The scientist concluded that plants are made up of cells was Matthiass Jakob Schleiden
Matthiass Jakob Schleiden, a German botanist, stated that all plants are made up of cells. In his statement explained that all aspects of the function of the plant body are basically a manifestation of cell activity. The discovery by Schleiden in the year known as the cell doctrine, officially marked the birth of the branch of cell biology.
The cell is the smallest unit that makes up the body of living things which consists of three main parts, namely the cell membrane, cytoplasm, and the cell nucleus. In plant cells there are organelles inside which are separated by membranes that have their respective functions. The characteristic feature of plant cells is that they have a cell wall, chloroplasts and large vacuoles.
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the endocrine system releases _______________ to regulate bodily functions.
Hormones are released into the bloodstream by endocrine glands. The hormones can now reach cells in other places of the body thanks to this. Endocrine hormones aid in mood regulation.
What does the body have endocrine for?
Picture for endocrine (EN-doh-krin SIS-tem) the tissues and organs that hormone secretion and release them into the bloodstream so they can reach all of the body's tissues and organs. The hormones produced by the endocrine glands regulate a variety of vital bodily processes, including as metabolism, reproduction, and growth and development.
What endocrine condition is most typical?
Diabetes is the most prevalent endocrine condition in the US. There are a lot more. Typically, they are managed by regulating the amount of hormone your body produces. If there are too few hormones in the body, hormone supplements may be able to help.
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Please help as fast as you can!!
The habitat and reason for the adaptations for each animal are given below:
Penguin:
1. Habitat: Polar and icy regions2. Dark feathers on their back - to conserve heat4. Webbed feet - to walk on ice3. Thick skin and lots of blubbers - to conserve heat5. Wings used as flippers - to swim in waterTuna:
1. Habitat: Seas and ocean waters2. Shape - to move easily through water3. Gills - to breathe underwater4. Body covered in scales - to protect the fishWhat are adaptations?An adaptation is a modification of an organism or its parts that makes it more suited for the conditions of its environment .
A structural adaptation is one that is physically a component of the organism.
Another type of adaptation is behavioral, which modifies how a creature reacts to its surroundings. The structural adaptations made by some plants to survive in hot, arid deserts are an illustration of this.
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PLEASE HELP ME ASAP!!!
I think the answer is A
Answer: The correct answer would be A. A game needs only half the number of chromosomes because two games join together
Explanation:
which substances leave the blood by diffusing directly through the plasma membrane of endothelial cells? check all that apply.
Оxygen Sterold hormones Carbon dioxide Electrolytes Large proteins Glucose
Oxygen, carbon dioxide, electrolytes, and glucose are substances that leave the blood by diffusing directly through the plasma membrane of endothelial cells.
These substances are small enough to pass through the pores in the endothelial cell membrane or dissolve in the membrane itself. Oxygen and carbon dioxide are gases that can freely diffuse across the membrane, while electrolytes and glucose are small ions and molecules that can diffuse through the pores. Steroid hormones and large proteins, on the other hand, cannot pass through the plasma membrane of endothelial cells without the aid of transport proteins. Overall, the movement of these substances across the endothelial cell membrane is essential for maintaining proper physiological functions in the body. Oxygen, carbon dioxide, electrolytes, and glucose are substances that leave the blood by diffusing directly through the plasma membrane of endothelial cells.
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physical interventions whether to stop or reduce the spread of respiratory viruses
Yes, physical interventions, whether to stop or reduce the spread of respiratory viruses.
Physical interventions can limit respiratory virus spread. Talking, coughing, and sneezing spread respiratory viruses like the flu and COVID-19. Droplets can be inhaled or spread by contact
Physical treatments can minimize droplet and viral dissemination. Physical interventions:
Wearing a mask: Masks collect respiratory droplets and limit their spread.Social distancing: Keeping at least 6 feet from people helps limit respiratory droplet distribution.Hand hygiene: Washing or sanitizing your hands can help prevent respiratory viruses from spreading.Ventilation: Bringing outdoor air indoors or utilizing air filters can lower respiratory droplet concentrations.Public health authorities worldwide advocate these physical actions to reduce respiratory infections.
