sakshigample2003

1.The _______ cycles of most mammals other than humans do not include _______. Select one: a. uterine; buildup of the endometrium b. uterine; a surge in luteinizing hormone (LH) before ovulation c. ovarian; formation of a corpus luteum d. uterine; menstruation e. reproductive; a distinct period of sexual receptivity 2.Whereas luteinizing hormone (LH) and follicle-stimulating hormone (FSH) are produced by the _______ and act on the _______, estrogen and progesterone are produced by _______ and act on the _______. Select one: a. ovaries; uterus; anterior pituitary; ovaries b. hypothalamus; anterior pituitary; anterior pituitary; ovaries hypothalamus; anterior pituitary; anterior pituitary; ovaries c. uterus; ovaries; ovaries; anterior pituitary d. hypothalamus; anterior pituitary; ovaries; uterus e. anterior pituitary; ovaries; ovaries; uterus 3.Which of the following birth control methods prevents implantation rather than fertilization? Select one: a. Condom b. Birth control pill c. Diaphragm d. Vasectomy e. Intrauterine device (IUD) 4.Immunologists can breed mice that lack _______ in order to compare the immune response of normal mice to those that have no T cells. Select one: a. kidneys b. a thymus c. a liver d. a spleen e. bone marrow 5.A child is born with a genetic disorder that impairs her ability to produce B and T lymphocytes. With this diagnosis, the symptom would you most likely see would be Select one: a. an over-active inflammatory response. b. an inability to release histamine. c. the absence of an adaptive immune response. d. an over-active adaptive immune response. e. the absence of an inflammatory response.

A sperm has ____________ chromosomes.

Select one:

a. 44XY

b. 46

c. 22X or 22Y

d. 22Y only

e. 22XY

The hormone that helps in release of milk is

Select one:

a. oxytocin

b. prolactin

c. estrogen

d. progesterone

e. inhibin

Fertilzation and early embryo divisions take place in

Select one:

a. uterine tube

b. ovaries

c. uterus

d. vagina

e. cervix

The period of gestation that is characterized by rapid fetal growth and fat deposition is the ________ trimester.

Select one:

a. fifth

b. fourth

c. third

d. second

e. first

Implatation is facilitated by enzymes released from

Select one:

a. inner cell mass

b. endometrium

c. follicular cells

d. trophoblast cells

e. placenta

Cleavage divisions refer to

Select one:

a. divisions in the ovary that lead to the formation of secondary oocyte

b. divisions in the testes that lead to the formation of sperm

c. divisions of secondary oocyte to form function ovum

d. divisions of the zygote that lead to the formation of an embryo

1. What is genetic engineering?

To which layer of the uterus does embryo attach?

Select one:

a. perimetrium

b. myometrium

c. endometrium

d. cervix

e. fundus

Umbilical cord has

Select one:

a. two umbilical veins and one umbilical artery

b. two umbilical arteries and one umbilical vein

c. two umbilical arteries and two umbilical veins

d. one umbilical artery and one umbilical vein

Human chorionic gonadotropin (hCG) is released by

Select one:

a. uterine tube

b. trophoblast cells

c. endometrium

d. ovaries

e. vagina

Given f(x)=4x and g(x)=9x^2+9, find

(f o g)(4)=

(g o f)(2)=

(f o f)(1)=

(g o g)(0)=