The xylem in plants are responsible for : (1) transport of water (2) transport of food (3) transport of amino acids (4) transport of oxygen

The xylem in plants are responsible for : (1) transport of water (2) transport of food (3) transport of amino acids (4) transport of oxygen
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transport of water
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The xylem in plants are responsible for (i) transport of water (ii) transport of food (iii) transport of amino acids (iv) transport of oxygen -Biology

Description : The xylem in plants are responsible for (i) transport of water (ii) transport of food (iii) transport of amino acids (iv) transport of oxygen -Biology

Last Answer : The xylem in the plants is responsible for - i) transport of water. The Xylem vessel is a transport tissue present in vascular plants. The main function of xylem is to transport water from the roots to the shoots and leaves, but it also transports nutrient from one place to another.

The xylem in plants are responsible for (1) transport of water (2) transport of food (3) transport of amino acids (4) transport of oxygen

Description : The xylem in plants are responsible for (1) transport of water (2) transport of food (3) transport of amino acids (4) transport of oxygen

Last Answer : (1) transport of water Explanation: Xylem is one of the two types of transport tissue in vascular plants, phloem being the other. The basic function of xylem is to transport water from roots to shoot ... sugars from the leaves to the rest of the plant), xylem is found in all vascular plants.

Which of the following is responsible for transport of food and other substances in plants? (1) Xylem (2) Phloem (3) Chloroplast (4) None these

Description : Which of the following is responsible for transport of food and other substances in plants? (1) Xylem (2) Phloem (3) Chloroplast (4) None these

Last Answer : (2) Phloem Explanation: The transport of water, nutrients and other substances from one part of a plant to another is called translocation. While, phloem transports synthesized food from the ... the plant body; water and minerals are transported from the roots upwards through the xylem tubes.

Which of the following is responsible for transport of food and other substances in plants? (1) Xylem (2) Phloem (3) Chloroplast (4) None of these

Description : Which of the following is responsible for transport of food and other substances in plants? (1) Xylem (2) Phloem (3) Chloroplast (4) None of these

Last Answer : (2) Phloem Explanation: The transport of water, nutrients and other substances from one part of a plant to another is called translocation. While, phloem transports synthesized food from the ... the plant body; water and minerals are transported from the roots upwards through the xylem tubes.

Which of the following is responsible for transport of food and other substances in plants ? (1) Xylem (2) Phloem (3) Chloroplast (4) None of these

Description : Which of the following is responsible for transport of food and other substances in plants ? (1) Xylem (2) Phloem (3) Chloroplast (4) None of these

Last Answer : Phloem

The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem

Description : The tissue that is involved in the transport of food material in plants is called: (a) parenchyma (b) phloem (c) sclerenchyma (d) xylem

Last Answer : Ans:(b)

Name the element(s) of xylem which (i) help in transport of water and minerals, (ii) stores food, and (iii) provides mechanical support -Biology 9th

Description : Name the element(s) of xylem which (i) help in transport of water and minerals, (ii) stores food, and (iii) provides mechanical support -Biology 9th

Last Answer : answer:

Which tissue is responsible for the passage of water in plants? (a) Sclerenchyma (b) Xylem (c) Phloem (d) Collenchynatous cells

Description : Which tissue is responsible for the passage of water in plants? (a) Sclerenchyma (b) Xylem (c) Phloem (d) Collenchynatous cells

Last Answer : Ans:(b)

Which is correct about transport of conduction of substances? (a) Organic food moves up through phloem (b) Organic food moves up through xylem (c) Inorganic food moves upwardly and downwardly through xylem (d) Organic food moves upwardly and downwardly through phloem

Description : Which is correct about transport of conduction of substances? (a) Organic food moves up through phloem (b) Organic food moves up through xylem (c) Inorganic food moves upwardly and downwardly through xylem (d) Organic food moves upwardly and downwardly through phloem

Last Answer : (d) Organic food moves upwardly and downwardly through phloem

The third active process for amino acids transport involves (A) Acidic amino acids (B) Basic amino acids (C) Neutral amino acids (D) Sulphur containing amino acids

Description : The third active process for amino acids transport involves (A) Acidic amino acids (B) Basic amino acids (C) Neutral amino acids (D) Sulphur containing amino acids

Last Answer : Answer : C

The transport of amino acids regulated by active processes of different numbers: (A) 1 (B) 2 (C) 3 (D) 4

