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week 1-6SCI221

set 1

QuestionAnswer
What term describes a signal traveling toward a particular center or point of reference? afferent
ATP is the form of energy that cells generally use
The lipid that is often referred to as a tissue hormone is prostaglandin
When two amino acids are joined, a peptide bond is formed and an H+ ion is released. false
Which term means “water loving” and applies to the phospholipid head hydrophilic
Phagocytosis is an example of: endocytosis
Transcription can be best described as the: synthesis of mRNA
The pairing of bases of a strand of DNA is obligatory. If a strand of DNA were composed of the base sequence of ATCG, what would be the obligatory sequence of its opposing base pairs? Correct! TAGC
Materials can be moved from a low concentration to a high concentration through: active transport
The correct order of the phases of mitosis is prophase, metaphase, anaphase, telophase
Which of the following vitamins is(are) absorbed through the skin? Vitamin A, Vitamin D, Vitamin K
Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? Astrocytes
Which of the following is not a proteoglycan found in the matrix of connective tissue? Collagen
Which tissue is most likely to form a keloid scar as it heals? connective
true or false:Young children’s bones have a greater risk of fracturing because of incompletely ossified bone. false
the cell organelles that synthesize organic matrix substances in bone formation are: endoplasmic reticulum and Golgi apparatus.
Which type of muscle is responsible for peristalsis? Single-unit smooth
The protein molecule that has heads jutting out for cross-bridging is: myosin
Three phases of the twitch contraction are the latent period, contraction phase, and relaxation phase
Attempting to pick up an object too heavy to lift would result in which type of muscle contraction? isometric
Created by: Kathyl0ve
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