What kind of tissue connects muscle to muscle? Tendon, tissue that attaches a muscle to other body parts, usually bones. Tendons are the connective tissues that transmit the mechanical force of muscle contraction to...
What are the functions of the main head and neck muscles? Key Takeaways The masseter elevates the jaw, closing the mouth. The temporalis elevates and retracts the jaw. The lateral pterygoid is the only...
What type of bacteria does pasteurization kill? Diseases prevented by pasteurization can include tuberculosis, brucellosis, diphtheria, scarlet fever, and Q-fever; it also kills the harmful bacteria Salmonella, Listeria, Yersinia, Campylobacter, Staphylococcus aureus, and Escherichia...
What does bacteria do for the environment? Bacteria play important roles in the global ecosystem. The cycling of nutrients such as carbon, nitrogen, and sulfur is completed by their ceaseless labor. Organic carbon, in...
What is a DNA shaped like? Concept 19 The DNA molecule is shaped like a twisted ladder. Phosphates and sugars of adjacent nucleotides link to form a long polymer. X-ray crystallography provided the final...
Why do self transmissible plasmid encode their own Primase? Reason: a plasmid makes its own primase – “promiscuous” plasmids can transfer to broader range of hosts that may have incompatible primase. oriT – usually...
What are the three basic steps for DNA extraction from bacteria? The DNA extraction process frees DNA from the cell and then separates it from cellular fluid and proteins so you are left with...
Are Fimbriae used for attachment? Common pili (almost always called fimbriae) are usually involved in specific adherence (attachment) of procaryotes to surfaces in nature. Which bacterial structure allows for the adherence? Adhesins are cell-surface...
Why don t organisms grow by simply making the cell larger and larger? Instead of dividing, why don’t cells just grow larger and larger? There are two main reasons why cells divide rather than...
What are the monomers of proteins called How many are there? The monomers that make up proteins are called amino acids. There are around twenty different amino acids. The structure of the simplest amino...