The correct order of levels of organization in both plants and animals is as follows: cells, tissues, organs, organ systems, and organisms.
At the cell level, basic structural and functional units exist. These cells form tissues, which are groups of similar cells with a shared function. Multiple tissue types come together to create organs, each serving a specific purpose.
Organs collaborate within organ systems, where groups of organs work together to perform complex functions. Finally, the culmination of these levels of organization results in the complete living entity, the organism. This hierarchical organization enables specialization and efficient functioning within the biological systems.
So, the order is: cells → tissues → organs → organ systems → organisms.
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Answer:
The highest level of organization for living things is the biosphere; it encompasses all other levels. The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
Explanation:
Answer:
a. Protein is a major component of body structures.
Explanation:
Proteins are large, complex molecules made up of amino acids. They play a crucial role in the structure and function of our bodies. Here's why option a is the correct answer:
a. Protein is a major component of body structures: Proteins are the building blocks of tissues in our body, such as muscles, bones, skin, and organs. They provide structural support and help maintain the integrity of our body.
b. Supplies 9kcal per gram: This statement is incorrect. Protein supplies 4 calories per gram, not 9. It is carbohydrates and fats that provide 9 calories per gram.
c. Functions as a solvent: This statement is incorrect. Proteins do not function as solvents. They are involved in various functions such as enzyme catalysis, transport of molecules, immune response, and cell signaling, but not as solvents.
d. Is the body's main source of fuel during physical activity: This statement is also incorrect. While protein can be used as an energy source, it is not the body's main source of fuel during physical activity. Carbohydrates and fats are the primary sources of energy during physical activity.
In summary, protein is a major component of body structures and plays a vital role in maintaining the structure and function of our body.
True
False
Answer:
FALSE
Explanation:
Endomorph: It is the biotype with lower metabolism rate, which causes greater tendency to accumulate body fat. Greater difficulty in achieving toning, making the muscles more flabby. But that does not alter the size of the brain of the individual.
Traditionally, people with this biotype have greater difficulty in maintaining body weight, with a controlled diet, as well as physical exercise, aiming to reduce or maintain body weight.
B) some organisms were more likely to reproduce
C) not all organisms had the same natural life span
D) not all organisms were equally suited to gathering food
Answer:
b
Explanation:
B: tissue culture.
C: bacterial plasmids.
D: in vitro fertilization.
Answer:
The correct answer would be C: bacterial plasmids.
In plants, genetic transformation is usually achieved with the help of bacterial plasmid, especially Ti plasmid.
Ti plasmid is a tumor-inducing plasmid generally present in Agrobacterium tumifaciens. This bacteria has a natural ability to infect plant cells and caused tumors or crown gall disease in them. It is also known as natural genetic engineering of plants.
The modified or non-virulent Ti plasmid is used to transfer the gene of interest in the plants.
C. bacterial plasmids.
WHO in 1996 stated that the emergence of various types of new chemicals, both those contained in GMO organisms and their products, could potentially cause new diseases or even be a triggering factor for other diseases. For example, aad genes contained in transgenic cotton can move to the bacteria that causes gonorrhea (GO), Neisseria gonorrhoeae.
So, plasmids are bacterial DNA that is separate from the bacterial chromosomes. Plasmids can replicate themselves. Plasmids also contain various genes. The type, number of types, and number of each type (copy) of plasmids vary between cells. Even between cells in one bacterial species.
Plasmids usually contain between 5 and 100 genes that are not needed for bacterial survival. Genes for normal growth, metabolism, and cell structure are on the main bacterial chromosome. As long as the bacteria are developing in a low-pressure environment, removing all plasmids will not affect the ability of the bacteria to survive.
The function of plasmids is as a carrier of non-essential properties for bacterial growth. Essential here means having a direct role in metabolism and all biological activities that support bacterial growth.
Generally, plasmids have genes that are resistant to antibiotics. Antibiotics themselves, as you know, do not always exist in the environment, so the existence of these genes is not essential.
Plasmid function is also a determinant of nomenclature or naming of plasmids.
Ti plasmid, for example, which is named according to the ability of the plasmid to induce tumors in plants, forms a crown gal while Pym is the gene responsible for the process of forming nodules of Rhizobium bacterial species in legumes.
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Details
Class: high school
Subject: Biology
Keywords: plants, bacterial, GMO