Description : The transport of amino acids regulated by active processes of different numbers: (A) 1 (B) 2 (C) 3 (D) 4

Last Answer : Answer : C

There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s) is/are true concerning energy converting transport? a. The site of energy conversion and transport in the plasma membrane involves the phospholipid component b. The Na+-K++-ATPase derives energy from hydrolysis of extracellular ATP c. In some systems, energy inherent in the transmembrane ion gradient can be used to drive transport of a second species d. Examples of species transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose

Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose

The role of transfer RNS (IRNA) is to (a) Transfer mRNA from the nucleus to the cytoplasm (b) Carry amino acids from the cytoplasm to the nucleus (c) Carry the newly synthesised protein to its site of function in the cell (d) Transport amino acids to ribosomes

Description : The role of transfer RNS (IRNA) is to (a) Transfer mRNA from the nucleus to the cytoplasm (b) Carry amino acids from the cytoplasm to the nucleus (c) Carry the newly synthesised protein to its site of function in the cell (d) Transport amino acids to ribosomes

Last Answer : Ans:(d)

All the following statements about recognition of a codon on mRNA by an anticodon on tRNA are correct except (A) The recognition of the third base of the codon is not very precise (B) Imprecise recognition of the third base results in wobble (C) Wobble is partly responsible for the degeneracy of the genetic code (D) Wobble results in incorporation of incorrect amino acids in the protein

Description : All the following statements about recognition of a codon on mRNA by an anticodon on tRNA are correct except (A) The recognition of the third base of the codon is not very precise (B) ... degeneracy of the genetic code (D) Wobble results in incorporation of incorrect amino acids in the protein

Last Answer : Answer : D

how does carbon, hydrogen, and oxygen from sugar combine with other elements to make amino acids

Description : how does carbon, hydrogen, and oxygen from sugar combine with other elements to make amino acids

Last Answer : I would suggest that you read your text book as this is not a question that can be answered in a line or 2 or you can read here: http://www.chemistryland.com/ElementarySchool/BuildingBlocks/BuildingOrganic.htm

For the synthesis of amino acids cysteine, cystine and methionine the element required is a. Sulphur b. Oxygen c. Nitrogen d. None of these

Description : For the synthesis of amino acids cysteine, cystine and methionine the element required is a. Sulphur b. Oxygen c. Nitrogen d. None of these

Last Answer : Ans: D

The function of Haemoglobin is to : (1) provide amino acids (2) carry oxygen (3) provide enzymes (4) help in excretion

Description : The function of Haemoglobin is to : (1) provide amino acids (2) carry oxygen (3) provide enzymes (4) help in excretion

Last Answer : (2) carry oxygen Explanation: Haemoglobin is an ironcontaining protein in red blood cells. Hemoglobin in the blood carries oxygen from the respiratory organs (lungs or gills) to the rest of ... resultant carbon dioxide to bring it back to the respiratory organs to be dispensed from the organism.

In certain amino acids, which elements is found in addition to carbon, hydrogen, nitrogen and oxygen?

Description : In certain amino acids, which elements is found in addition to carbon, hydrogen, nitrogen and oxygen?

Last Answer : Sulphur

The function of Haemoglobin is to : (1) provide amino acids (2) carry oxygen (3) provide enzymes (4) help in excretion

Description : The function of Haemoglobin is to : (1) provide amino acids (2) carry oxygen (3) provide enzymes (4) help in excretion

Last Answer :  carry oxygen

What are the differences between the transport of materials in xylem and phloem ? -Biology

Description : What are the differences between the transport of materials in xylem and phloem ? -Biology

Last Answer : Xylem Phloem 1. Xylem conducts water and dissolved minerals from roots to leaves and other parts. 1. Phloem conducts prepared food material from leaves to other parts of plant in dissolved ... increases the osmotic pressure that moves the material in the phloem to tissues which have less pressure

What substances do plants need so they can make amino acids?

Description : What substances do plants need so they can make amino acids?

Last Answer : Either ammonia or nitrate compounds.

