What are the male reproductive cells in
a plant called?
A. sperm
B. stem
C. egg
D. pollen

Whether the effect of a certain neurotransmitter is excitatory or inhibitory at a given synapse depends on which of its receptor(s) are present on the postsynaptic (target) cell.

A receiving neuron's ability to produce an electrical signal known as an action potential is encouraged by an excitatory transmitter while being inhibited by an inhibitory transmitter. Depending on the receptor it attaches to, a neurotransmitter can either be excitatory or inhibitory.

Your body needs neurotransmitters, which are chemical messengers, to function. From one neuron (nerve cell) to the following target cell, they are responsible for transporting chemical signals, or "messages". Another nerve cell, a muscle cell, or a gland may be the next target cell.

Learn more about Neurotransmitter here:

https://brainly.com/question/26387085

#SPJ4

Early land plants had an extensive gametophyte phase, and plants like mosses, liverworts, and hornworts (some of the earliest land plants) are still gametophyte dominant. As plants evolved, leave size tended to increase in size, with palm trees producing the largest leaves of any plant

A gametophyte is one of the two alternate multicellular stages that occur during the life cycles of plants and algae. It grows from a single-chromosome haploid spore to become a haploid multicellular creature. In the life cycle of plants and algae, the gametophyte is the sexual stage.

Gametophytes produce gametes since the phases of an organism are called sporophyte and gametophyte respectively after the cells they create. Gametes are haploid reproductive cells; the sperm is a male gamete, and the egg is a female gamete.

Learn more about Gametophyte here:

https://brainly.com/question/24233327

#SPJ4

The term toxemia identifies the presence of foreign matter in the blood. The base form tox- identifies the foreign matter as: "poison" or "toxic substance".

Generally speaking, the prefix "tox-" stands for "poison" or "toxic material". As a result, the "tox-" prefix in the medical term "toxemia" denotes the presence of toxic or poisonous compounds in the blood. High amounts of toxins in the bloodstream are known as toxemia, which can cause a variety of symptoms and health issues. It is frequently linked to infections, especially during pregnancy, but it can also be brought on by other conditions such as liver or renal illness, adverse drug reactions, or exposure to toxins in the environment.

You can also learn about renal illness from the following question:

https://brainly.com/question/4170677

#SPJ4

They were diagnosed of swine flu.

In the year 2017, there was a fair that held in the city of Maryland. In that fair, some of the animals that showed up at the fair were found to have been infected with the swine flu and the organizers of the event did not know this.

Unfortunately, as a result of the fact that some of the pigs that showed up at the fair were infected, we saw that about 40 people were sickened at Maryland agricultural fairs in 2017 by a variant strain of influenza known as H3N2v.

Learn more about Swine flu:https://brainly.com/question/21335830

#SPJ1

To prepare 750 ml of 3 M sulfuric acid, you would need (3 x 750) / 18 = 225 ml of concentrated (18 M) sulfuric acid.

To determine the amount of concentrated sulfuric acid required to prepare 750 ml of 3 M sulfuric acid, we need to use the formula: M1 x V1 = M2 x V2, where M1 is the concentration of the concentrated sulfuric acid (18 M), M2 is the desired concentration (3 M), V1 is the volume of concentrated sulfuric acid, and V2 is the desired volume (750 ml).

Solving for V1, we get: V1 = M2 x V2 / M1 = 3 x 750 / 18 = 150 ml. So, 150 ml of concentrated (18 M) sulfuric acid is required to prepare 750 ml of 3 M sulfuric acid. It is important to handle concentrated sulfuric acid with caution and to follow proper safety protocols when working with it.

Learn more about concentration, here:

https://brainly.com/question/14391050

#SPJ9

Your question is incomplete, but most probably your full question was,

How many milliliters of concentrated (18 M) Sulfuric Acid is required to prepare 750 ml of 3 M Sulfuric Acid?

the core theme of biology, which explains both the unity and diversity of life, is c. evolution

The interactions between organisms and their habitats, as well as the repercussions of these interactions over extended periods of time, cause evolution and variety. Creatures constantly adapt to their habitats, and the variety of environments available fosters a diversity of organisms that are suited to them.

