Antibodies, which stick to the surface of foreign invaders to slow their progress and attract other proteins that destroy them, are produced by

The answer is B cells. They form part of the humoral immune response of the adaptive immune system. When B cells are activated due to the presence of a antigen in the body, the plasma B cell produce antibodies and release them into the circulatory system.

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u