What is required for exponential growth to occur in a population?

Answer: Placenta

Explanation:

Placenta is the outer protective envelope around the developing embryo. It is attached with the lining of the uterus. It has a permeable membrane which allows the entry of oxygen and nutrients to be supplied to the embryo. It helps in getting rid of harmful substances like carbon dioxide and waste from the developing fetus body.

Answer:

proteins and amino acids, the building block nutrients of growth and development, manipulate how we feel and behave. Amino acids contain the precursors to neurotransmitters, the chemical messengers that carry signals between neurons, affecting things like mood, sleep, attentiveness, and weight.

Explanation:

A chemical secreted by one cell interacts with target cells nearby in paracrine signalling. The way neurotransmitters move signals between nerve cells at a synapse serves as an illustration.

The terminal produces and stores small molecule neurotransmitters for quick release. Because they must be carried from the cell body to the terminal after being generated there, neuropeptides may release more slowly.

Small "packages" called vesicles are used to hold neurotransmitter molecules (see the picture on the right). When the vesicles containing neurotransmitters "fuse" with the membrane of the axon terminal, the neurotransmitter is released from the axon terminal and spills into the synaptic cleft

learn more about neurotransmitters refer

https://brainly.com/question/840056

#SPJ4

Answer:

2d model of the skeletal system

Explanation:

this way they can see where it is relevant to other bones

One oral amoxicillin dose (for adults, 2 g; for children, 50 mg/kg) is typically the recommended preventive dosage for oral and dental procedures.

While, an additional dose is no longer recommended. Clindamycin and other options are advised for those who are allergic to penicillin.

It is advised to take 2 grammes of amoxicillin orally in a single dosage 30–60 minutes before surgery as part of the prophylaxis for infective endocarditis.

Patients with the aforementioned cardiac issues are advised to avoid endocarditis by avoiding any dental procedures that involve the manipulation of gingival tissue, the peri-apical region of teeth, or the perforation of oral mucosa, including scaling and root canal procedures.

To know more about Amoxicillin dose please check the following link

https://brainly.com/question/26310290

#SPJ4

The growth rate of the shark population when it consists of 30 individuals is 0.9, which is equivalent to 18 individuals per year. Hence, the correct answer is option a) 18.

Logistic growth is a population growth model that takes into account the carrying capacity of the environment, which is the maximum population size that the environment can sustain. In logistic growth, the growth rate of the population decreases as it approaches the carrying capacity.

To calculate the growth rate of the shark population when it is composed of 30 individuals, we need to determine the proportion of the carrying capacity that the population represents. The proportion is calculated by dividing the current population size (30) by the carrying capacity (50), which gives us 0.6.

Next, we multiply the proportion by the maximum per capita growth rate of 1.5 per year. The calculation is as follows: 0.6 * 1.5 = 0.9.

Learn more about Logistic growth here:

https://brainly.com/question/15631218

#SPJ11

The muscle that would be considered overactive/shortened, leading to an anterior pelvic tilt during the overhead squat assessment is the hip flexors. The hip flexors are responsible for flexing the hip joint and pulling the pelvis forward,

which can cause an anterior tilt when they are overactive or tight. This can result in compensation patterns during the squat, such as excessive lumbar extension or knee valgus. Stretching and releasing the hip flexors can help improve the alignment and stability of the pelvis during the overhead squat.

During the overhead squat assessment, the hip flexors, specifically the iliopsoas and rectus femoris muscles, are considered overactive/shortened, leading to an anterior pelvic tilt.

To know more about considered please visit....

brainly.in/question/49480608

#SPJ11

Answer: The amoeba uses pseudopods, which it creates by deforming its body and streaming its cytoplasm. The euglena whips a flagellum to move. The only similarity between the amoeba and euglena in that the euglena can deform its body in an almost earthworm-type motion. This is something like the amoeba's motion and is used to supplement the euglena's flagellum when it wants to move quickly.

The evidence supporting the close evolutionary relationship between birds and other reptiles includes the following:
1. Birds and other reptiles share a common ancestor. 2. Birds and other reptiles lay their eggs on land. 3. Birds are the descendants of reptiles.

Birds and other reptiles share a common ancestor and birds being the descendants of reptiles indicates their close evolutionary relationship. Additionally, both birds and reptiles laying their eggs on land is a shared characteristic supporting their relatedness. Yet it is incorrect to say that "Birds and other reptiles are ectothermic," as birds are endothermic (warm-blooded), which sets them apart from other reptiles.

You can learn more about evolutionary relationships at: brainly.com/question/30974078

#SPJ11

A density-independent factor is a factor that affects a population regardless of its size.

Therefore, the correct answer is a hurricane that wipes out the bird population on an island.

Hurricanes are natural disasters that can wipe out entire populations, regardless of their size or density. Parasites, predators, and other factors that depend upon population size are considered density-dependent factors because they are influenced by the size of the population they are affecting.

In contrast, density-independent factors are usually environmental factors, such as weather events, that have an impact on a population regardless of its size.

It is important for ecologists to understand the difference between these two types of factors in order to accurately predict and manage populations of different species.

