Biology, 12.10.2019 01:00 nanakwameyeb
Explain how the cell theory was reached by a collaboration of experiments and ideas from numerous scientists
Answers: 2
Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Biology, 22.06.2019 11:00
Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens
Answers: 1
Biology, 22.06.2019 17:30
Asample of soil from a c horizon is light brown in color and has a high content of a mineral called feldspar. which of the following statements is most likely true
Answers: 2
Explain how the cell theory was reached by a collaboration of experiments and ideas from numerous sc...
History, 26.03.2020 21:35
Mathematics, 26.03.2020 21:35
Social Studies, 26.03.2020 21:36
English, 26.03.2020 21:36
Geography, 26.03.2020 21:36
Mathematics, 26.03.2020 21:36
English, 26.03.2020 21:36
Physics, 26.03.2020 21:36