The complete question is as follows:
Are physical interventions whether to stop or reduce the spread of respiratory viruses?
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a tall statue is situated in the middle of a large circular field during what part of the day will the head of the shadow be farthest from the statue
Answer:
The head of the shadow of a tall statue will be farthest from the statue during either sunrise or sunset when the sun is closest to the horizon. At other times of the day, the sun's angle is higher, and the shadow will be shorter and closer to the base of the statue.
Select all of the following that describes the geneticist, Gregor Mendel?
- careful, deliberate, note-taker
- used fruit flies in his experiments
- integrated mathematics in his studies
- followed the scientific method closely
The following that describes the geneticist, Gregor Mendel include the following below:
careful, deliberate, note-takerintegrated mathematics in his studiesfollowed the scientific method closely.Who was Gregor Mendel?He is known as the architect of genetic experimental and statistical analysis, and he remains the acknowledged father of genetics due to his numerous works.
He integrated mathematics into his study and followed the scientific method closely which was why he was able to achieve a lot in his works on genetics.
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Walking along a large city park on a hot summer day, you look for a cool resting place and sit down on a large rock under a tree, at the quiet edge of a stream. You have searched for and found an example of a :
a. microclimate
b. biome
c. landscape
d. population
The definition of a microclimate is the climate of a relatively tiny or constrained area, particularly when this differs first from climate of the surroundings. So , the correct option is A .
The location here will have a cool microclimate near the stream's bank, under the tree, or on the rock, even though the surrounding region is very hot.
Locally unique elements like hills, mountains, and water bodies contribute to the existence of microclimates. Microclimates can also be caused by man-made objects like buildings and roads. Examples includes snow at higher altitudes on city hills and mild weather by the ocean.
Microclimates are brought on by regional variations in the quantity of heat or water that is absorbed or trapped close to the surface. It is possible for a microclimate to be a little warmer than the surrounding environment because it receives more energy.
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What is A template strand in biology?
In molecular biology, a template strand, also known as the antisense strand or non-coding strand, is the DNA strand that is used as a template for the synthesis of a complementary RNA strand during transcription.
This process involves the reading of the template strand by RNA polymerase, which then synthesizes an RNA molecule that is complementary to the template strand.
The template strand is called the antisense strand because it has a complementary sequence to the coding or sense strand, which is the DNA strand that is not used as the template during transcription. The coding strand has the same sequence as the RNA molecule, except that thymine in DNA is replaced by uracil in RNA.
The information contained in the template strand is essential for the accurate synthesis of RNA molecules, which are then used to synthesize proteins. Understanding the role of the template strand is critical to understanding the complex molecular processes that underlie gene expression and protein synthesis in living organisms.
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What is the smallest unit of life that can reproduce?
Answer: cell
Explanation:
Fill The Blank? mosses and liverworts are the two main types of plants that are _________ plants.
Non-vascular plants. Bryophytes, which are non-vascular plants, include mosses and liverworts. Trees, flowering plants, and ferns are examples of vascular plants that can survive in settings with less water.
Simple conductive tubes on mosses and liverworts keep them confined to moist regions. The majority of bryophytes are tiny and develop in groups that resemble cookie-cutter forms.
The leaves of mosses and liverworts are quite small and typically only one cell thick. True roots, which are multicellular organs present in vascular plants, are absent from these plants. Although mosses and liverworts are similar in many respects, there are a few characteristics that assist distinguish the two. Most mosses first develop a stalk. The capsule then develops and releases spores. In liverworts, the capsule forms first, and then the stalk develops.
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the enzyme lactase speeds up the break down of lactose into what 2 smaller monosaccharides. True or False?