To know more about density-independent, Click here:-

brainly.com/question/17866019

#SPJ11

The correct response is C ;  That adding the A will lead to a frameshift, which will result in an early stop codon and a shortened protein.

1. The definition of a frameshift mutation is an insertion or deletion of any nucleotide in the genome that is not in multiples of three nucleotides that can code for any amino acid.

2. An insertional frameshift mutation is present in the case described. The shortened protein and insertional frameshift mutation are created as follows:

3. The mRNA produced from the provided sequence demonstrates that the stop codon develops early and a brief protein known as a truncated protein is produced.

4. A truncated protein is nothing more than a brief protein created by a mutation in which premature termination occurs.

5. As a result, adding adenine after guanine will result in an insertional frameshift mutation, which will shorten the protein and trigger an early stop codon.

Learn more about to wild-type gene visit here;

https://brainly.com/question/18915054

#SPJ4

Full Question ;

The following sequence of dna is the normal, wild-type gene: 5' tac cgg tta gtt agc cga tag 3' an insertion occurs during dna replication, causing an additional adenine to be inserted into the nucleotide strand after the guanine shown in red. what effect will this have on the final protein?

A The addition of the A will cause a single amino acid substitution in the codon in which it occurs.

B The addition of the A will cause a frame shift, so that all the amino acids after the mutation will change. The protein will be a normal number of amino acids.

C The addition of the A will cause a frame shift, resulting in a premature stop codon and a truncated protein.

D The addition of the A will cause a frame shift, resulting in the loss of the normal stop codon and an abnormally long protein with an altered amino acid sequence.

The quantity of enzyme-substrate collisions limits the pace of photosynthesis at low temperatures. The rate of photosynthesis rises as a function of temperature because there are more collisions as a result.

Photosynthesis is a specialized enzyme-based process. The enzymes involved in this process operate best at a certain temperature.

Enzymes denature if the temperature rises over the maximum optimal temperature, which slows the rate of photosynthesis.

The rate of photosynthesis grows as the temperature rises, much as other chemical processes.

Enzymes, which regulate photosynthesis, get denatured at high temperatures. The rate of photosynthesis therefore reaches its peak.

learn more about Photosynthesis refer

https://brainly.com/question/19160081

#SPJ1

When a mitochondrion is not creating enough energy to build new molecules the reason for this is proton pump is not working properly .

Enzyme in mitochondrial respiratory chains works as proton pump, they use energy to transfer protons across the inner mitochondrial membrane and create an electrochemical gradient used for the production of ATP.

The energy used in the electron transport chain pumps protons across the inner mitochondrial membrane from the inner matrix to the intermembrane space, producing a strong hydrogen concentration gradient. Defect in creating this hydrogen concentration gradient often results in less energy production .

To learn more about mitochondrion , here

brainly.com/question/17091391

#SPJ1

Energy conversion is essential for life on Earth, and without it, no ecosystem can exist. Energy conversion is necessary for the food chain to operate, for photosynthesis to occur, and for transportation of energy, resources, and living organisms.

Without energy conversion, life as we know it would not be possible.The food chain is a series of organisms that rely on each other for energy, with producers at the beginning of the chain, and consumers at the end. Producers such as plants use photosynthesis to convert sunlight into energy, which is then consumed by herbivores and passed on to carnivores. Without energy conversion, this process would not be possible, and the food chain would collapse.

Photosynthesis is the process by which plants convert sunlight into energy, and without it, plants would not be able to grow. This process relies on energy conversion, as sunlight is converted into chemical energy in the form of carbohydrates and other compounds. Without photosynthesis, the food chain would be impossible, as plants and other producers would not be able to produce energy-rich compounds.

Finally, transportation is essential for the movement of energy and resources, as well as living organisms. Without energy conversion, transportation would be restricted, as cars, planes, and other vehicles rely on energy conversion to operate. Without energy conversion, these vehicles would not be able to move, and the transportation of resources and living organisms would be impossible.

Learn more about Energy at : https://brainly.com/question/8427473

#SPJ4

Answer:

The answer is direct contact.

Explanation:

Sense of touch have to depends on direct contact.

Answer: c - biological catalyst

Explanation: To capture their prey, spiders have fangs, which

pierce the body wall of insects and inject venom.

Spider venoms usually contain specific proteins

that attack the cell membranes of the prey. The

membranes and most of the contents of the

insect's body turn into a liquid that the spider then

ingests for food.

The spider venom proteins are most likely to be biological catalysts.

Hence, option C biological catalysts is correct answer by which spider can catch and ingest its prey.

To know more about biological catalysts here

https://brainly.com/question/17275363

#SPJ2

Answer:

D

Explanation:

Run off is where the water runs off into lakes, creeks, storm drains, ext.

The following diseases are sex-linked:Color blindnessMuscular dystrophyHemophilia is another disease that is also sex-linked, that you did not mention in your list.

What is a sex-linked disorder?A sex-linked disorder is an inherited genetic condition that results from mutated genes in the X or Y chromosome. Because males have one X and one Y chromosome, while females have two X chromosomes, sex-linked disorders are more common in males when the gene responsible is recessive. More than 100 sex-linked disorders exist, many of which affect a person's vision, blood clotting, or muscular coordination.

