Write about major glands associated with the alimentary canal of man and mention their function

Answers

Answer 1

Answer: The glands which are associated with alimentary canal are
1. Salivary glands: These produce saliva
2. Gastric glands: These secrete gastric juice
3. Intestinal glands: These secrete intestinal juice
4. Liver: It secretes bile
5. Pancreas: It secretes pacreatic juice and hormone

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Which element do proteins, lipids, and carbohydrates have in common?
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A fluid secreted into the small intestine during digestion that contains cholesterol, emulsification agents, and phospholipids is ________.A. bile
B. pancreatic juice
C. intestinal juice
D. gastric juice

Answers

Bile is created by the liver and stored in the gallbladder-- it emulsifies the fatty agents.

When working muscle cells are deprived of oxygen they produce?

Answers

lactic acid

During intense exertion or activity involving the muscles, there arises a need for a sudden short term burst of energy. This need for energy is so demanding that it cannot be satisfied through the normal mechanism whereby energy is supplied through aerobic respiration using oxygen.Therefore the muscle cells must rely on other mechanisms that do not rely on oxygen to fuel muscle contraction and this is where they resort to anaerobic respiration which uses pyruvate to play the role of oxygen as the final electron acceptor. In the process, pyruvate accepts an electron and is reduced to lactic acid in the muscle tissues.

Select all the correct answers.In which three ways can we use biomass as a source of energy?

by extracting hydrogen from it
by converting it into liquid fuels
by making suitable bacteria act on it
by burning it directly
by mixing it with petroleum-based fuels

Answers

Answer:

The correct ways to use biomass as a source of energy are:

By converting it into liquid fuels: Biomass can be processed into liquid biofuels like biodiesel and bioethanol, which can be used as alternatives to fossil fuels.

By burning it directly: Biomass can be burned directly as a source of heat and energy. This is often done in the form of wood, agricultural residues, or dedicated energy crops.

By making suitable bacteria act on it: Biomass can be used to produce biogas through a process called anaerobic digestion, where bacteria break down organic materials to generate methane, a valuable energy source.

Explanation:

3 times the sum of 2 and y?"

Answers

Answer and Explanation:

3(2 + y) is the answer.

The 3 is multiplying the 2 and y inside the parenthesis.

#teamtrees #PAW (Plant and Water)

identify each of the cell structures indicated in figure 7-7 and explain its role in the cell. Be sure to indicate the letter that corresponds with each structure

Answers

A. Nucleus envelope.

Used in regulation of macromolecules like proteins and mRNA but permits water, ions and ATP into the nucleus.

B. Cytoplasm

This is an environment for other organelles and is location for many metabolic processes.

C. Endoplasmic reticulum

Used for transport of materials , proteins and lipid synthesis.

D. Nucleus

Acts as repository for genetic information, control center of the cell.

E. Nucleoplasm

provides environment for nucleotides, enzymes and chromosomes.

F. Mitochondrion

For energy production through use of tricarboxylic acid cycle and electron transport chain among others.

G. Golgi apparatus

Packaging and secretion of materials for various purposes.

H. Secretory vesicles

Transport of materials, enzyme storage and also involved in metabolism.

Yummious letus, a common plant species cannot fight most fungal infections, while plant species Bigous moldkillae makes a protein that kills many fungi.What is one possible way for humans to engineer vulnerable plant species to produce the fungus-killing protein?

a. They can cross Yummious letus with a fungus to stimulate protein synthesis.

b. They can take mutant fungal DNA and insert it into Yummious letus

c. They can add DNA from Bigous moldkillae into the soil around Yummious letus.

d. They can insert the gene for the protein from plant species Bigous moldkillae into a chromosome in Yummious letus.

Answers

Answer:

The correct option is D) They can insert the gene for the protein from plant species Bigous moldkillae into a chromosome in Yummious letus.

Explanation:

Biotechnology can be described as the technology in which the genome of organisms are altered so that organisms with better qualities can be produced. In the scenario discussed in the question, techniques of biotechnology can be used to insert the fungus-killing gene of Bigous moldkillae into the genome of the Yunnious letus. In this way, the Yunnious letus species will become resistant to the fungal infections.

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