46. Molecules, which can cause allergies, can be carried on A. viruses B. bacter
ID: 267317 • Letter: 4
Question
46. Molecules, which can cause allergies, can be carried on A. viruses B. bacteria 47. A protein molecule which attaches to a particular kind of antigen is a/an 48. The gland often referred to as the "master gland" is the A. adrenal B. testes or ovaries 49. Chemicals that control body processes are referred to as A. enzymes B. acids 50. The greatest and most dramatic changes in hormone production occurs during C. protozoa D. pollen A. antibody B. B cell C. helper T cell D. any white blood cell C. pancreas D. pituitary gland C. hormones D. control fluids E. all are correct A. childhood B. adolescence C. adulthood D. old age 51. The female sex hormones are A. estrogen and androgen C. androgen and cortisol D. cortisol and progesterone B. estrogen and progesterone 52. The fight or flight hormone is A. testosterone B. growth hormone C. adrenaline D. thyroxin 3. The male sex hormone is A. testosterone B. progesterone C. androgen D. steroids 54. Reproduction is necessary for the survival of A. individuals B. species C. populations D. communities 55. In what ways are human sperm and human eggs similar? A. They are approximately the same size. B. About the same number of both are produced. C. They are both motile. D. They have the same number of chromosomes. E. all choices are correct. 56. A change in the nucleus that normally occurs in sexual reproduction results in gametes havingthe number of chromosomes of the parent cells. A. one-fourth B. one-half C. exactly D. double 57. The union of sperm and egg forms a A. gamete B. fertile egg C. zygote D. embryo During the formation of the blastula A. a zygote undergoes mitosis and stem cells form B. different species arise from similar eggs C. the placenta, embryo and amniotic sack form D. sperm and eggs are produced 58. 59. After six or seven days from fertilization, the blastocyst A. implants in the uterus B. implants in the ovary C. travels down the fallopian tube D. becomes an embryo The structure which contains fluid surrounding the developing embryo and provides protection is called A. the amniotic sac B. the uterus C. the cervix D. the follicle 50.Explanation / Answer
46. The answer is D. Pollen
These allery is called pollen allergy. The pollen deposits and constutients of the pollen may cause this allergies.
47. The answer is A. Antibody
The protein molecule which binds to antigen is called as antibodies. They binds to antigen at their Fab site.
48. The answer is D. Pituitary gland
As this controls the secretion of all other glands, it is reffered as master gland. Whic is in pea in size.
49. The answer is C. Hormones
Hormones are the chemical messangers which are prodcued by glands in to blood, it travels too target organ and starts working there.
50. The answer is B. Adolescence
51. The answer is B. Estrogen and progesterone.
These two are the female sex hormones which plays a crucial role in female sex organs development and development of secondary sexual characters.
According to chegg guidelines we have to answer one question at a time.So, post the rest as seperate questions then I can help you.
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.