Number of amino acids present in plants, animals and microbial proteins: (A) 20 (B) 80 (C) 150 (D) 200

Description : Number of amino acids present in plants, animals and microbial proteins: (A) 20 (B) 80 (C) 150 (D) 200

Last Answer : Answer : D

Plants synthesise protein from (a) Starch (b) Sugar (c) Amino acids (d) Fatty acids

Description : Plants synthesise protein from (a) Starch (b) Sugar (c) Amino acids (d) Fatty acids

Last Answer : Ans:(c)

Where do plants synthesize protein from? (1) Fatty Acids (2) Sugar (3) Amino Acids (4) Starch

Description : Where do plants synthesize protein from? (1) Fatty Acids (2) Sugar (3) Amino Acids (4) Starch

Last Answer : (3) Amino Acids Explanation: Amino acids are the molecular building blocks of proteins. So proteins are synthesized from them. Essential ami acids are histidine, isoleucine, leucine, methionine, phenyl lanine, threonine, tryptophan, valine, and lysine.

Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+. (b) Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries. (c) About 60% of starch is hydrolysed by salivary amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.

Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na

Which of the following moves/transports water and mineral from the soil to other parts of the plants? (1) Phloem (2) Xylem (3) Chlorophyll (4) Roots

Description : Which of the following moves/transports water and mineral from the soil to other parts of the plants? (1) Phloem (2) Xylem (3) Chlorophyll (4) Roots

Last Answer : (2) Xylem Explanation: Xylem moves water and minerals obtained from the soil. The other, phloem transports products of photosynthesis from the leaves to other parts.

Water in plants is transported by - (1) cambium (2) phloem (3) epidermis (4) xylem

Description : Water in plants is transported by - (1) cambium (2) phloem (3) epidermis (4) xylem

Last Answer : (4) xylem Explanation: Water is transported through the plant in Xylem vessels, these begin in the roots and end in the leaves of the plant, water is translocated through a combination of ... photosynthesis (glucose) through the plant, the tissue responsible for moving the "food" around is Phloem.

Water in plants is trans-ported by (1) cambium (2) phloem (3) epidermis (4) xylem

Description : Water in plants is trans-ported by (1) cambium (2) phloem (3) epidermis (4) xylem

Last Answer : xylem

The xylem vessels of plants are part of which tissue ?

Description : The xylem vessels of plants are part of which tissue ?

Last Answer : The xylem vessels of plants are part of the complex tissue.

Which are the first terrestrial plants to possess xylem and phloem?

Description : Which are the first terrestrial plants to possess xylem and phloem?

Last Answer : Which are the first terrestrial plants to possess xylem and phloem?

What are the xylem and phloem of plants used for?

Description : What are the xylem and phloem of plants used for?

Last Answer : Xylem tissue is used mostly for transporting water from roots to stems and leaves but also transports other dissolved compounds. Phloem is responsible for transporting food produced from photosynthesis from leaves to non-photosynthesizing parts of a plant such as roots and stems.

Green colour of plants is due to the presence of (a) Chlorophyll (b) Sugar (c) Mitochondria (d) Xylem

Description : Green colour of plants is due to the presence of (a) Chlorophyll (b) Sugar (c) Mitochondria (d) Xylem

Last Answer : Ans:(a)

Ascent of sap in plants takes place through – (1) Pith (2) Phloem (3) Cambium (4) Xylem

Description : Ascent of sap in plants takes place through – (1) Pith (2) Phloem (3) Cambium (4) Xylem

Last Answer : (4) Xylem Explanation: The ascent of sap in the xylem tissue of plants is the upward movement of water from the root to the crown. Xylem is a complex tissue consisting of living and ... cells in xylem are typically nonliving and include, in various groups of plants, vessels members and tracheids.

What happens in plants during vascularisation? (a) Differentiation of procambium, formation of primary phloem followed by formation of primary xylem (b) Differentiation of procambium followed by the formation of primary phloem and xylem simultaneously (c) Formation of procambium, primary phloem and xylem simultaneously (d) Differentiation of procambium followed by the formation of secondary xylem

Description : What happens in plants during vascularisation? (a) Differentiation of procambium, formation of primary phloem followed by formation of primary xylem (b) Differentiation of procambium followed ... xylem simultaneously (d) Differentiation of procambium followed by the formation of secondary xylem

Last Answer : (b) Differentiation of procambium followed by the formation of primary phloem and xylem simultaneously

Ascent of sap in plants takes place through (1) Pith (2) Phloem (3) Cambium (4) Xylem

Description : Ascent of sap in plants takes place through (1) Pith (2) Phloem (3) Cambium (4) Xylem

Last Answer : Xylem

What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Description : What tissue present in leaves of Pinus conducts food and water laterally? (a) Transfusion tissue (b) Phloem (c) Xylem (d) Medullary rays

Last Answer : Ans. ((a))

In a plant, the xylem tissue conducts - (1) water (2) food (3) water and food (4) None of these

Description : In a plant, the xylem tissue conducts - (1) water (2) food (3) water and food (4) None of these

Last Answer : (1) water Explanation: Xylem is of a plant's vascular system that conveys water and dissolved minerals from the roots to the rest of the plant and furnishes mechanical support. It ... of specialized water-conducting tissues made up mostly of several types of narrow, elongate, hollow cells.

