Science | Senioritis

Mohamed Abbas
June 21, 2023
Genetics

Chromosome Structure and Its Role in Gene Expression and Regulation

chromosome structure Structures that contain DNA and allow genes to be passed from parent to offspring. Chromosomes are the structures inside the nucleus of a cell that...

Mohamed Abbas
June 21, 2023
Marine Biology

Exploring the Diversity, Importance, and Vulnerability of Phylum Cnidaria in Aquatic Ecosystems

Phylum Cnidaria – Jellyfish, anemones, corals, hydras, etc.- immobilize prey using nematocysts (stinging cells along tentacles)- lifecycle: 1) sessile stage (polyp stage) w/ tentacles; 2) medusa stage...

Mohamed Abbas
June 21, 2023
Marine Biology

Discover the Incredible World of Echinoderms: From Sea Stars to Sea Urchins, Learn Their Characteristics and Ecological Roles

Phylum Echinodermata – sea starts, sea urchins (Test – internal shell), sand dollars- Asteroidea have plump arms while Ophiuroidea have long thin arms.- radial symmetry- many have...

Mohamed Abbas
June 21, 2023
Marine Biology

Unlocking the Hidden Potential: An Overview of Phylum Porifera – The Aquatic Invertebrates Lacking Organs and Tissue Differentiation

Phylum Porifera Sponges- filter feeders- ostia: small pores that pull in water- choanocytes: cells within ostia that pick up planktonic food- osculum: opening at top where water...

Mohamed Abbas
June 21, 2023
Marine Biology

Exploring the Wonders of Phylum Ctenophora: Anatomy, Diet, Reproduction, Bioluminescence and Ecosystem Impact

Phylum Ctenophora – comb jellies – different from true jellies- “combs” – rows of cilia- move through pulsing cilia Phylum Ctenophora refers to a group of marine...

Mohamed Abbas
June 21, 2023
Marine Biology

Exploring the Diversity and Importance of Arthropods: From Insects to Crustaceans.

Phylum Arthropoda – Subphyla Crustacea (The bodies of amphipods are flattened sideways and have highly arched backs, while isopods are dorsoventrally flattened ventrally and are bigger in...

Mohamed Abbas
June 21, 2023
Biomechanics

Mastering the Forward Bend: Normal Ranges of Lumbar Flexion and Hip Flexion for Safe and Effective Performance

typical range of motion of lumbar and hip flexion during forward bending from standing 45 degrees of lumbar flexion and 70 degrees of hip flexion Lumbar flexibility...

Mohamed Abbas
June 21, 2023
Biomechanics

Proper Technique for Returning from a Forward Bend to Avoid Injury: A Three-Phase Guide

three phases of returning from a forward bend 1. Initially: trunk extension (pelvis on femurs); During strong activation: hip extensors (glut. max & hamstrings) 2. More Trunk...