SEARCH
🇬🇧
MEM
O
RY
.COM
4.37.48
Guest
Log In
Â
Homepage
0
0
0
0
0
Create Course
Courses
Last Played
Dashboard
Notifications
Classrooms
Folders
Exams
Custom Exams
Help
Leaderboard
Shop
Awards
Forum
Friends
Subjects
Dark mode
User ID: 999999
Version: 4.37.48
www.memory.co.uk
You are in browse mode. You must login to use
MEM
O
RY
  Log in to start
Index
 »Â
BIO P1 Words/Phrases
 »Â
Chapter 1
 »Â
Level 1
level: Level 1
Questions and Answers List
level questions: Level 1
Question
Answer
The part of the brain that receives nerve impulses from the semicircular canals is the
cerebellum.
A light stimulus is converted into a nerve impulse in the
retina
A human somatic cell has
44 autosomes and 2 gonosomes.
A person with middle-ear infection is usually advised not to fly in an aeroplane because the
Eustachian tube is unable to equalise the pressure on either side of the tympanic membrane.
The phase in the cell cycle when DNA replication occurs
Interphase
The part of the peripheral nervous system that controls involuntary actions
Autonomic nervous system
A plant hormone that causes leaves to fall off trees in autumn
Abscisic acid
Measurement of the total amount of carbon dioxide emissions of an individual per year
Carbon footprint
The division of the cytoplasm through the constriction of the cell membrane at the end of cell division
Cytokinesis
The structure in the amniotic egg that stores wastes
Allantois
The inner lining of the uterus where implantation of the embryo occurs
Endometrium
Part of the female reproductive system where fertilisation occurs
Fallopian tube
The part of the brain that controls the heart rate
Medulla oblongata
The maintenance of a constant internal environment in the body within certain limits
Homeostasis
The plant growth hormone that promotes seed dormancy
Abscisic acid
A collective name for the membranes that protect the brain
Meninges
A hormone that regulates the salt concentration in human blood
Aldosterone
A layer in the atmosphere that is damaged by chlorofluorocarbons
Ozone
A hormone that stimulates the maturation of sperm
Testosterone
The membranes which protect the central nervous system
Meninges
A plant growth hormone that stimulates seed germination
Gibberellin
The nervous system which consists of cranial and spinal nerves
Peripheral nervous system
A branch of the autonomic nervous system that decreases the heartbeat back to normal
Parasympathetic system
The outermost extra-embryonic membrane surrounding the embryo
Chorion
The hormone that regulates the salt concentration in the human body
Aldosterone
The blood vessel in the umbilical cord that carries blood rich in oxygen and nutrients
Umbilical vein
The hormone inhibited by an increased level of thyroxin
TSH
The period of development of an embryo in the uterus, between fertilisation and birth
Gestation
The structure in the head of a sperm cell that contains enzymes which break down the membrane surrounding the ovum
acrosome
Disease characterised by a lack of insulin production
Diabetes mellitus
The period of development of an embryo in the uterus between fertilisation and birth
Gestation
Tube that connects the pharynx and the middle ear
Eustachian tube
A process by which nutrients become highly concentrated in a body of water, leading to increased growth of organisms such as algae
Eutrophication
A stage in the development of humans in which the embryo consists of a layer of cells surrounding a cavity
Blastocyst
The structure at the tip of a sperm cell containing enzymes and which makes contact with the egg cell during fertilisation
Acrosome
The gland in the male reproductive system of humans that produces an alkaline fluid to counteract the acid environment of the vagina
Prostate
The duct leading from the testis to the urethra in human males
Sperm duct
The process by which the ovum is formed through meiosis in the ovary
Oogenesis
The type of development in birds where the young are incapable of moving around after hatching
Altricial development
The first organisms to occupy an uninhabited area
Pioneer
The fibrous outgrowths of a neuron that transmits nerve impulses to the cell body of the same neuron
Dendrites
A phenomenon where an increase in one hormone inhibits the secretion of another hormone
Negative feedback
A disease in which the hormonal control of blood glucose is defective because of a deficiency of insulin
Diabetes
The physical count of every individual in a population
Census
The maximum number of individuals that can be supported by an environment under prevailing conditions
Carrying capacity
The increase of the internal diameter of blood vessels so that more blood flows through them
Vasodilation
The movement of individuals into a population
Immigration
The heat-regulating centre in the brain
Hypothalamus
The finger-like projections that develop from the outer extraembryonic membrane
Chorionic villi
Division of the cytoplasm during cell division
Cytokinesis
A plant species that does not belong to an area and which outcompetes the indigenous species of that area
Invasive alien
A structure in the female reproductive system where semen is deposited during copulation
Vagina
The permanent, large-scale removal of trees and vegetation from an area
Deforestation
A hormone that stimulates the mammary glands to produce milk
Prolactin