True , Lactase breaks down lactose into the monosaccharides galactose and glucose
Lactose intolerance occurs when your small intestine doesn't produce enough of an enzyme (lactase) to digest milk sugar (lactose). Normally, lactase turns milk sugar into two simple sugars — glucose and galactose — which are absorbed into the bloodstream through the intestinal lining. If you're lactase deficient, lactose in your food moves into the colon instead of being processed and absorbed. In the colon, normal bacteria interact with undigested lactose, causing the signs and symptoms of lactose intolerance. Lactose digestion occurs in the small intestine with the help of the enzyme known as lactase. Lactase breaks down lactose into the monosaccharides galactose and glucose, which makes them available for absorption. Glucose ultimately gets taken up by our cells with the help of insulin. Galactose is transported to the liver, where it is turned into glucose for use in energy production.
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went’s experiment differed from all previous plant tropism experiments byA. determining the chemical properties and structure of a hormone that influences plant growth.
B. demonstrating that plants respond to indirect light by growing toward the light.
C. isolating a plant hormone from one plant and using it to change growth patterns in a different plant.
D. showing that the coleoptile portion of a plant is essential in responding to light signals.
By demonstrating the importance of a plant's coleoptile region in reacting to light signals, all prior plant tropism investigations. Option d
How are hormones defined?The body uses hormones as messenger molecules. Hormones are chemical compounds. They are produced in one area of the body and then move to other areas where they assist in regulating the function of the cells and organs.
What do the hormones in a person's body do?By sending information to your kidneys, skin, muscles, and other tissues through the blood, hormones are substances that coordinate many bodily operations. Your body receives instructions from these signals as to what to do and when. For both your health and survival, hormones are crucial.
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water is the trigger for the embryo to begin the enzymatic breakdown of the starchy endosperm.
1. True
2. False
Water is the trigger for the embryo to begin the enzymatic breakdown of the starchy endosperm. The correct option is False.
In a seed, the starchy endosperm serves as a food source for the developing embryo. The embryo will only begin to metabolize the endosperm once it has received the necessary signals that indicate that conditions are suitable for germination. One of these signals is the presence of water. When a seed takes up water, it begins to swell and the embryo starts to grow. However, water alone is not enough to trigger the enzymatic breakdown of the endosperm. The embryo must also receive other signals, such as appropriate temperature and light conditions, before it will begin to metabolize the endosperm.
The process of germination involves a complex series of molecular and cellular events that are regulated by a variety of factors, including water, temperature, light, and hormones. Understanding these factors and how they interact is an important area of study in plant biology and agriculture.
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Which organelle is studded with ribosomes and produces proteins quizlet?
The endoplasmic reticulum (ER), an organelle consisting of membranous tissue, contains membrane ribosomes that are built up in part of the nucleus' membrane. a portion of the ER is referred to as the rough ER.
Since it is coated in ribosomes, which are tiny, protein-producing units, the rough endoplasmic reticulum, also known as RER, is called after how it appears. The nucleolus is a crucial component of protein synthesis because it produces ribosomes. Ribosomes are the cellular organelles responsible for protein synthesis. They are then transferred to the cytoplasm.
In general, the endoplasmic reticulum's job is to make proteins so that the remainder of the cell can operate. It can be smooth or rough. Ribosomes, which are tiny, elongated organelles with a round shape, are found on the rough endoplasmic reticulum and are responsible for producing those proteins.
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Place the following steps of lymphatic flow in the correct order beginning with the interstitial fluid and ending with the blood vessels.Afferent lymphatic vesselEfferent lymphatic vesselCollecting ductLymphatic capillaryLymph nodeLymphatic trunkSubclavian vein
Lymphatic capillaries, lymphatic vessels, lymphatic duct, and subclavian vein are the proper order.
How long do lymphatic vessels last?Open-ended capillaries form the basis of the lymphatic vessels, which grow in size and eventually drain into the bloodstream via a network of ducts.
What are the lymphatic system's nine main trunks?The two lymph ducts in the body are the thoracic duct and the right lymph duct. Jugular lymph trunks, subclavian lymph trunks, bronchomediastinal lymph trunks, and lumbar lymph trunks are the four pairs of lymph trunks. The intestinal lymph trunk is also not paired.
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In appositional growth of cartilage,
a) chondroblasts within the tissue proliferate and add more matrix from the inside.
b) new chondrocytes and new matrix are added on the outside of the tissue.
c) osteoblasts replace the chondroblasts.
d) the tissue becomes vascularized in order to grow.
e) the cartilage is replaced with another kind of connective tissue.
