How do hormones work
A.) by entering cells In a targeted area
B.) by destroying target cells
C.) by only binding to those cells that have appropriate receptors on their cell walls
D.) by stimulating the release of targeted chemicals into the bloodstream

Answer:

Fungus and bacteria

Explanation:

ANIMALS ARE NOT PLANTS

Answer:

bacteria

fungus

Explanation:

Fungus, worms, and bacteria are all examples

Answer:

Las respuestas se dan a continuación.

Explicación:

1) Una búsqueda de helado y un vaso con jugo es un sistema abierto, un perro es un sistema aislado mientras que una bolsa de 1 kg de arroz sin abrir, un termómetro y una lata de guisantes es un sistema cerrado.

2) la limonada con hielo, el agua carbonatada, el agua en acetona y el café con leche son sistemas homogéneos mientras que el agua y el aceite, la tierra, la arena y las piedras son sistemas heterogéneos.

3) El recipiente de la imagen tiene agua coloreada y está tapado.

B. el sistema está cerrado.

C. El sistema es homogéneo.

D. Si enfriamos el recipiente a hielo, la masa del sistema no cambiará.

4- Se estudia la vida de los peces en una pecera que se encuentra sobre una mesa en el laboratorio.

a. El sistema es abierto y el medio ambiente es acuático.

B. Es un sistema heterogéneo.

Answer:

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Answer: The English test has three components: reading, writing, and speaking.

Explanation:

Answer:

d. reduce heat gain during summer months

Explanation:

Deciduous plants (trees, shrubs, and herbaceous perennials) are those plants that lose all of their leaves for a certain part of the year.

Such types of plants are found in areas where there are cool winters and warm moist summers.

Deciduous vegetation can play a large role in building design as a result of its ability to reduce heat gain during the summer months.

Option d. is correct.

Answer:

C. tricuspid

Explanation:

Blood flowing into the heart from the venue flows next through the tricuspid valve.

Hope this helps!

Answer: 47.5 Feet

Explanation: I just did it

Genetic drift refers to the random fluctuations in the frequency of alleles within a population over generations. The rate of genomic mutation will be higher in small populations due to the effect of genetic drift.

In small populations, genetic drift, also known as random genetic drift, becomes a significant factor influencing the genetic makeup of the population. Genetic drift occurs when random fluctuations in allele frequencies happen due to chance events, particularly in small populations where there is a limited number of individuals.

Genomic mutation refers to changes in the DNA sequence of an organism's genome. Mutations can occur spontaneously and can lead to genetic diversity within a population. In small populations, genetic drift can have a more pronounced impact on the frequency of mutations. Random events, such as the loss of individuals carrying certain mutations or the fixation of other mutations, can occur more frequently in small populations due to their reduced genetic variation.

As a result, the rate of genomic mutation is likely to be higher in small populations due to the combined effects of genetic drift and the potential for rapid changes in allele frequencies. This increased rate of genomic mutation in small populations can have implications for the genetic health, adaptation, and evolutionary dynamics of those populations.

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Answer:

there is no diagram...

but I'm guessing Bicep...

Explanation:

The student looked into how temperature affected the activity of the enzyme amylase.

Blood in the blood arteries surrounding the intestine is represented by the water in the boiling tube outside the model gut.

When starch is present, iodine solution takes on a blue/black hue; however, when all of the starch is broken down, no longer does this happen.

To allow the reaction to take place while waiting for the enzyme to react with the starch, the test tubes should be kept undisturbed.

The amylase will break down starch extremely fast at the ideal temperature. Due to its lower kinetic energy, the amylase will break down starch gradually at low temperatures.

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The Journal of Medical Microbiology" will be considered as the primary literature. Option B is correct.

Primary literature refers to original research articles, studies, or publications that present new findings or data obtained through research. These publications undergo a rigorous peer-review process to ensure their accuracy and reliability.

On the other hand, "Scientific American" and "National Geographic" are popular science magazines that publish articles written by journalists and science writers that are often based on primary literature, but are not considered primary sources themselves.

Similarly, "Wikipedia" is an online encyclopedia that compiles information from various sources, including primary literature, but it is not considered a primary source as anyone can edit it, and its accuracy is not always guaranteed.

