Cyanobacteria can make their own food because they contain what
Unscarable this word
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Answer:

Phloem is the food transporting vesicles of a vascular plant

Explanation:

Phloem and Xylem together forms the vascular tissue. While Xylem transport fluid in the plant , phloem is responsible for transportation of soluble organic substances such as sugar, protein etc. Phloem transports food produced during the process of photosynthesis in leaves to all other non-photosynthesizing body parts such as stem and roots.  The food travels from the leaves to the roots with the assistance of gravity.  

The substance in phloem travel through the “sieve tube members” and “ companion cells” .

Answer:

salivating at the thought of a hamburger

Explanation:

The autonomic functions of the human body are governed by the autonomic nervous system, which is an involuntary system that transmits nerve impulses from the central nervous system to the periphery, stimulating peripheral organs and systems.

Salivating at the idea of ​​a hamburger is an unconscious action, that is, we cannot control it; such as the heartbeat, breathing, among other actions of our human body.

1. A group of  students analyzed four biological samples that each contain  a different macromolecule.

Here the data is given in the table, based on that we can say that sample 3 is most likely to contain RNA.

2.The transmission of genetic material from one generation to next is necessary for the survival of species.

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The status of the biosphere can be assessed globally using remote sensing and biodiversity studies. Remote sensing involves using satellite technology to track environmental and biological conditions, while biodiversity studies involve detailed analysis of the variety of life in different regions.

To assess the status of the biosphere on a global basis, scientists and researchers could use a method called remote sensing. This involves satellites and radars that monitor conditions on Earth, providing important data on global indicators. For example, NASA's Earth Observing System tracks parameters such as temperature, humidity, vegetation, carbon dioxide and other critical measurements. Data from remote sensing offers comprehensive, global information about environmental and biological processes in the biosphere.

Another method is through biodiversity studies. This involves counting, comparing and monitoring the variety of life, including plants, animals and microorganisms, in different areas of the biosphere. Many of these studies are conducted through field work, laboratory research and statistical analysis, all aiming to comprehend the dynamics of the biosphere.

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The question is missing the options, here are the options for the above question:

A. Examine the patient within the context of one's own cultural health and illness practices.

B. Select questions those are not complex.

C. Ask questions rapidly.

D. Touch patients within the cultural boundaries of their heritage.

E. Pace questions throughout the physical examination.

The correct choices are “B, D, and E”.

Complex questions may not be responded in satisfactory ways due to cultural variations and touching patients have various boundaries as in every cultural heritage that is different and finally pacing the question throughout the examination may help patient get better care.

A vacuole is an organelle found in different forms of life (i.e., animal, plant, protist, fungi and bacteria). The plant vacuoles are filled with water containing both inorganic and organic compounds in solution.

In conclusion, a vacuole is an organelle found in different forms of life. The plant vacuoles are filled with water containing inorganic (salt) and organic (e.g. enzymes) substances in solution.

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A vacuole in plant cells serves as a storage area for water, nutrients, and wastes, maintains turgor pressure to support the plant's structure, and plays a role in protecting the plant from herbivory. It can occupy up to 90% of a plant cell's volume and is essential for the plant's responsiveness to water availability, contributing to cell expansion and wilting depending on environmental conditions.

The function of the vacuole in plant cells is multifaceted, primarily involving storage and maintenance of internal pressure. A large central vacuole is a signature feature of plant cells, taking up to 90% of the cell's volume, and it is crucial for storing water, nutrients, and waste products. Additionally, the central vacuole helps maintain turgor pressure, which supports the cell structure and is vital for plant rigidity and overall health.

By regulating the water balance within cells, the vacuole plays a key role in cellular function, particularly in changing environmental conditions. When a plant lacks water, the vacuole will release some of its water content, causing the plant to wilt due to loss of turgor pressure. Furthermore, the vacuole is involved in the storage of pigments that color flowers and has a role in deterring consumption by animals and insects due to the bitter taste of the fluid within.

Certain amino acids are called essential because they cannot be synthesized from the scratch. There are nine essential amino acids.

An essential amino acid or the indispensable amino acid is an amino acid which cannot be synthesized from that of scratch by the organism fast enough to supply its demand in the body, and must therefore come from the diet they eat. Out of the 21 amino acids which are common to all the life forms, the major nine amino acids include humans those who cannot synthesize include phenylalanine, valine, threonine, tryptophan, methionine, leucine, isoleucine, lysine, and histidine amino acids.

Foods which contain all the nine essential amino acids are called as complete proteins. These food components include beef, poultry, fish, eggs, dairy, soy, quinoa, and buckwheat.

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Final answer:

Health risks associated with consuming more than 60 grams of fiber per day include decreased mineral absorption, blockage of the intestinal tract, and decreased appetite. All of these options are correct, highlighting the need for balanced fiber intake.

Explanation:

Consuming more than 60 grams of fiber per day poses some health risks, such as decreased mineral absorption due to chemical binding by the fiber, blockage of the intestinal tract, and decreased appetite in some individuals. Indeed, all of these choices are accurate. While dietary fiber is beneficial and necessary for proper digestive health, excessive intake can lead to these adverse effects. High levels of fiber can interfere with the absorption of minerals like calcium, iron, and zinc because it binds to these minerals, making them less available to the body. A very high-fiber diet can also lead to intestinal blockages, especially if fluid intake is not increased concurrently. Moreover, fiber is known for its satiating effect, which can be advantageous for weight control but might lead to a decreased appetite and potential undernutrition if intake is excessively high.

The correct answer is that spermatids are larger and have a round shape, while spermatozoa are smaller and have a flagellum.

To understand the differences between spermatids and spermatozoa, one must consider their stages in spermatogenesis, the process by which sperm are produced.

Spermatids are the haploid cells that result from the second meiotic division of secondary spermatocytes. They are characterized by the following morphological features:

1. Size: Spermatids are larger than spermatozoa. This is because they have not yet undergone the final stages of differentiation and maturation that will transform them into mature sperm cells.

2. Shape: Spermatids have a round shape. They do not possess the elongated form that is typical of mature spermatozoa.

3. Nucleus: The nucleus of a spermatid is larger and less condensed compared to that of a spermatozoon. The DNA within the nucleus of a spermatid is not yet fully packaged with protamines, which are proteins that replace histones during spermiogenesis, leading to a more compact nucleus in the spermatozoon.

4. Cytoplasm: Spermatids have a significant amount of cytoplasm, which contains organelles and other cellular components necessary for their development into spermatozoa.

Spermatozoa, on the other hand, are the mature, motile sperm cells. They exhibit the following morphological characteristics:

1. Size: Spermatozoa are smaller than spermatids due to the loss of excess cytoplasm and the condensation of their nucleus.

2. Shape: Spermatozoa have an elongated shape with a distinctive head, midpiece, and tail. The head contains the condensed nucleus, the midpiece has mitochondria arranged in a helical fashion to provide energy for movement, and the tail is a flagellum that propels the sperm.

3. Flagellum: One of the most notable features of spermatozoa is the presence of a flagellum, which is an elongated structure that enables them to swim. Spermatids do not have a flagellum.

4. Acrosome: Spermatozoa have a specialized structure called the acrosome at the tip of their head. The acrosome contains enzymes that help the sperm penetrate the egg during fertilization. Spermatids begin to develop an acrosome, but it is not fully formed until the spermatozoon stage.

In summary, the two major differences in the morphology of spermatids and spermatozoa are that spermatids are larger and have a round shape, while spermatozoa are smaller, have an elongated shape with a distinct head, midpiece, and tail, and possess a flagellum for motility. These differences are crucial for the function of spermatozoa in fertilization.