When are we first exposed to hormones? A. in the womb B. during infancy C. during puberty

Q: Describe the physiological consequences of imbalances of insulin, glucagon, hGH, ADH, epinephrine,…

A: Hormones are chemical messengers that are emitted directly into the blood, which conveys them to…

Q: What does folate deficiency in males cause?    A. Blindness   B. High sperm production…

A: The question is asking about the effects of folate deficiency in males. Folate, also known as…

Q: Which form of reproduction can result from damage to the original animal? a. asexual b.…

A: Reproduction (or multiplication or rearing) is the natural cycle by which new individual creatures –…

Q: Fluctuations in body weight are a result of? A. Genetics B. Age C. Changes in sleep patterns D.…

A: Bodyweight is determined by several factors such as the family history that is genetics also depends…

Q: What is a potential carcinogen? a. any substance that damages DNA b. any pollutant c. any toxic…

A: A carcinogen is an agent that has the ability to cause cancer. It can be a physical, chemical, or a…

Q: Explain why hormones are only able to affect certain cells and not other cells.

A: Cell- The cell is covered by a membrane from the outside called the cell membrane and it contains…

Q: Which of these is or evidence  that catecans ( whales, dolphins and porposes ) are mammals? a.…

A: Taxonomy (taxis- arrangement, nomia- method) is the branch of biology that deals with the…

Q: The process forming the neural tube and plate via the intercalation of cells along the…

A: The fusion and fertilization of parental sex gametes give rise to a zygote. A zygote is the first…

Q: A high concentration of which protein stimulates the development of anterior structures? a. Dorsal…

A: Dorsal protein concentration differentiates dorsal and ventral axis.

Q: What's the function of the hormone thymosin?  A. Stimulate the development of mammary glands  B.…

A: Introduction: The central lymphoid organ is the thymus gland. Immunologically competent but…

Q: Cell signals with short effects ONLY on the cell which produced the signal in the first place are?…

A: In Juxtacrine signaling, the signaling molecules act on the receptor proteins of adjacent responding…

Q: How is colostrum most important to a newborn?a. It helps boost the newborn’s immune system.b. It…

A: Immune system is a complex organization of cells, tissues, and organs. The immune system important…

Q: Predict the effects of hypo or hypersecretion of a hormone and evaluate the significance of the…

A: Hormones are chemical substances that can modulate the physiological process of the body.…

Q: Based on today’s science and medicine, when does the age of viability begin? a. between 8 and 12…

A: The viability of a fetus indicates that the fetus has a survival chance. As soon as the fetus…

Q: What is the function of glucocorticoids? a. maintain Na+ levels b. develop the circadian rhythm c.…

A: Hormones are chemical signalling molecules that are released from the endocrine glands. They…

Q: Aside from the nervous system, which other organ system develops out of the ectoderm?a. digestiveb.…

A: The organ systems and body tissues in an organism's body develop from three germ layers; these…

Q: Choose the best of the following Which process is responsible for the shape and form of the body? a.…

A: The cell is the basic structural and functional unit of our body. It carries out many functions in…

Q: Which is NOT a characteristic of a low-birthweight infant?   a. A low-birthweight baby weighs less…

A: Conception is the beginning of all human existence. A fertile woman will generate an egg every…

Q: Which hormone causes Leydig cells to make testosterone? a. FSH b. LH c. inhibin d. estrogen

A: Hormones are the non-nutrient chemical compounds that are present in the ductless glands. The…

Q: A scientist hypothesizes that the pancreas’s hormone production is controlled by neural stimuli.…

A: Insulin is the hormone made in the pancreas, the gland situated behind the stomach. It helps the…

Q: Why is brown fat important?a. It is the newborn’s primary source of insulation.b. It can be broken…

A: Brown fat also called as good fat is type of fat in body. It has many small lipid droplets, and high…

Q: How does folate deficiency affect fetal development?    A. It does not affect fetal…

A: The objective of the question is to understand the impact of folate deficiency on fetal development.

Q: Which statement regarding the differences between frogs and mammals is TRUE when comparing model…

A: Eggs are typically spherical or ovoid with a diameter of about 0.1 mm in humans and 1 to 2 mm in…

Q: Which statement is true regarding iron in pregnancy?   a. Transferrin levels decrease in pregnancy.…

A: Pregnancy is an exciting period in a woman's life because she brings into the world a new human…

Q: What is the average age in the United States that menarche typically begins? a. 10 c. 13 b. 12 d. 14

A: Menarche is one of the most significant periods in women's life. It is the beginning of menstrual…

Q: When a woman breastfeeds, milk letdown can occur in the breast thatis not being suckled. Explain how…

A: Lactation refers to the process by which there is synthesis of milk by the mammary glands of a…

Q: Which tissue type is formed from mesoderm? a. epidermis (outer layer) of skin b. nervous tissue c.…

A: Introduction  The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: This structure is the site of fertilization? a.E b.C c.A dD e.B

A: The reproductive system in humans is one of the 11 vital body organ systems that is concerned with…

Q: What were the earlier sources of insulin? A.Cattle and pig B.camel and pig C. cattle and dog     D.…

A: Correct answer is option (A)Cattle and pig Which was the earlier source of insulin.

Q: The gametes in the image below could have formed from which parent?   A. Male   B. Female   C. Male…

A: Gametes are formed by reduction division in germlime cells.

Q: Which hormone stimulates the development of the mammary glands and secretion of milk?  A. Prolactin…

A: The mammary gland can be outlined as the gland that is located in the breast of females and is…

Q: Matching Match each lettered description with the most closely related term. a. blood disorders 19…

A: Blood disorders are many which are related to the abnormal blood cell count or an abnormality in the…

Q: Which of these processes is MOST directly involved in the resorption of a tadpole’s tail during…

A: The process of resorption of tale in tadpoles is one of the most physiologically notable processes…

Q: Cells begin to change their shape and function as the embryo develops in the uterus; what is the…

A: In accordance with the widely accepted cell theory, the body of each and every organism is made up…

Q: What happens to the urine excreted by the fetus when the kidneys begin to function?a. The umbilical…

A: The single-celled zygote, which is formed after the fusion of haploid male and female gamete during…

Q: what is the key aspect of development? a. growth b. lifespan approach c. progess d. evolution

A: Development is defined as the process of becoming bigger, stronger, better, etc. Development play…

Q: In a essay what is the function of fsh and Lh.

A: The female reproductive organ consists of the vagina, ovaries, uterus. There are both internal and…

Q: Sometimes cattle or even human beings give birth to their young ones that are having extremely…

A: Genetics is the branch of biology which deals with the study of genes, heredity and variation in…