In a plant, the xylem tissue conducts : (1) water (2) food (3) water and food (4) None of these

Description : In a plant, the xylem tissue conducts : (1) water (2) food (3) water and food (4) None of these 

Last Answer : water

The amino acids abstracted from the liver are not utilized for repair or special synthesis but are broken down to (A) Keto acids (B) Sulphur dioxide (C) Water (D) Ammonia

Description : The amino acids abstracted from the liver are not utilized for repair or special synthesis but are broken down to (A) Keto acids (B) Sulphur dioxide (C) Water (D) Ammonia

Last Answer : Answer : D

From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid

Description : From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid

Last Answer : Answer : A

The catalytic power of enzymes is due to (a) the presence of amino acids in their structures (b) their high molecular weight (c) their ability to lower the activation energy of the reaction (d) their limited solubility in water and other solvents

Description : The catalytic power of enzymes is due to (a) the presence of amino acids in their structures (b) their high molecular weight (c) their ability to lower the activation energy of the reaction (d) their limited solubility in water and other solvents

Last Answer : Ans:(c)

From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask. (a) CH4, H2, NH3 and water vapor at 800°C (b) CH3, H2, NH4 and water vapor at 800°C (c) CH4, H2, NH3 and water vapor at 600°C (d) CH3, H2, NH3 and water vapor at 600°C

Description : From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask. (a) CH4, H2, NH3 and water vapor at 800°C (b) CH3, H2, NH4 and water vapor at 800°C (c) CH4, H2, NH3 and water vapor at 600°C (d) CH3, H2, NH3 and water vapor at 600°C

Last Answer : a) CH4, H2, NH3 and water vapor at 800°C

A person who is on a long hunger strike and is surviving only on water, will have (a) less amino acids in his urine (b) more glucose in his blood(c) less urea in his urine (d) more sodium in his urine.

Description : A person who is on a long hunger strike and is surviving only on water, will have (a) less amino acids in his urine (b) more glucose in his blood (c) less urea in his urine (d) more sodium in his urine.

Last Answer : (c) less urea in his urine

The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma

Description : The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma

Last Answer : (1) Phloem Explanation: In vascular plants, phloem is the living tissue that carries organic nutrients, in particular, sucrose, a sugar, to all parts of the plant where needed. ... mainly with the transport of soluble organic material made during photosynthesis. This is called translocation.

The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma

Description : The food conducting tissue of a plant is (1) Phloem (2) Xylem (3) Parenchyma (4) Collenchyma

Last Answer : Phloem

How is the transport of a sugar/amino acid through a kidney epithelial cell different from the mechanism of glucose transport in a liver cell?

Description : How is the transport of a sugar/amino acid through a kidney epithelial cell different from the mechanism of glucose transport in a liver cell?

Last Answer : Just did a quick google and it looks like it’s active transport in the kidneys and passive transport in the liver. I’m always a little wary of using wikepedia as an expert source, but here’s some details. http://en.wikipedia.org/wiki/Glucose_transporter

Why are two samples of proteins having an identical composition of amino acids still different?

Description : Why are two samples of proteins having an identical composition of amino acids still different?

Last Answer : I would guess that two proteins with the same sequences of amino acids might be folded in different ways giving them different properties.

How do amino acids form themselves into proteins?

Description : How do amino acids form themselves into proteins?

Last Answer : answer:Here is a link that explains a few things. one of the things it states is: To form protein, the amino acids are linked by dehydration synthesis to form peptide bonds. The chain of ... they conduct and experiment where amino acids and proteins are created by mixing gases. I hope it helps.

Name the amino acids in which sulphur is present. -Biology

Description : Name the amino acids in which sulphur is present. -Biology

Last Answer : answer:

What are the essential and non-essential amino acids? -Biology

Description : What are the essential and non-essential amino acids? -Biology

Last Answer : answer: