Biology, 11.05.2021 20:50 zeinabelsiblini
In which of the following situations will helper T cells be activated?
when an antigen is displayed by a macrophage that engulfed a pathogen
when a cytotoxic T cell releases cytokines
when cytotoxic T cells come in contact with a tumor cell
when B cells respond to T-independent antigens
Answers: 3
Biology, 21.06.2019 21:30
Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?
Answers: 1
Biology, 22.06.2019 19:40
1. mendel observed that pea plants had traits, such as color, that were either “one or the other,” never something in between. discuss the correlation between mendel’s factors, what they might be, and why pea plant traits come in one form or another—e.g., gray or dark red—rather than blended.
Answers: 1
Biology, 22.06.2019 21:00
Me i need this asap during photosynthesis, the following reaction takes place: carbon dioxide + water + light energy → sugar + oxygen during cellular respiration, the following reaction takes place: sugar + oxygen → carbon dioxide + water + chemical energy given this information, how are photosynthesis and cellular respiration related? question 2 options: the products of photosynthesis are the reactants of cellular respiration. photosynthesis and cellular respiration both start with the same materials. photosynthesis and cellular respiration both produce the same materials. the same type of energy is found in both photosynthesis and cellular respiration.
Answers: 1
In which of the following situations will helper T cells be activated?
when an antigen is displayed...
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