Delgado Biology 141 Final Latest(2024/2025) Questions and Answers 100% Correct.
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Course
Delgado Biology 141
Institution
Delgado Biology 141
A gram of fatty acid can yield how many more times the
energy as one gram of glucose?
A. 6x
B. 5x
C. 4x
D. 3x - Answer-D. 3x
____ are polymers containing up to 20 different kinds of naturally occurring amino acids
a) Lipids
b) Proteins
c) Carbohydrates
d) Nucleic acids - Answer-b) Protein...
Delgado Biology 141 Final
A gram of fatty acid can yield how many more times the
energy as one gram of glucose?
A. 6x
B. 5x
C. 4x
D. 3x - Answer-D. 3x
____ are polymers containing up to 20 different kinds of naturally occurring amino acids
a) Lipids
b) Proteins
c) Carbohydrates
d) Nucleic acids - Answer-b) Proteins
______ cells such as gametes contain one set of
chromosomes.
A) Muscle
B) Somatic
C) Diploid
D) Haploid - Answer-D) Haploid
_______ adapted plants such as cacti, pineapples, etc. show a pattern of stomatal opening and closing
that is the reverse of C3 plants.
A. C4
B. Temperate
C. CAM
D. Calvin cycle - Answer-C. CAM
,_______ is a process of nuclear division in which the number of chromosomes in certain cells is halved
during gamete formation.
A) Meiosis
B) mitosis
C) binary fission
D) cytokinesis - Answer-A) Meiosis
________ depend on energy stored in chemical bonds by autotrophs for their food energy.
A. Autotrophs
B. Heterotrophs
C. Oligotrophs
D. Chemotrophs - Answer-B. Heterotrophs
________ is the net movement of substances to regions of lower concentration.
A. Osmosis
B. Active transport
C. Facilitation
D. Diffusion - Answer-D. Diffusion
_________ is the portion of the cell cycle in which the chromosomes are invisible under the light
microscope because they are not yet condensed.
A) Interphase
B) Anaphase
C) Metaphase
D) Telophase - Answer-A) Interphase
__________ is the process by which certain organisms capture energy from sunlight and use it to build
energy-rich food molecules.
A. Metabolism
B. Photosynthesis
,C. Respiration
D. Energy - Answer-B. Photosynthesis
__________ is the stage of mitosis characterized by the alignment of the chromosomes in a circle at the
center
of the cell.
A) Interphase
B) Anaphase
C) Metaphase
D) Telophase - Answer-C) Metaphase
___________ are viruses that attack bacteria.
A) Bacteriophages
B) HIV
C) Influenza
D) Common cold - Answer-A) Bacteriophages
255) The nucleotide sequence of an mRNA codon is composed of how many bases?
A) 1
B) 2
C) 3
D) 16 - Answer-C) 3
A bacteriophage typically attaches to the bacterium and
then
A) converts the bacteria into immortal cells
B) falls off every time
C) injects its nucleic acid into it
D) injects it's viral protein into the bacteria and the viral DNA
, stays outside - Answer-C) injects its nucleic acid into it
A chemical reaction in which the products contain less energy than the _______ will tend to proceed
spontaneously. A. reactants
B. enzymes
C. coenzymes
D. substrates - Answer-A. reactants
A chemical reaction which requires energy is called a(n) ________________ reaction.
A. exergonic
B. endergonic
C. explosive
D. heating - Answer-B. endergonic
___ is(are) the genetic material for all cellular organisms
and some viruses.
A) RNA
B) DNA
C) Mitochondria
D) Chromosomes - Answer-B) DNA
A diploid organism that has two identical alleles for the same trait is called _______ for that particular
trait.
A) Homozygous
B) Heterozygous
C) Dominant
D) Codominant - Answer-A) Homozygous
A distinctive feature of eukaryotes is the organization of tightly packaged chromosomal DNA with
proteins into a membrane-bound structure called a:
a) Nucleolus
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