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teas test (life sciences) Questions (Practice Test 4) Questions with 100% correct answers verified latest
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  • June 17, 2024
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  • 2023/2024
  • Exam (elaborations)
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  • teas test life sciences questions practice test

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teas test (life sciences)
which of the following polymers is created by joining amino acids?
A. DNA
B. Lipid

✅✅
C. Protein
D. Carbohydrate - -C. Protein

Which of the following nucleotides is NOT found in DNA?
A. Adenine
B. Uracil

✅✅
C. Thymine
D.) Cytosine - -B. Uracil is a nucleotide found in RNA

Which of the following compounds is NOT created by joining Monosaccharides?
A. Glycogen
B. Starch

✅✅
C. Cellulose
D. Guanine - -D. Guanine is a nucleic acid, not a polysaccharide

The golgi apparatus is responsible for which of the following tasks?
A. Protein synthesis
B. Intracellular and extracellular transport

✅✅
C. Storage and replication of DNA
D.) Production of ATP - -B.

Which of the following structures is embedded in the cell membrane to facilitate
movement of molecules across the membrane?
A. Atp
B. Proteins

✅✅
C. Glucose
D. Lipids - -B. Protein

If a student places a cell with 50 mM intracellular ion content into a solution
containing 20 mM ion content what will happen to this system?
A. Water will move out of the cell, decreasing its size
B. Water will move into the cell, increasing its size

✅✅
C. Ions will move into the cell
D. There will be no movement of water or ions across the cell membrane - -B.
The concentration of cells is higher inside the cell than outside, so water will move
into the cell from the environment

Which of the following cannot move across the cell membrane without the use of
energy

, A. Water
B. Potassium

✅✅
C. Sodium
D. Glucose - -D. A glucose membrane is too large to pass through the cell
membrane without help of special proteins

in a sample a scientist finds 6.5 pg of DNA while in another he finds 13 Pg, what
stage of the cell cycle is the first cell in?
A. Interphase G1
B. Interphase S

✅✅
C. Interphase G2
D. Mitotic phase - -A. the cell hasn't replicated itself yet.

At the end of which phase of mitosis are chromosomes first visible under a
microscope?
A. Interphase
B. Prophase

✅✅
C. Metaphase
D. Anaphase - -B. during prophase the DNA replicated during interphase
condenses into chromosomes.

Which of the following describes why small sections of DNA are lost during
replication?
A. Sections of DNA between Okazaki fragments aren't recovered
B. DNA polymerase cannot replicate the end of a DNA strand

✅✅
C. DNA cannot be read in the 5' 3' direction
D. The iniator protein binds to only one strand of DNA - -B.

what is the compliment of codon ACU - ✅✅-UGA
Which of the following subatomic particles are found in the nucleus of an atom?
A.) Protons only
B.) Electrons only

✅✅
C.) Protons and neutrons only
D.) Proteon neutrons and electrons - -C.

What is the charge of an atom with 5 protons and 7 electrons?
A. 12
B. -12

✅✅
C. 2
D. -2 - -D. Total is calculated by the difference or number of protons and
electrons... 5-7= -2

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