There are genetic similarities between bacteria and mammals' DNA. Many aspects of cell structure exhibit unity. The term "common ancestry" refers to the fact that all living creatures, past, present, and future, share a common ancestor and are descended from the same person.

learn more about evolution

https://brainly.com/question/27748371

#SPJ4

The Prochlorococcus   is a kind of  Bacterium

Prochlorococcus is a type of marine cyanobacterium, also known as a photosynthetic bacterium. It is the smallest known photosynthetic organism and one of the most abundant in the ocean, playing a significant role in the global carbon cycle and marine food web.

Prochlorococcus is unique because it has the ability to grow in both low-nutrient and high-light environments, such as the open ocean. It has a simple metabolic and structural organization and a small genome, which makes it a model organism for studying evolutionary adaptation and diversity in the ocean.

Learn more about Prochlorococcus :https://brainly.com/question/29449770

#SPJ1

The amino acids would most likely be present in the outer side of a transmembrane domain of an integral membrane protein is a hydrophobic amino acid like valine.

Thus, the correct option is D.

Most trаnsmembrаne proteins аre formed from bundles of helices thаt trаverse the membrаne lipid bilаyer. It is estimаted thаt 20-30% of the proteins in known genomes аre of this type. The most generаl description of the trаnsmembrаne helicаl regions (TMs) is thаt they comprise а region of 18 or more аmino аcids with а lаrgely hydrophobic chаrаcter. This sequence feаture cаn be identified in primаry sequences using hydrophobicity scаles. The most аbundаnt аmino аcids in trаnsmembrаne regions аre leucine, isoleucine, vаline, phenylаlаnine, аlаnine, glycine, serine, аnd threonine. Tаken together, these аmino аcids аccount for 75% of the аmino аcids in trаnsmembrаne regions.

For more information about a transmembrane domain refers to the link: https://brainly.com/question/27996043

#SPJ4

The plasma membrane basically controls the contents of the cell and therefore acts a selective physical barrier.

The correct option is option a.

The plasma membrane performs a number of different important functions in the cell. It is present as an envelope around the cell and provides the cell with mechanical support as well rigidity. It is majorly composed of lipids as well as proteins and establishes cell to cell communication and also controls the exit as well entry of substances to and from the cell.

The cell membrane is selectively permeable. This basically means that it only allows the entry of only some kind of particles into the cell and this is because it controls the contents of the cell.

To know more about selectively permeable here

https://brainly.com/question/11635962

#SPJ4

A. turbidity measurement of the following methods would be used to measure the concentration of bacterial contamination in processed peanut butter

The standard, or viable, plate count method and spectrophotometric (turbidimetric) analysis are the two most often used methods for determining bacterial populations.

The spectrophotometer is used in analytical chemistry to quantify the concentration of a solution. The UV-spectrophotometer is used in chemical analysis to measure the solution in order to collect the light absorbance from the solution.

The Standard Plate Count (SPC) methodology and turbidimetric measurement are the two most often used classroom methods for determining bacterial growth.

learn more about UV-spectrophotometer

https://brainly.com/question/19448078

#SPJ4

Hemagglutinin binds to host receptor, Endocytic vesicle fuses with a lysosome, The virion becomes more acidic, Viral nucleocapsid proteins are produced,Viral (-) strand RNA is produced,Viral (+) strand RNA is produced without a cap.

Viral (+) strand RNA is produced with a cap

Viral envelope proteins move to the plasma membrane ,Progeny viruses are produced, Influenza replication is the process by which the influenza virus reproduces itself by hijacking the cellular machinery of a host cell. The virus uses its surface protein, hemagglutinin, to bind to host cell receptors and enter the cell. Once inside, the virus uncoats and releases its genetic material, which is in the form of negative-sense RNA. The viral RNA is then transcribed into positive-sense RNA, which serves as a template for the production of viral proteins and more viral RNA.

To learn more about RNA here:

https://brainly.com/question/25979866

#SPJ4

The cytosolic factor which is most likely to associate with the signal sequence of a protein that is targeted co-translationally to the ER is Signal recognition particle (SRP).