To know more about genetic visit:

https://brainly.com/question/30459739

#SPJ11

The statement "Selective permeability is a property of a cell membrane that allows it to control which molecules can pass (moving into and out of the cell) through the membrane's pores" is TRUE. These channels are often controlled by proteins that can open and close them in response to specific stimuli.

Selective permeability, also known as semi-permeability, is the characteristic of a cell membrane that allows certain molecules to pass through while blocking others. In other words, it selectively allows only specific substances to pass through while excluding others. The cell membrane, like most biological membranes, is a selectively permeable structure that separates the cell's interior from the outside world. The cell membrane is made up of a phospholipid bilayer that has both hydrophobic (water-repelling) and hydrophilic (water-attracting) ends.

Learn more about selective permeability: https://brainly.com/question/15231037

#SPJ11

Answer: Bacterial binary fission

Explanation: Bacterial binary fission is the process that bacteria use to carry out cell division. Binary fission is similar in concept to the mitosis that happens in multicellular organisms (such as plants and animals), but its purpose is different.

Answer:

24-72 hours after death

Explanation:

Hope this helps!

Answer:

B

Explanation:

The 1800s was a monumental period in regards to industrialization. Factories, especially textile factories, boomed in popularity, which inevitably resulted in a demand for labor. Therefore, the growth of the middle class in the late 1800's is most directly contributed to by the rise of industrialization and large corporations

Answer:

YES^

GITTTTTTTTTTTTTTTTTTTTTTTTTTT

Gene duplication events often occur as a result of errors during DNA replication or repair, which can create an additional copy of a gene. Alternatively, one copy may evolve to have a new function while the other retains its original function.

After a gene duplication event, the least likely scenario is for both genes to become pseudogenes. Gene duplication events often occur as a result of errors during DNA replication or repair, which can create an additional copy of a gene. In some cases, both copies of the gene may retain their original function and be expressed in different tissues or at different times. Alternatively, one copy may evolve to have a new function while the other retains its original function. While it is possible for one copy to become a pseudogene, it is unlikely that both copies would become non-functional as this would be disadvantageous for the organism. Therefore, the scenario where both genes become pseudogenes is the least likely to occur after a gene duplication event.

To know more about Gene duplication visit:

https://brainly.com/question/31568661

#SPJ11

Transcription and translation are processes that happens in both prokaryotes and eukaryotes, but in eukaryotic cells they take place in different sites than in prokaryotic cells. Therefore, C is incorrect.

In eukaryotic cells, the mRNA is extensively processed before it is ready to be translated, not in prokaryotic cells. Therefore, D is incorrect as well.

In eukaryotic cells, transcription and translation are separate processes, transcription takes place in the nucleus and translation takes place in the cytoplasm. In prokaryotic cells, transcription and translation both takes place in the cytoplasm, being a continuous process. Therefore, A is incorrect, E is wrong too and the correct answer is B. Transcription and translation are continuous processes in prokaryotes but not eukaryotes.

Geologic time is the concept that describes the vast expanse of time that has occurred on Earth, starting from its formation over 4.5 billion years ago to the present day.

This time is divided into various units, such as eons, eras, periods, and epochs, each marked by significant changes in the Earth's physical and biological systems.
The most recent eon, the Phanerozoic, began about 541 million years ago and is divided into three eras: the Paleozoic, Mesozoic, and Cenozoic. The Paleozoic era saw the emergence of complex life forms, including fish, amphibians, and reptiles, while the Mesozoic era was marked by the rise of dinosaurs and the eventual extinction of non-avian dinosaurs. The Cenozoic era is the most recent and is still ongoing, characterized by the diversification of mammals and the evolution of human beings.
Geologic time is essential for understanding the Earth's history and the processes that have shaped it. It provides a framework for interpreting the geological record and helps scientists to identify patterns and trends in the Earth's evolution. By studying geologic time, we can gain insights into the causes and consequences of environmental change, and use this knowledge to inform our efforts to protect and preserve our planet for future generations.

learn more about Earth

https://brainly.com/question/15558771

#SPJ11

Explanation:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

Answer:

These stimuli, called growth factors, are naturally occurring proteins specific to certain groups of cells in the body. They include nerve growth factor, epidermal growth factor, and platelet-derived growth factor.

Explanation:

Hope this helps.

Growth factors are defined as the proteins that bind to specific receptors, which activate the cascade of signal transductions. The growth factors lead to proliferation, apoptosis, and development.

Different types of growth factors stimulating the signal transduction are:

1. Nerve growth factor is controlled by the gene NGF. It provides the instructions to make the beta protein, which is important for the survival and development of the nerve cell.

2. Epidermal Growth Factor is a type of factor that stimulates cell development and cell proliferation. It generally stimulates the fibroblasts and epithelial cells.

3. Platelet-derived growth factor regulates cell division and growth. These factors help in healing and repairing the wound and walls of the damaged blood vessels.

Thus, the growth factors when bound to specific cell receptors control the various activities of the cells.

To know more about growth factors, refer to the following link:

https://brainly.com/question/25283504