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Bio Tr 1 Exam Part 3

final exam biology Trimester A part 3

TermDefinition
Phase of mitosis when chromosomes line up along the middle of the dividing cell: Metaphase
One product of cellular respiration water
diffusion movement of molecules from an area of high concentration to an area of low concentration
osmosis movement of water across a semi permeable membrane
translation the cell uses information from mRNA to produce proteins
controlled experiment tests the effect of a single variable
organelle that releases energy from sugars and other molecules mitochondrion
organisms that make their own food autotrophs
organisms that eat other organisms heterotrophs
An animal cell that is surrounded by fresh water will burst because osmosis causes water to move into a cell
particle transport that requires input of energy from the cell active transport
Type of RNA that functions as a blueprint for protein synthesis mRNA
The work of scientists generally begins with: making observations and asking questions
genes contain instructions for assembling: proteins
The function of a nucleus store DNA, direct activities of the cell, contains the information to make proteins
genes that are located close together on the chromosome rarely assort independently
nondisjunction failure of homologous chromosomes to separate during meiosis
number of chromosomes in a normal human karyotype 46
cells that do not have a nucleus prokaryotes
DNA replication happens in this cell cycle phase S phase
Created by: Freshmensphs