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Unit C: Cell Structure and Function
Unit C: Cell Structure and Function

... 4. Prokaryotic cells differ from eukaryotic cells in both structure and function. 5. There are differences/similarities in plant cells and animal cells allowing biological processes to be carried out. 6. The cell membrane is a vital interface between the extra and intracellular environments ...
Energy in the Cell
Energy in the Cell

... • Centromere region also called kinetochore. ...
Slide 1
Slide 1

... In females, eggs are transferred to the cloaca through the Muller’s duct. Inside the Muller’s duct egg white and shell are formed. Wolf’s duct carries only sperms in males. Egg shells of birds are harder than reptiles. Fertilization occurs in Muller’s duct. Excretory substances are transported from ...
Tissues - Anatomy and Physiology
Tissues - Anatomy and Physiology

... has brain damage from a stroke, another had a heart attack that severely damaged his heart muscle, and the third has a severely damaged liver (a gland) from a crushing injury in a car accident. All 3 pts have stabilized and will survive, but only one will have full functional recover through regener ...
respiratory_study guide
respiratory_study guide

... i. Lines chest wall of thoracic cavity b) Visceral pleura i. Covers lungs c) Serous fluid i. Both parietal & visceral pleura are serous membranes ii. Serous fluid prevents friction between the membranes iii. Keep membranes together during breathing (intrapleural pressure) 3) Alveoli & pulmonary capi ...
Mix and Match Human Body Systems
Mix and Match Human Body Systems

... Cell produced when male and female gametes fuse ...
Grade 11 College Biology – Unit 3
Grade 11 College Biology – Unit 3

... (2) dermis and (3) subcutaneous layer. The epidermis is the outermost layer of skin. It consists of epithelial tissue in which the cells are tightly packed together providing a barrier between the inside of the body and the outside world. Below the epidermis lies a layer of connective tissue called ...
Blood Powerpoint Ch 6
Blood Powerpoint Ch 6

... • Prothrombin activator is released at cut or bruise • Calcium helps convert prothrombin to thrombin which cuts two short amino acid chains from two fibrinogen threads. • They join end to end in ropes making a framework clot. ...
Development of the Nervous System and Special Senses
Development of the Nervous System and Special Senses

... • neural plate—ectodermal cells overlaying the notochord become tall columnar, producing a thickened neural plate (in contrast to surrounding ectoderm that produces epidermis of skin). • neural groove—the neural plate is transformed into a neural groove. • neural tube—the dorsal margins of the neura ...
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Connective Tissue

... interconnected through canaliculi ...
Animal Kingdom - Science at NESS
Animal Kingdom - Science at NESS

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anatomy 6: formation of body cavities and diaphragm
anatomy 6: formation of body cavities and diaphragm

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Histology Review Guide
Histology Review Guide

... Cell walls are touching (vary in how tightly they are joined) Apical and basal surfaces Basement membrane Supported by connective tissue Avascular (epithelial tissue depends on diffusion of nutrients from connective tissue below) Innervated Regenerates well Organized by number of layers Simple – one ...
Lab 2: Cells and Tissues Pre Lab 2 Test
Lab 2: Cells and Tissues Pre Lab 2 Test

... blood cells, platelets and other types of cells. • Organs are one or more tissues that aggregate to perform specific functions. So the heart is an organ composed of muscle, connective tissue and nervous tissue, which specializes in pumping blood through your body. • The heart in turn is part of a la ...
Anatomy Powerpoint
Anatomy Powerpoint

... codon then its goes through the elongation phase, this phase is when structures of amino acid linked to tRNA bind to the appropriate codon in mRNA and making the same pairs with the tRNA anticodon. Amino acids are then added individually then a release factor binds to the stop codon stopping the tra ...
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Lecture Outline: ORGANISATION OF THE BODY

... structures. ...
Chapter 27 Introduction to Animals Chapter 27 Section 1
Chapter 27 Introduction to Animals Chapter 27 Section 1

... o Parthenogenesis – new individual develops from an unfertilized egg (bees). Sexual – new individual is formed from the _________________ of male and female sex cells o Testes produce ________________ gametes (sperm). o Ovaries produce ________________ gametes (eggs or ova) o Hermaphrodites – have _ ...
The Respiratory System Functions & Anatomy
The Respiratory System Functions & Anatomy

...  Respiration: the act of breathing  Inspiration: inhalation brought about by a contraction of the diaphragm and an outward rotation of the ribs  Expiration: expulsion of air effected by a relaxation of muscles and a contraction of rib and abdominal muscles ...
Living things
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... through which material or substances are processed to obtain matter and energy for human activities. The respiratory system supplies the oxygen in order for the blood to deliver oxygen to all parts of the body and remove the carbon dioxide. It consists of the nose, trachea, bronchi, and lungs. The c ...
Suprarenal Glands
Suprarenal Glands

... • The suprarenal gland of the fetus is 10-20 times larger than the adult glands relative to the body weight, and are large compared with the kidneys. This is because of the extensive size of the fetal cortex. The medulla remains relatively small until after birth. • The suprarenal glands rapidly be ...
Slide 1
Slide 1

... always have nucleus and other membrane-bound organelles ...
chromosomes
chromosomes

... results in zygote with 2 sets of chromosomes - now diploid (2n).  Most cells in the body produced by ...
video slide - Biology at Mott
video slide - Biology at Mott

... Fertilization is followed by cleavage, a period of rapid cell division without growth Cleavage partitions the cytoplasm of one large cell into many smaller cells called blastomeres The blastula is a ball of cells with a fluid-filled cavity called a blastocoel ...
Tissues
Tissues

... – Gland: one or more cells that make and secrete a particular product – Two major gland types: • Endocrine gland – Ductless – Secretions are hormones • Exocrine gland – Empty through ducts onto body surfaces (skin) or into body cavities – Secretions are sweat and oil ...
25 PowerPoint – Invertebrates
25 PowerPoint – Invertebrates

... Development may be direct, or through incomplete or ...
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Human embryogenesis



Human embryogenesis is the process of cell division and cellular differentiation of the embryo that occurs during the early stages of development. In biological terms, human development entails growth from a one celled zygote to an adult human being. Fertilisation occurs when the sperm cell successfully enters and fuses with an egg cell (ovum). The genetic material of the sperm and egg then combine to form a single cell called a zygote and the germinal stage of prenatal development commences. Embryogenesis covers the first eight weeks of development and at the beginning of the ninth week the embryo is termed a fetus.Human embryology is the study of this development during the first eight weeks after fertilisation. The normal period of gestation (pregnancy) is nine months or 38 weeks.The germinal stage, refers to the time from fertilization, through the development of the early embryo until implantation is completed in the uterus. The germinal stage takes around 10 days.During this stage, the zygote, which is defined as an embryo because it contains a full complement of genetic material, begins to divide, in a process called cleavage. A blastocyst is then formed and implanted in the uterus. Embryogenesis continues with the next stage of gastrulation when the three germ layers of the embryo form in a process called histogenesis, and the processes of neurulation and organogenesis follow. The embryo is referred to as a fetus in the later stages of prenatal development, usually taken to be at the beginning of the ninth week. In comparison to the embryo, the fetus has more recognizable external features, and a more complete set of developing organs. The entire process of embryogenesis involves coordinated spatial and temporal changes in gene expression, cell growth and cellular differentiation. A nearly identical process occurs in other species, especially among chordates.
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