In appositional growth of cartilage, new chondrocytes and new matrix are added on the outside of the tissue which is therefore denoted as option B.
What is Appositional growth?This is referred to as the type of growth which occurs when chondroblasts secrete new matrix along existing surfaces and this causes the cartilage to expand and widen.
Option B talks about the new chondrocytes and new matrix are added on the outside of the tissue in the growth of the cartilage which is therefore the reason why it was vhosen as the correct choice.
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What structure is the sequence of amino acids in a protein?
The structures present in the sequence of amino acids in a protein are nitrogen group, a carboxyl group, and a variable side chain group.
Proteins are made from long chains of amino acids. The amino acids are called the monomeric building block of proteins. The structure of an amino acid is a central carbon bonded to a nitrogen group, a carboxyl group, and a variable side chain group. The type of amino acid sequence present affects the final protein product that is formed. A protein consists of different structures like primary, secondary, tertiary and quaternary structure. The primary structure of the protein is defined as the sequence of amino acids linked together to form a polypeptide chain. Each amino acid is linked to the next amino acid through peptide bonds that is created by the process of biosynthesis of protein.
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true or false. most bacterial cells are encased by a strong cell wall composed of which is a carbohydrate matrix cross-linked by polypeptides.
True. Most bacterial cells are encased by a strong cell wall composed of which is a carbohydrate matrix cross-linked by polypeptides.
What do you mean by bacterial cells?
Bacterial cells are microscopic, single-celled organisms that are found in virtually every environment on Earth, from the hottest springs to the deepest ocean trenches. They come in a wide range of shapes, sizes, and colors, and they are capable of surviving in a variety of extreme conditions. Bacteria play an important role in the Earth's ecosystem by breaking down organic matter, converting nitrogen from the atmosphere into usable compounds, and producing antibiotics.
The cell wall of a bacterial cell is composed of a carbohydrate matrix that is cross-linked by polypeptides. This matrix is a complex network of sugars and proteins that forms a rigid, protective structure around the cell. The cell wall is responsible for providing structural integrity and protection from environmental stresses, such as osmotic pressure, temperature, and pH fluctuations. It also serves as a selective barrier, allowing the cell to take up essential nutrients while keeping out potentially harmful substances. The cell wall also plays an important role in cell division and attachment to other cells.
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Which of the following is found both in prokaryotic and eukaryotic cells?
A. Lysosomes
B.Microbodies
C.Vacuoles
D.Ribosomes
Answer:
D. Ribosomes is the correct answer.
Explanation:
A single fertilized egg divides into many separate embryos is known as Metamorphosis Polygyny Polyembryony Viviparous
Multiple embryos are created as a result of fertilization of the egg. Polyembryony is the name given to this phenomena.
when one fertilized egg splits into numerous distinct embryos?Monozygotic twins, often known as identical twins, are created when a fertilized egg divides into two distinct embryos.Monozygotic twinning can happen spontaneously or as a result of IVF procedures.Monozygotic twinning in nature is thought to be spontaneous and typically happens after the blastocyst ruptures.
What factors into the host's hemostatic reactions during blood feeding?The bloodsucking insect Rhodnius prolixus had evolved a sophisticated salivary secretion with dozens of distinct proteins in order to get around host defenses that limit blood loss.
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This organ is the major organ involved in digestion and absorption:A. StomachB. Small intestineC. Large intestineD. Mouth
The major organ involved in digestion and absorption is the small intestine. So option B is correct.
The main organ in charge of food digestion and nutrient absorption is the small intestine.
The activity of various stomach-related proteins and emissions from the pancreas and liver that are moved through the bile duct, most of the synthetic assimilation of food happens in the small digestive system.
Proteins, carbohydrates, and lipids are separated by the compounds into their component molecules, which are then ingested through the small digestive system wall and into the circulation system.
Villi and microvilli, specialized structures found in the small intestine, enhance the surface area available for nutrient absorption.
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which structure is specialized for the detection of the stimulus that triggers a phototaxic response in certain protists?
