-strain, a smooth and virulent variety, was used in Griffith's experiment. R strain is abrasive and safe.

1. The mouse's immune system recognizes the harmful bacterial strain, and the mouse survives.

2. The mouse perishes because it is unable to identify the smooth strain.

3. The mouse survives when the S strain is injected and destroyed by heat.

4. However, the mouse perishes when live R strain and heat-killed S strain are combined and injected.

This experiment demonstrates how bacteria's DNA may change.

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