Critical Thinking
Where does the mutation that causes this disorder occur?
A. The mutation occurs on the DNA
B. The mutation occurs on the RNA
C. The mutation occurs on the ribosomes
D. The mutation occurs on the amino acid
A. The mutation occurs on the DNA
The smallest living unit of an organism is a ______
A. cell
B. molecule
C. organ
D. tissue
A. cell
Which best describes why protein functions are diverse?
A. Protein creation is an unregulated process
B. Some proteins are not formed from amino acids
C. Proteins are formed through different types of bond
D. All proteins contain unique three dimensional structure
D. All proteins contain unique three dimensional structure
Why do people sweat excessively when exercising outside on a hot day?
A. When a body temperature rises sebaceous glands
B. Just like jumping in a swimming pool
C. When you are exercising
D. When the body temperature rises the dermal blood vessels dilate and the sweat glands begin to secrete more sweat
D. When the body temperature rises the dermal blood vessels dilate and the sweat glands begin to secrete more sweat
What is the name of the organelle that is the site of protein sythesis? it is sometimes found in the cytoplasm and sometimes attached to the Endoplasmic Reticulum?
A. mitochondria
B. lysosome
C. golgi apartus
D. Ribosome
D. Ribosome
A muscle cramp is most likely due to a lack of
A. ADP
B.ATP
C. Protein
ATP
What system defends the body from invading microorganisms and viruses
A. immune system
B. endocrine system
C. respiratory system
D. digestive system
A. immune system
Which BEST describes the result of this mutation?
A. The entire sequence of amino acids is changed
B. The RNA strand does not code for the correct amino acids
C. The change in amino acids
D. The alternation of a single nucleotide encodes for a different amino acids
D. The alternation of a single nucleotide encodes for a different amino acids
Which of the following is the organelle in a cell that is the control center and contains DNA?
A. nucleus
B. Mitochondria
C. endoplasmic reticulum
D. golgi appratus
A. Nucleus
Place the following events of Protein Synthesis in the correct order
1. Protein
2 DNA
3 Translation
4. mRNA
5. Transcription
2,5,4,3,1
Select the correct sequence for the order that things are organized in the body from simple to complex.
A. cells, tissues, organs, organ system
B. organ system, organ, tissue, cells
C. tissues organs organ system cells
D. cells organs organ system tissue
A. cells, tissues, organs, organ system
Which mRNA strand is produced from DNA strand that reads ATGCTA?
A.TACGAT
B.UACGAU
C.ATGCTA
D.AUGCUA
B.UACGAU
The skin functions to
A. prevent water loss from deeper tissues
B. regulate body temperature
C. excrete waste substance
D. All of the above
D. All of the above
Which statement correctly describes proteins?
A. Polypeptide chains are formed in the nucleus
B. DNA is the original source of protein structure
C. The function of a protein is determined by the RNA
D. Each nucleotide base is encoded into a single amino acid
B. DNA is the original source of protein structure
Homeostasis refers to
A. changing external conditions
B. stable external conditions
C. changing internal conditions
D. stable internal conditions
D. stable internal conditions
The diagram is showing
A. DNA stored in cells as chromosomes
B. Chromosomes are stored in the nucleus
C. DNA is important to living things
D. Living things make proteins from DNA
A. DNA stored in cells as chromosomes
A protein that is fibrous, and is the main structural component of hair, nails, horns, feathers, and hooves is called keratin
True/False
True
What is the process of copying DNA information into the structure of messenger RNA called?
A. translation
B. deaminoacidation
C. transcription
D. respiration
C. transcription
What is a protein of red blood cells that contain iron and carries oxygen from the lungs to the tissues and carbon dioxide from the tissues to the lungs
A. osteoblast
B. Osteroclast
C. Hemoglobin
D. Morrow
C. Hemoglobin
Which of the following best explains why children usually look more like their siblings than their friends?
A. They eat more of the same foods and drinks as their siblings
B. They spend more time together over the years with their siblings
C. They share many of the same genes from their parents with siblings
C. They share many of the same genes from their parents with siblings