Hence, B. is the correct option.

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1. True

2. A form of antidepressant medication.

Animals that effectively use their body surface for gas exchange must have a large surface area and a thin, moist membrane.

Efficient gas exchange across the body surface requires a large surface area to maximize contact between the respiratory surface and the surrounding environment. This allows for a greater exchange of gases, such as oxygen and carbon dioxide. Some animals achieve a larger surface area by having specialized structures like gills, lungs, or tracheae.

Additionally, the respiratory surface needs to be thin to facilitate the diffusion of gases. A thin membrane reduces the distance that gases must traverse, allowing for more rapid exchange. The thinness of the respiratory surface is achieved by having a single layer of cells or a delicate structure that allows gases to diffuse across it.

Finally, a moist membrane is necessary for gas exchange as gases readily dissolve in water. Moisture helps to keep the respiratory surface hydrated, allowing gases to dissolve and diffuse effectively.

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Chemotaxis in bacteria occurs through the use of d) a modified two-component system.

In this process, bacteria detect and move towards favorable chemical gradients or away from unfavorable ones, allowing them to efficiently navigate their environment and respond to changing conditions. This system involves the interaction between a transmembrane receptor and a cytoplasmic response regulator, which allow the bacterium to sense changes in its environment and respond accordingly by moving towards or away from certain chemicals or stimuli.

This system is different from quorum sensing and autoinduction, which involve the communication and coordination of bacterial behavior within a population. Adaptation is also a process that bacteria use to adjust to changes in their environment, but it is not directly related to chemotaxis.

Hence the correct option is d) a modified two-component system.

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Answer: B

Explanation: Hope this helps:)

The evidence used by the speaker in the video that helps support the position that birds at the top of the food chain have been harmed the most by DDT is by stating claims about birds and their environment and using evidence to support the claims.

William Engdahl, an analyst and researcher, in his speech "The DDT Story - How US
Agency for International Development Used Third World Citizens as Guinea Pigs for
Human-Testing of a Known Carcinogen," shows how the pesticide DDT (dichloro-diphenyl-trichloroethane) had a catastrophic impact on birds, wildlife, and humans.

Engdahl uses evidence to support his statements, demonstrating how DDT became a global concern and how it triggered public action to counter the impacts. Based on the question, the speaker supports the position that birds at the top of the food chain have been harmed the most by DDT by stating claims about birds and their environment and using evidence to support the claims.

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Answer:

Double helix

Explanation:

that's the biology in humans

Answer:

This could cause a ripple down the food chain and spell extinction for entire ecosystems.

Explanation:

Endocrine glands have composed of cells that produce hormones and secrete them into the bloodstream.

Endocrine glands are also known as hormone-producing glands.  These glands are scattered in various parts of the body and have their respective roles in regulating organ systems.  Therefore, their health needs to be maintained in order to function normally.

1. Pituitary Gland

The pituitary gland is a small gland located at the base of the brain.  Despite its small size, the function of this gland is very large in the endocrine system.  This gland is considered the 'leader' of all endocrine glands, as it can produce various hormones that regulate the functions of other endocrine glands.

2. Thyroid Gland

The thyroid gland produces the hormones thyroxine (T4) and triiodothyronine (T3) which are responsible for regulating the body's metabolic processes.  In addition, this hormone also plays a role in the formation of bone tissue, body temperature regulation, and the development of the brain and nervous system.

3. Parathyroid glands

This gland releases parathyroid hormone which plays a role in regulating calcium levels in the blood.  The task of this hormone is assisted by the hormone calcitonin which is produced by the thyroid gland.

4. Adrenal glands

The adrenal glands are divided into two parts, namely the cortex and the medulla.  The cortex is responsible for producing steroid hormones that regulate metabolism, the immune system, the body's response to stress, and the development and function of sexual organs.

Meanwhile, the medulla plays a role in producing the hormone epinephrine or adrenaline to increase blood pressure and heart rate.

5. Pancreatic gland

The pancreas gland produces two hormones, namely the hormone glucagon and the hormone insulin.  Glucagon functions to store and increase blood sugar levels, while insulin functions to lower blood sugar levels.

