Sperms Study guides, Class notes & Summaries

5236 Biology Praxis Exam Questions With 100% Correct Answers What is Interphase? - answer- mainly growth of a cell occurs in this phase rather than cell division - most cells live here - except cancer What is Mitosis? - answeractive cell division What is the G1 phase (growth phase)? - answer- Occurs within interphase - most of cell's life - more organelles & proteins What is the S phase (synthesis)? - answer-DNA replication of 23 pairs (half from mom & half from dad) - results in 46...

Which maternal age group has increased risk of low birth weight, preterm delivery, and fetal death? a. eighteen years or younger b. between 18 and 25 years c. between 25 and 30 years d. thirty-five years and older - ANSWER-d. thirty-five years and older Jerome and Tyrone are fraternal twins. This means that they developed from a. a single egg that was fertilized by a single sperm. b. a single egg that was fertilized by two different sperms. c. two eggs that were fertilized by a single ...

New York State Real Estate Salesperson key terms exam questions with verified answers 2023

ATE 1211 Final Exam Review - Questions and Answers (Complete Solutions) The P-wave of the ECG represents what cardiac event? atrial depolarization What event is responsible for making first heart sound? Closure of the AV valves During ventricular systole, which event occurs first? AV valve closes The wave of systolic pressure which starts at the heart and spreads throughout the arterial network is called: Pulse The pace-maker of heart that initiates impulses in the atria is: SA Node What are t...

1. A man smokes two packs of cigarettes a day. He wants to know if smoking is contributing to the difficulty he and his wife are having getting pregnant. The nurse's most appropriate response is: a. "Your sperm count seems to be okay in the first semen analysis." b. "Only marijuana cigarettes affect sperm count." c. "Smoking can give you lung cancer, even though it has no effect on sperm." d. "Smoking can reduce the quality of your sperm." answer ANS: D Use of tobacco, alcohol, a...

NCERT class 8 Chapter 10 Exam Questions & Answers 2024/2025 What is the term used for chemical secretions of endocrine glands responsible for changes taking place in the body? - ANSWERSThe chemical substance secreted by the endocrine glands is called Hormones. Hormones are responsible for the changes taking place in the body. Define adolescence. - ANSWERSThe time period which comes between the beginning of adulthood and puberty is called Adolescence. In this time period, the body undergo...

HAN 202- PREGNANCY AND HUMAN DEVELOPMENT EXAM REVIEW QUESTIONS AND ANSWERS. what is pregnancy - -events that occur from fertilization until the infant is born conceptus - -the developing offspring gestation period - -time from last menstrual period until birth (~280 days) embryo - -conceptus from fertilization -> week 8 fetus - -conceptus from week 9 -> through birth from egg to zygote - -1) oocyte viable 12 -> 24 hrs 2) sperm viable 24 -> 48 hrs after ejactulation for fer...

MBLEX Study guide 2024/ 25 Exam Questions and answers, VERIFIED/ In what direction are most swedish massage stokes provided? - Towards the heart How is the technique of kneading performed? - Lifting, grasping, rolling and compressing the skin According to professional code of ethics, dual relationships should be avoided when there is a risk of: - Exploitation and loss of objectivity Under what circumstance would allow a practitioner be allowed to divulge otherwise confidential client in...

1) Within a sperm cell, what is the function of an acrosome? - Answer- Contains enzymes needed to penetrate egg cells 2) How do membrane proteins on both an egg and a sperm cell function to keep fertilization species-specific? - Answer- A fragment from the egg-wall receptor binds to bindin proteins on the sperm only if it is the same species 3) Explain the steps of the acrosomal reaction. - Answer- i. Sperm Contacts jelly layer ii. Reaction begins: Release of digestive enzymes and extens...

Moore: The Developing Human, 8th Edition Test Bank Gametogenesis and Fertilization MULTIPLE CHOICE Directions: Each group of questions below consists of a numbered list of descriptive words or phrases accompanied by a diagram with certain parts indicated by letters or by a list of lettered headings. For each numbered word or phrase, select the lettered part or heading that matches it correctly and then insert the letter in the space to the right of the appropriate number. Sometimes more ...