Cells must reproduce to provide protection for your body.
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Answer:
Adipose tissue
Explanation:
Cartilage is the connective tissue consisting of large round densely packed cells with the nucleus pushed to the side. Other forms of connective tissue include Dense regular and irregular connective tissues, fibrous connective tissues, and loose or areolar connective tissue.
The connective tissue consisting of large round densely packed cells with the nucleus pushed to the side is called cartilage. Cartilage is a type of connective tissue that has a large amount of ground substance matrix and cells called chondrocytes, along with some amount of fibers. Other forms of connective tissue include Dense regular and irregular connective tissues, fibrous connective tissues, loose or areolar connective tissue. Dense connective tissue, including regular and irregular, consists of collagenous fibers packed in different alignments. Fibrous connective tissues contain copious amounts of collagen fibers but few cells or matrix material. Finally, loose or areolar connective tissue is encapsulated in a matrix and is found around blood vessels and most body organs.
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Chloroplasts are present only in plant cells. The chlorophyll found in the chloroplast is responsible for its green pigment and where phtotsynthesis takes place. They are oval in shape with outer and inner membranes. The inner membrane surrounds the stroma and grana.
Answer:
1) organic compounds always contain carbon
Explanation:
organic compounds are molecules that contain carbon atoms bonded to other elements
The correct statement is 'Organic compounds always contain carbon'. Not all carbon-containing compounds are organic, and organic compounds are not exclusive to animal cells nor do they necessarily contain oxygen. Organic compounds can be formed by living organisms, through geological processes, and in the lab.
The true statement about organic compounds is 'Organic compounds always contain carbon'. This is because organic compounds, both natural and synthetic, are characterized primarily by the presence of carbon as the principal element, which is bonded to hydrogen and other carbon atoms. Carbon possesses the unique ability to form up to four covalent bonds with other atoms, resulting in an enormous variety of possible compounds.
It's important to note that not all carbon-containing compounds are considered organic. For instance, carbonates, cyanides, and simple oxides like CO and CO₂ are not classified as organic. Also, contrary to 'Organic compounds can be synthesized only in a laboratory', organic compounds are not only synthesized anthropogenically but are also formed by living organisms and through geological processes. 'Organic compounds are synthesized only by animal cells' and 'Organic compounds always contain oxygen' are, likewise, incorrect, as organic compounds are not exclusive to animal cells and don't necessarily have to contain oxygen.
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B. receptor proteins.
C. antigens.
D. macrophages.
Antibodies are produced when the body is exposed to antigens.
During an initial encounter with a foreign antigen, the body's immune system namely the adaptive arm of the immune system, produces memory cells, a group of special lymphocytes that retain and store memory of the antigen.
On a second encounter with the same kind of antigen, the immune system "remembers" the antigen and mounts a rapid, specific and vigorous immune response against the antigen. This response includes the production of massive amounts of antibodies very specific to the antigen.
The antibodies effectively neutralize the antigen and facilitate its destruction.
Answer:
C. Antigens
Explanation:
Antibodies a protein formed by immune-responsive cells that is specific for a particular antigen and can bind to it to inactivate or destroy it.
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homeostasis
immunity
response to stimuli
reproduction
growth and development
The correct answers are -
b) Homeostasis
c) Immunity
e) reproduction
f) growth and development
Reason -
The endocrine system (produces and secretes hormones) is a vital system as it regulates the homeostasis by regulating the cell activity in the body. The endocrine system releases relevant hormones during specific time period in the blood which are then transported across the blood , this not only maintains the chemical physical balance in our body but also regulate the vital functions of body such as growth, reproduction, and immunity