A cytosolic protein called the SRP detects the signal sequence of developing proteins that are headed for the endoplasmic reticulum (ER). The transfer of the ribosome-nascent chain complex to the translocation channel is mediated by this protein after it binds to the signal sequence and the SRP receptor on the ER membrane. A signal peptidase cleaves the protein's signal sequence after it has been translocated into the ER lumen. Although they don't directly associate with the signal sequence, the translocation channel and the Hsp70 family chaperone are also engaged in the co-translational translocation process. Protein synthesis takes place at the ribosome, however it does not interact directly with the signal sequence of developing proteins.

Eukaryotic cells contain the endoplasmic reticulum (ER), a complex network of flattened sacs and tubules. The rough endoplasmic reticulum (RER), which has ribosomes embedded in its outer surface, and the smooth endoplasmic reticulum (SER), which is devoid of ribosomes, are the two different forms of ER.

In numerous cellular activities, such as protein synthesis, folding, and quality control, as well as lipid production and detoxification, it is essential.

For more question on endoplasmic reticulum click on

https://brainly.com/question/24110060

#SPJ4

Option d is Correct. When comparing different types of pain perception, C fibers, unmyelinated, persistent pain is accurate.

One of these categories, the C-type fibers, are unmyelinated fibers that play a role in the afferent transmission of warmth, burning pain, and itch from the periphery to synapse. These fibers are most commonly found in lamina I and II of the dorsal spinal horn.

In contrast to Groups A and B, which are myelinated, the C group fibers are unmyelinated, tiny in diameter, and have a poor conduction velocity. Postganglionic fibers in the autonomic nervous system (ANS) and nerve fibers at the dorsal roots are examples of group C fibers (IV fiber). These fibers transmit sensory data. The brain interprets the pain experience and sends a fast motor reaction in an effort to stop the painful action.

Learn more about pain sensations Visit: brainly.com/question/28268116

#SPJ4

The result of increasing substrate concentration depends on the specific enzyme and substrate being considered.

Concentration refers to the amount of a substance (solute) present in a given volume or mass of a solution. It is typically expressed as the amount of solute per unit of solvent or solution. Common units of concentration include molarity, molality, mass percent, and parts per million (ppm). Concentration is an important concept in chemistry and is used in many different applications, such as determining the strength of a solution, calculating reaction rates, and measuring the concentration of pollutants in the environment.

Here,

In general, increasing substrate concentration can lead to the following:

Increased concentration of product(s) formed

Increased rate of reaction, until the enzyme becomes saturated with substrate

Increased likelihood of substrate molecules colliding with the enzyme active site, leading to more successful enzyme-substrate interactions

However, it is not possible to determine the specific products formed from increasing substrate concentration without more information on the enzyme and substrate being considered. Additionally, some substrates listed in the question may not be substrates for all enzymes.

To know more about concentration,

https://brainly.com/question/13872928

#SPJ1

Answer:

The pH scale is used to rank solutions in terms of how acidic or how basic they are. ... of hydrogen ions (H+) and hydroxide ions (OH-) in a solution.

pH, pOH, and the pH scale (article) | Khan Academy

Thumbnail image

Calculating the pH of a strong acid or base solution. ... Typical concentrations of these ions in solution can be very small, and they also span a wide ...

Social justice issues tend to affect the group of people the most the group of people which are the less privileged. Thus, the correct option is C.

Social justice is the view that everyone deserves an equal economic, political and social rights and also the opportunities. Social workers usually aim to open the doors of the access and also the opportunity for everyone, particularly those who are in greatest need. Social justice encompasses the economic justice in community.

Social justice is present in various provisions of the laws and the Constitution of the India. Provisions which are towards the women empowerment, empowerment of backward classes, abolition of the slavery, creation of a welfare state, etc., are some forms of the social justice.

Therefore, the correct option is C.

Learn more about Social justice here:

https://brainly.com/question/14573733

#SPJ1

 During nuclear imports, a cargo protein connects with nuclear pore protein (FG-Nups) during nuclear shipment, the cargo proteins interacts with importin receptors via its NLS in nuclear shipment, and so forth.

Assembled ribosomal subunits, transfer RNA, and proteins are exported from of the nucleus as a result of connection with exportins, that bind nuclear export signals, a signalling sequence (NES). The Ran small G-protein controls how well importins and exportins move their payload.

