The activation and T cells by Helper T cells generally leads to clonal selection

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The activation and T cells by Helper T cells generally leads to clonal selection and production of memory cells, antibody production and activated cytotoxic T cells. both a and b would occur neither a or b would occur One human ovarian hormone in blood that reaches its peak only after ovulation is progesterone. LH. FSH. Estradiol. The primary ion responsible for enabling a myosin head to bind to an actin-binding site is Na CI Mg^2+. Ca^2+. Chemical messages like hormones, received at the cell surface can trigger a signal transduction cascade I sing signal transduction pathways enables cells to use small amounts of a particular chemical message to induce large cellular responses. amplify cellular processes internally. react differently to the same chemical messenger, only a and c would apply a, b and c would apply Autoimmune diseases result from a breakdown in the body's ability to produce memory cells. distinguish 'self from 'nonself.' distinguish between harmless and harmful viruses. produce interferons. Oxytocin is produced by the is stored and released by the and affects uterine contraction during labor. hypothalamus, posterior pituitary anterior pituitary, posterior pituitary hypothalamus, anterior pituitary. posterior pituitary. anterior pituitary Receptors on cells of the immune system and antibodies recognize specific binding sites on antigens called epitopes MHC Class I, phosphorylates, ATP syntheses the degree to which a skeletal muscle may contract is dependent upon the number and size of motor end units utilized per contraction. The number of actin filaments utilized per muscle fiber. Increase in the number of muscle fibers recruited. Both a and c could intensity muscle contractions. A cell/s below that would be involved in an initial innate cellular defense would be helper T cells. Europhiles. Macrophages both b and c both a and b

Explanation / Answer

Q 30. The correct answer is option B

The activation of B cells and T cells by T-helper cells generally leads to antibody production and activation of cytotoxic T cells.

I am sorry, company policy do not allow us to answer more than one question at a time. Therefore Questions 31 to 38 can not be answered.

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