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What is phylum zoomastigina?
* Called Zooflagellates because have one or more whiplike flagella to move * Flagella made of bundles of microtubules * May be freshwater or marine * Some are parasites such as Trypanosoma that destroy red blood cells & causes fatal African sleeping sickness * Trichonympha lives symbiotically inside termites & digests cellulose
Do all bacteria have flagellum?
No. Only some bacteria have a flagellum.
Determine how some viruses might be helpful?
they can be made into vaccines against themselves. Additionally, virsuses that attack bacteria, called bacteriophages, may someday be used to treat bacteria infections. There has also be research into using viruses to kill harmful insects.
Is there a life that doesn't need oxygen?
Yes. There are organisms called anaerobic bacteria which do not need oxygen. To some organisms, called obligate anaerobes, oxygen is actually toxic. The first living things on Earth were obligate anaerobes.
Are bacteria autotrophs or heterotrophs?
Both types of bacteria exist. Some are autotrophic while others are heterotrophic. Most autotrophic bacteria can synthesize their food from substances like hydrogen sulphide. This process is called chemosynthesis and involves the use of chemical substances for the production of energy. Heterotrophic bacteria, in contrast, cannot synthesize their own energy and must consume organic matter for energy. These include decomposing bacteria, or other groups of bacteria that may be symbiotic of parasitic in nature.
What is a whiplike appendage?
A whiplike appendage is a long, slender extension resembling a whip found on certain organisms, such as flagellated bacteria or some protozoa. It is used for propulsion or movement through a fluid medium.
Do bacterias have whiplike tails?
Some bacteria have a tail called a flagellum, but many do not.
What is a tubular appendage found on some bacteria that allows transfer of DNA between bacterial cells?
A tubular appendage found on some bacteria that allows transfer of DNA between bacterial cells is called a pilus. Pili are composed of protein subunits and serve as a bridge for the transfer of genetic material during a process called conjugation. This enables bacteria to exchange DNA and acquire new genetic traits.
Is pilus a virus?
No, a pilus is not a virus. A pilus is a hair-like appendage found on the surface of some bacteria that is used for processes like attachment and conjugation. Viruses are infectious particles that can infect living organisms and replicate within host cells.
A long thin whiplike structures with a core of microtubules that enable some cells to move is known as?
The structure is known as a flagellum. Flagella help cells such as sperm cells or certain types of bacteria to move by rotating in a whip-like manner.
What is a word for bacteria?
Bacteria, by definition, is single-celled. Some bacteria, however, contains organelles and some doesn't. Bacteria without organelles is called prokaryotic, whereas bacteria with organelles is eukaryotic.
Do Bacteria breath oxygen?
Bacteria do not breathe in the sense that we do, but many do require oxygen. These are called aerobic bacteria. Some bacteria will use oxygen if it is present, but can function without it. These are called facultative anaerobes. Still other bacteria will die if exposed to oxygen. These are called obligate anaerobes.
What is the process in which some white cells destroy bacteria?
It is called phagocytosis. Putting it simply, these white cells "eat" the bacteria.
What is the flagellum function?
The flagellum is a whip-like appendage that helps cells, such as bacteria and sperm cells, move. It propels the cell through fluid environments by rotating and generating propulsion force. Additionally, it can also be used for sensory functions in some organisms.
Which best describes a pilus?
A tube that extends from a bacterium.
What is the process called in which organisms are responsible of producing nitrogen compounds?
It is called Nitrification. Some bacteria and lightning does that
What cover the outside of all prokaryotes?
Along the surface of some bacteria are structures called pili that help bacteria adhere to surfaces