For the nuclear transport, the following four factors are crucial: karyopherins (importin/exportin/transportin), which may detect cargo molecules, nucleoporins (NUPs), which are constituent proteins of NPCs, ranGTPase, which enables active transport and directionality, nuclear localization signals (NLSs), or

To know more about cargo visit:

https://brainly.com/question/14931812

#SPJ4

Answer: so they can make goal warming hotter and thanks

Explanation:

Hormones are chemical messengers that are produced and secreted by endocrine glands and cells in response to specific physiological signals. These signals may include changes in blood glucose, levels of other hormones, and nerve impulses.

A) Hormones are chemical messengers that are secreted by endocrine glands and travel through the bloodstream to reach their target cells, which may be located throughout the body.

B) Hormonal activity depends on the amount secreted and the rate at which it is metabolized and eliminated from the body.

C) Not all hormones can cross cell membranes. Some hormones, such as steroid hormones, are lipid-soluble and can diffuse across cell membranes to bind to intracellular receptors, while others, such as peptide hormones, bind to receptors on the surface of target cells.

D) Hormones can act throughout the body, not just in the brain. Hormones have a variety of functions in the body, including regulation of metabolism, growth and development, reproduction, and stress responses, among others.

The complete question is :

Which of the following statements is true about hormones?

A) Hormones travel freely in the blood for long periods of time.

B) Hormonal activity depends on the amount secreted compared to the amount excreted.

C) All hormones can cross cell membranes.

D) Hormones only act in the brain.

To learn more about Hormones here:

https://brainly.com/question/30527782

#SPJ4

The correct answer is Interventions  where the "Interventions involve helping students work around their deficit areas by using their strengths."This statement refers to the concept of using a strength-based approach to interventions for students with exceptionalities.

An IEP (Individualized Education Program) can only be written for students who have been identified as having a disability that qualifies them for special education services under the Individuals with Disabilities Education Act (IDEA).

The other statements are not entirely accurate:

Both IEPs and 504 plans seek to provide accommodations and support for students with disabilities, but they differ in their scope and eligibility criteria.

Exceptionalities like cerebral palsy are typically diagnosed early in life, often shortly after birth or in early childhood, and are typically identified by medical professionals rather than teachers.

Learn more about exceptionalities at :

https://brainly.com/question/14241142

#SPJ1

The atomic number is given in the table along with the group and period they belong to, hence Lithium has the same number of energy levels as Beryllium, and Magnesium has the same number of energy levels as Sodium.

Atomic number can be defined as the number of protons or the positive charges that are present in the nucleus of an atom.

In the data given here in the table, it can be inferred that:

The number of energy levels, or shells, of electrons in an atom is determined by its position in the periodic table. Atoms in the same row or period of the periodic table have the same number of energy levels, while atoms in the same column or group have similar chemical and physical properties.

Hence, both lithium and beryllium have one energy level or shell of electrons and both magnesium and sodium have three energy levels or shells of electrons.

Learn more about atomic number, here:

https://brainly.com/question/8633623

#SPJ1

The statement accurately summarizes a difference between ribonucleotides and deoxyribonucleotides is c) Ribonucleotides have a hydroxyl group bonded to their 2' carbon; deoxyribonucleotides have an H at the same location.

Nucleic acid is the genetic material found in the cell nucleus that functions to carry genetic information and control cell activity. There are two types of nucleic acids, namely RNA or ribonucleic acid and DNA or deoxyribonucleic acid.

DNA is a type of nucleic acid consisting of two long strands twisted together to form a double helix like a twisted ladder. DNA contains deoxyribose sugar and deoxyribonucleotides have H in the same location. While RNA is a type of nucleic acid with riba sugar where the number 2 carbon binds to the hydroxyl group. RNA consists of a short mucleotide chain or single helix.

Learn more RNA at:

https://brainly.com/question/28516686

#SPJ4

The term "macro environment" refers to the vast range of external elements, such as social, political, legal, technical, and economic ones, that might have an effect on an enterprise.

These elements may be examined in relation to the bottled water sector as follows:

1. Economic: The demand for bottled water as well as the prices associated with manufacturing and distribution can be impacted by the economic climate.

Because consumers may choose tap water if they have less money to spend, the bottled water sector is susceptible to variations in disposable income.

The profitability of bottled water firms can also be impacted by the price of raw materials like plastic bottles.

