AND SOLUTIONS 2026
◉ Smooth Endoplasmic Reticulum. Answer: •Free of ribosomes, thus
no protein synthesis
•Makes lipids (steroid hormones for example)
•Involved in some storage
◉ Golgi complex. Answer: •Flat vesicles
•Packages proteins and substances
•Uses secretory granules
•Retrograde transport - receive packages from cell surface
◉ Lysosomes. Answer: •Digestive system of the cell
•Contains enzymes the can breakdown old cell parts, and foreign
substances
•Acidic interior
•Autography-remove call parts
•Heterography- debris phagocytosed into the cell
◉ Peroxisomes. Answer: •Removal of free radical such as (hydrogen
peroxides)
,◉ Mitochondria. Answer: •Can change carbon nutrients into energy
•Site of cellular respiration
•Contain its own DNA (mitochondrial DNA) needed for instructions
for structural parts of mitochondria
•Regulators in apoptosis (programmed cell death)
◉ Cytoplasm. Answer: •Fluid inside the cell and outside of the
nucleus
•Contains water, electrolytes, proteins, fats and carbohydrates
◉ Cytoskeleton. Answer: •Microtubules, microfilaments and other
protein types that give shape and movement to the cell.
•Cilia-microtubules cellular extensions
•Flagella-singular tubule
◉ DNA. Answer: •DNA nucleotide and nitrogen base pairs
•Chromatin
•Noncoding proteins
◉ Chromosomes. Answer: •Consist of DNA and proteins
•End is a telomere
, ◉ Gene. Answer: •Sections on the double helix of DNA
•Passed on to offspring (forms genotype)
◉ Epithelial Tissue. Answer: •Lines outside and interior areas of the
body
•May be squamous, cuboidal, or columnar
◉ Connective Tissue. Answer: •Large extracellular matrix and
fibroblast cells
•May be collagen, elastic, or reticular; includes blood and bone
◉ Muscle Tissue. Answer: •Made of fibers consisting of actin and
myosin
•May be smooth, cardiac, or skeletal
◉ Neural Tissue. Answer: •Neurons and neuroglial cells
◉ Atrophy. Answer: •Decrease in cell size and number
•Conserves energy and resources
•Autophagic vacuoles