6. Reproductive glands

The male reproductive glands or testes are located in the testicles or scrotum, while the female reproductive glands, the ovaries or ovaries, are located in the pelvis.

The testes produce the hormone testosterone to produce sperm, while the ovaries produce the hormones estrogen and progesterone which play a role in supporting pregnancy and regulating the process of ovulation and menstruation.

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Answer:

I'm gotta take a stab at it:

1. Health = E

2. Weight Management = G

3. Bacteria = F

4. Vaccination = H

5. Dengue = I

6. Allergens = B

7. Body Mass Index = J

8. Down Syndrome = A

9. Proper Sewage Disposal = C

10. Infectious = D

Hope it helps!

Answer: Is a result of genetics and environmental factors.

Explanation:

Cancer is the common name for a group of diseases in which there is a division of the body's cells, whose growth exceeds that of normal tissues and which persists in the same excessive manner. It can begin in a localized manner and spread to other surrounding tissues and its malignancy is very variable, according to the aggressiveness of its cells and other biological characteristics of each type of tumor. In general, the behavior of cancer cells is characterized by lacking the reproductive control required by their original function, acquiring the capacity to invade tissues (metastasis), spreading through the organism via the lymphatic or circulatory system, and causing the growth of new tumors in other parts of the body.

A gene is a hereditary unit composed of DNA that carries the instructions for producing proteins, which do much of the work in our cells. Certain genetic alterations can cause cells to evade growth controls and become cancerous cells. These changes can be inherited from our parents if the changes are present in the germ cells (eggs and sperm) and they are called germline changes. In addition, cancer-causing genetic changes can also be acquired during a person's lifetime (somatic or acquired changes), as a result of DNA errors that occur when cells divide either spontaneously or by exposure to carcinogenic substances that damage DNA (environmental factors), such as certain chemicals in tobacco smoke, or radiation, such as ultraviolet rays from the sun. These substances damage DNA, acting as mutagens.

Sometimes, the changes are not in the DNA sequence. For example, the epigenetic modifications are the presence of chemical marks in DNA which can determine if the gene is expressed. This means, whether and how much messenger RNA is produced, because the messenger RNA is translated into proteins.

So, cancer cells have genetic changes compared to normal cells. These changes are due to mutations that can be inherited, acquired spontaneously during life, or acquired due to environmental factors such as sun exposure, smoking, and other factors. In addition, the fact that a person has the cancer-related mutation does not necessarily mean that he or she will develop the disease during his or her lifetime. In some cases, even if they have this genetic vulnerability, they remain healthy, because cancer is a multifactorial disease that depends on many factors, such as the immune system, nutrition and certainly many others currently unknown to medicine.

Answer:

i think they are orignally from cold areas so they store water and moisture in there needles. and they stay green year round.

Explanation:

Answer:

8 different temperatures

Explanation:

The annexed chart is required to answer this question and should have been provided.

From this chart, we can see that Abdul kept different dishes at 17, 18, 19, 20, 21, 22, 23 and 24 °C, and that at 22°C he experienced the highest number of germinated seeds.

Therefore, Abdul used 8 different temperatures.

Answer:

Gymnosperms and lower vascular plants have sieve cells as their sieve elements, while sieve tubes are characteristic of flowering plants angiosperms. In gymnosperms, typical companion cells are lacking in the phloem. In gymnosperms, generally the xylem contains only tracheids. Vessels are absent.

Explanation:

did that help?

Answer:

C

activates a chemotaxic response in certain phagocytic cells

The extracellular matrix (ECM) of epithelial tissue is located in the basal lamina underneath the epithelium.

The basal lamina is a thin mat that lies beneath the epithelium, is where the majority of the extracellular matrix (ECM) of epithelial tissue is found. A specific extracellular matrix separates the epithelial tissue from the underlying connective tissue.  

Collagen fibers and a family of proteoglycans that contain carbohydrates are woven together in the extracellular matrix. These proteoglycans may be connected to lengthy polysaccharide backbones. Numerous different varieties of proteins and carbohydrates are also present in the extracellular matrix.

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Answer:

b. Facial nerve is correct

Explanation:   here is some googlied info as well

The facial nerve (the labyrinthine segment) is the seventh cranial nerve, or simply CN VII. It emerges from the pons of the brainstem, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue.