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TEAS Practice 2023_ Science Questions with 100% correct answers verified latest update with Complete
TEAS Practice 2023_ Science Questions with 100% correct answers verified latest update with Complete
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TEAS Practice 2023: ScienceWhich of the following correctly describes the law of segregation?
A) It states that the segregation of the dominant trait in the phenotype happens in the
hybrid offspring.
B) It states that all the genetic factors are present in the DNA.
C)It states that allele pairs segregate during gametogenesis and reunite randomly
during the fertilization process.
✅✅
D) It states that the hereditary factors segregate independently of one another during
gametogenesis. - -It states that allele pairs segregate during gametogenesis
and reunite randomly during the fertilization process is the correct answer.
The law of segregation states that each pair of alleles segregate randomly during
gametogenesis (gamete formation). This means that each gamete (sex cell) receives
one copy of a gene (an allele). They later reunite or combine randomly during
fertilization. This way, the offspring acquires one allele from each of the parents.
The law of ________ states that the offspring will always display the dominant trait in
the phenotype by suppressing the recessive trait.
A) independent assortment
✅✅
b) dominance
C) segregation - -dominance
The law of ______assortment states that the traits inherited by the offspring are
independent of each other. Two or more traits do not influence one another.
A) independent assortment
✅✅
b) dominance
C) segregation - -independent assortment
ionic bond - ✅✅-Formed when one or more electrons are transferred from one
atom to another
examples of ionic bonds - ✅✅-NaCl
hydrogen bond - ✅✅ -weak attraction between a hydrogen atom and another atom,
a bond between a partial positive and a partial negative
examples of hydrogen bond - ✅✅-DNA and proteins
polar bond -✅✅-a covalent bond in which electrons are shared unequally
example of polar bond - ✅✅-H2O
, how do ribosomes carry out protein synthesis?
A)Ribosomes carry the codons required for protein synthesis.
✅✅
B)Ribosomes can decode mRNA and assemble amino acids for protein synthesis. -
-Ribosomes can decode mRNA and assemble amino acids for protein
synthesis.
What is the correct sequence in which inhaled air passes through the respiratory
tract? Nasal cavity, ____, _____, trachea, bronchi, bronchioles
larynx/pharynx - ✅✅-Nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles
follicle stimulating hormone (FSH), responsible for the maturation of egg and sperm,
and luteinizing hormone (LH), responsible for producing testosterone, are both
produced by what gland?
A) Thyroid
B) anterior pituitary
✅✅
C) posterior pituitary
D) adrenal - -anterior pituitary
describe muscle contraction - ✅✅-occurs upon stimulation of neurotransmitters
released in the neuromuscular junction. The process requires ATP and involves
shortening of sarcomeres by the sliding of actin and myosin past each other.
1 lb= ___ kg - ✅✅-2.2
Which would be the approximate mass of a car?
A) 180,000 kg
B) 18 kg
✅✅-1,800 kg
C) 180 kg
D) 1,800 kg -
The respiratory system is composed of organs that facilitate gas exchange between
the blood and the external environment. Which of the following describes the group
of organs that function during gas exchange?
A) Tissue
B) Organ System
✅✅
C) Organ
D) Organelle - -organ system: A group of organs that work together to perform
several related functions is an organ system.
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