The structure specialized for the detection of the stimulus that triggers a phototaxic response in certain protists is called an eyespot or a stigma.
define stimulus ?
A stimulus is a detectable change in the internal or external environment of an organism that produces a response. It can be any physical or chemical change in the environment that an organism can sense and respond to, such as light, sound, touch, temperature, or the presence of a chemical substance. A stimulus can either be a positive or negative trigger that elicits a response from an organism or a cell.
The structure specialized for the detection of the stimulus that triggers a phototaxic response in certain protists is called an eyespot or a stigma.
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______most involved in regulating and controlling body functions
Most body functions are regulated and controlled by the neurological system.
Which two types of bodily membranes fall under each category?Body membranes are incredibly thin sheets or layers of tissue or cells that line various body cavities, cover the surface of internal organs, and are found on the outside of the body. The epithelial membranes and the connective tissue membranes are the two main classes into which these membranes are divided.
The membranes are referred to as.Every cell has a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external world. Materials moving into and out of the cell are controlled by the cell membrane.
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introducing a plasmid of dna into an organism that will allow it to exhibit new traits is called
Introducing a plasmid of DNA into an organism that will allow it to exhibit new traits is called transformation.
In molecular biology, transformation refers to the process by which foreign DNA is introduced into a cell, leading to the permanent alteration of the cell's genetic makeup. This is usually achieved by using plasmids, which are small, circular pieces of DNA that can be easily manipulated in the laboratory and then introduced into the target organism.
Once inside the organism, the plasmid can integrate into the host's genome, allowing it to express new traits or characteristics that were not present before.
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which two nerves are involved in the pupillary reaction?
His oculomotor nerve and nucleus, as well as the optic nerve, are all parts of the binocular vision reflex circuit.
The pupillary response is a type of cranial nerve?What role does CN III play? Its negative action of the pupil on a given side is controlled by one of the two third cranial nerves on that side (ipsilateral). Constriction is the cholinergic response of the pupil, or "return to normal." Additionally, the third cranial nerve regulates eye muscle movement.
What 2 types of conjunctival reflexes are there?Regardless among which eye is stimulated to light, the left pupil will respond to it with a left pupillary reflex. When light is flashed into the left, right, or both eyes, the right pupil will react. This is referred to as the right pupillary reflex.
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Blood flow through a capillary is controlled by a precapillary sphincter, which opens or closes due to the requirements of the cells the capillary supplies.
True or False
The given statement that "Blood flow through a capillary is controlled by a precapillary sphincter, which opens or closes due to the requirements of the cells the capillary supplies." is true because it regulates the flow of blood according to the body's needs.
Blood primarily is able to move through the body with the help of the rhythmic movement of the smooth muscle present in the vessel wall and also by the action of the skeletal muscle according to the body movements. Blood is prevented from flowing in a backward direction in the veins by the one-way valves.
Blood flow through these capillary beds is basically controlled by precapillary sphincters to increase as well as decrease the flow which depends on the body’s needs and is gets directed by nerve and hormone signals.
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Each statement describes a transformation of the graph of f(x)=x .
Which statement correctly describes the graph of g(x)= f(x-11)
Each statement describes a transformation of the graph of f(x)=x. It is the graph of f(x) translated 11 units up. Therefore, the correct option is option D.
What is graph?Graphs may be found in many different situations. They might be lurking beneath our rugs or near our calculators. Perhaps not beneath our rugs, but you may find one within the newspaper. They might even be manufactured by a company. Only one minute more! What precisely is a graph?
Graphs provide information in the format of a mental picture or picture. This information is known as 'data.' When you insert data into a picture, it might seem thin or fat, brief or lengthy. Each sentence depicts the transformation of the f(x)=x graph. This is the graph of f(x) shifted up 11 units.
Therefore, the correct option is option D.
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What is the ICD-10 code for cystitis?
Answer:
N30 .90
Explanation:
ICD-10 code N30. 90 for Cystitis, unspecified without hematuria is a medical classification as listed by WHO under the range - Diseases of the genitourinary system .
why is cell division important for unicellular organisms