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GED Science (Structure and Function of Life, Life Function and Energy Intake and Heredity)
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
What is the primary function of photosynthesis?
To break down glucose for energy
To release carbon dioxide into the atmosphere
To produce oxygen for animals
To change light energy into chemical energy
2
Fermentation requires oxygen to produce energy.
False
True
3
Humans have 24 pairs of chromosomes.
False
True
4
Where does photosynthesis take place in plant cells?
Nucleus
Chloroplast
Mitochondria
Ribosome
5
What is the main function of epithelial tissue?
Enabling movement
Transmitting signals
Protecting the body, absorbing nutrients, and secreting substances
Supporting and connecting other tissues
6
What is the primary function of mitochondria in a cell?
Energy production
Photosynthesis
Protein synthesis
Waste breakdown
7
What is the purpose of a Punnett Square?
To transcribe RNA
To calculate the probability of inheritance of a trait
To translate proteins
To replicate DNA
8
Which of the following is released as a byproduct during photosynthesis?
Carbon dioxide
Oxygen
Glucose
Water
9
In cellular respiration, what molecule is broken down to release energy?
Carbon dioxide
Oxygen
Water
Glucose
10
Which type of tissue is responsible for transmitting signals throughout the body?
Connective tissue
Epithelial tissue
Nervous tissue
Muscle tissue
11
Meiosis results in two daughter cells that are genetically identical to the parent cell.
False
True
12
True or False: The Golgi apparatus is involved in the packaging and transport of proteins within the cell.
True
False
13
How many chromosomes do humans have?
44
23
22
46
14
What process involves cells extracting energy from food and building necessary substances?
Respiration
Photosynthesis
Metabolism
Digestion
15
What is the "energy currency" of the cell?
DNA
Glucose
ATP
RNA
16
What does the cell theory state?
All living things are made of one or more cells.
Cells are the smallest unit of life.
All living things are made of multiple cells.
Cells are the building blocks of life.
17
What is the main product of photosynthesis that plants use for energy?
Glucose
Oxygen
Carbon dioxide
Water
18
The process of DNA replication is semi-conservative.
True
False
19
During which phase of mitosis do chromosomes line up in the center of the cell?
Prophase
Metaphase
Anaphase
Telophase
20
Which nitrogenous base is found in RNA but not in DNA?
Cytosine
Uracil
Thymine
Adenine
21
What is the central dogma of molecular biology?
RNA replication, DNA transcription, protein translation
DNA replication, protein transcription, RNA translation
Protein replication, DNA transcription, RNA translation
DNA replication, RNA transcription, protein translation
22
Where in the cell does aerobic respiration occur?
Chloroplast
Ribosome
Mitochondria
Nucleus
23
What type of respiration occurs when oxygen is not available?
Photosynthesis
Aerobic respiration
Fermentation
Osmosis
24
Which process produces less energy: aerobic respiration or anaerobic respiration?
Anaerobic respiration
Both produce the same amount
Aerobic respiration
It depends on the organism
25
What type of muscle tissue is responsible for involuntary movements in internal organs?
Smooth muscle
Skeletal muscle
Connective muscle
Cardiac muscle
26
What is DNA made of?
Proteins
Nucleotides
Lipids
Amino acids
27
Which organelle is known as the control center of the cell, regulating growth and reproduction?
Nucleus
Lysosome
Ribosome
Mitochondrion
28
What is a gene?
A type of chromosome
A protein molecule
A part of DNA that codes for a specific protein
A type of cell
29
What are the four nitrogenous bases found in DNA?
Adenine, Uracil, Cytosine, Thymine
Adenine, Guanine, Uracil, Cytosine
Guanine, Uracil, Thymine, Cytosine
Adenine, Guanine, Cytosine, Thymine
30
How many daughter cells are produced at the end of meiosis?
4
3
1
2
31
What is the end product of lactic acid fermentation?
Glucose
Oxygen
Lactic acid
Alcohol
32
What structure reads the mRNA codons to build a protein?
Mitochondria
Nucleus
Golgi apparatus
Ribosome
33
What are alleles?
Types of proteins
Different variants of the same gene
Types of cells
Types of chromosomes
34
Which phase of the cell cycle is characterized by the cell growing and performing its normal functions?
Metaphase
Cytokinesis
Interphase
Prophase
35
True or False: Photosynthesis is the process by which plants convert light energy into chemical energy.
True
False