2. Political/Legal: The bottled water industry may be impacted by the political and legal climate in a variety of ways.

The manufacture and sale of bottled water may be impacted by laws on water quality and safety.

The price of production can also be impacted by modifications to taxes or tariffs on plastic or other raw materials.

Regulations pertaining to recycling and garbage disposal also have an influence on the sector.

3. Technological: Numerous ways in which technological developments may affect the bottled water industry.

For instance, advances in water purification technology can result in more competition from companies that offer tap water.

Furthermore, improvements in packaging technology can devalue plastic bottles or heighten competition from other packaging materials.

4. Social: The social context can affect both the perception of the industry and the demand for bottled water.

For instance, customer worries about the environment may influence their decision to pick another beverage or to utilise reusable containers rather than single-use plastic bottles.

In addition, shifts in customer tastes or demography may affect the kinds of bottled water products that are in demand.

5.Environmental: The bottled water industry may be impacted by the environment in a variety of ways.

For instance, increasing laws about water consumption and garbage management may result from worries about climate change.

The availability of water resources may also be impacted by changes in weather patterns or drought conditions, which can have an influence on production costs.

In conclusion, a variety of external elements, such as economic, political, legal, technological, social, and environmental considerations, have an influence on the bottled water sector.

For businesses in the sector to long-term sustainability and competitiveness, it is crucial to comprehend and respond to these elements.

For such more questions on Macro Environment.

https://brainly.com/question/16080962

#SPJ4

Answer:

Surpisingliy! Humus increases soil fertility!

Explanation:

hope it helpsssss

the correct classifications for each example is :

Distribution of fossils on five continents - Biogeography, Homologous structures of vertebrate forelimbs - Anatomy, Similarities in DNA sequences - Molecular comparisons, Similarities in the embryonic stage of species - Development.

Distinct species on either side of Wallace's line -Biogeography, Vestigial structures - Anatomy

Amino acid sequence differences between two species - Molecular comparisons

Anatomy is the study of the physical structure of organisms, including their internal organs, tissues, and cells. In biology, anatomy is used to understand how different parts of an organism's body work together to carry out essential functions.

Biogeography, on the other hand, is the study of the distribution of living organisms around the world and the processes that have shaped their geographic patterns. Biogeography is concerned with understanding why certain species are found in certain regions, and how these distributions have changed over time due to factors such as migration, continental drift, and climate change.

Learn more about DNA here:

https://brainly.com/question/25979866

#SPJ4

The given statement, "When tissues are producing more CO₂ through increased metabolic activity, less O₂ is provided to those tissues," is false because such tissues require even more oxygen.

Tissues are the group of similar type of cells that work together in coordination to accomplish a common function. Cells of such tissues have similar shape and structure. The tissues are responsible for giving rise to large multicellular organisms.

Metabolic activity refers to the various chemical reaction inside the living body involved in the formation or breakdown to certain molecules. The metabolic activity can have two forms: anabolic activities and catabolic activities.

To know more about tissues, here

brainly.com/question/967104

#SPJ4

The water gains thermal energy causes water to move from the liquid part of the hydroshere to the crioroshper.

The melting of ice to water happens in the following steps:

Therefore, The water gains thermal energy causes water to move from the liquid part of the hydroshere to the crioroshper.

Learn more about temperature on:

https://brainly.com/question/11384928

#SPJ9

The specific three-dimensional structure of a protein is critical for its function, as it determines its ability to interact with other molecules and carry out its biological roles.

Proteins have four levels of structure, which are:

To know more about the three-dimensional structure of a protein:

https://brainly.com/question/14834517

#SPJ4

A large puma is more likely to catch and subdue larger prey than a smaller-sized puma. Choose the term that best describes why a small puma would pursue smaller prey is called  Size-selective predation.

The cougar, also known as the puma, mountain lion, and panther[2], is the only member of the genus Puma in the family Felidae. Puma may also include a number of little-known Old World fossil representatives, such as Puma pardoides, or Owen's panther, a large, cougar-like cat from the Pliocene of Eurasia.  

A few New World fossil examples, such as Puma pumoides  and the two species of the so-called "American cheetah," which are now categorised under the genus Miracinonyx, are also probable in addition to these putative Old World fossils.

Learn more about puma

https://brainly.com/question/20857223

#SPJ4