AC-HPAT Biology Exam 1 || All Questions & Solutions (100% Correct)
AC-HPAT Biology Exam 1 || All Questions & Solutions (100% Correct)
What is cellular respiration? - ANSWER - Complicated process that releases energy from food in the presence of oxygen
Three stages of cellular respiration - A...
, AC-HPAT Biology Exam 1 || All
Questions & Solutions (100% Correct)
What is cellular respiration? - ANSWER - Complicated process that releases energy
from food in the presence of oxygen
Three stages of cellular respiration - ANSWER - glycolysis, krebs cycle, electron
transport chain
Glycolysis - ANSWER - the breakdown of glucose by enzymes, releasing energy and
pyruvic acid.
Krebs cycle - ANSWER - The cycle harnesses the available chemical energy of
acetyl coenzyme A (acetyl CoA) into the reducing power of nicotinamide adenine
dinucleotide (NADH). The TCA cycle is part of the larger glucose metabolism
whereby glucose is oxidized to form pyruvate, which is then oxidized and enters the
TCA cycle as acetyl-CoA.
electron transport chain - ANSWER - a series of proteins in which the high-energy
electrons from the Krebs cycle are used to convert ADP into ATP
How do enzymes aid digestion? - ANSWER - Enzymes are proteins that speed up
chemical reactions ( and digestion) They break down food into smaller, simple
molecules that can be absorbed into the blood stream.
Eukaryote - ANSWER - A cell that contains a nucleus and membrane bound
organelles
Prokaryote - ANSWER - A unicellular organism that lacks a nucleus and membrane
bound organelles
Virus - ANSWER - A tiny, nonliving particle that invades and then reproduces inside
a living cell. a virus is simply "a piece of information." And it's sole goal is to replicate
Virus structure - ANSWER - Contains genetic material either DNA or RNA, and a
protein coat.
Eukaryotic life cycles - ANSWER - - for Non sexual cells, cells have 2 phases,
interphase - or growth. Interphase is divided up into 3 steps, G1 (grow gap 1), S
( synthesis/ making DNA ) and G2 ( grow Gap 2). The second phase is m -phase
( mitosis - splitting into 2 identical 46 chromosome cells) or in the case of sexual cells
-meiosis ( splitting into 4 non identical 23 chromosome cells)
prokaryotic life cycle - ANSWER - 1. undergo binary fission ( copy DNA and split cell
into two.)
2. Produce two daughter cells
3. Exact copy of the parent cell.
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