OAT practice test 1 || with Accurate Answers 100%.
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which of the following metabolic compounds is composed of only carbon, oxygen, and hydrogen?
a. phospholipids
b. glycogen
c. peptides
d. rna
e. vitamins correct answers glycogen
glycogen is a polysaccharide, a molecule composed of many bonded glucose molecules; glucoe is a carbohydrate, w...
which of the following metabolic compounds is comp
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OAT practice test 1 || with Accurate Answers 100%.
which of the following metabolic compounds is composed of only carbon, oxygen, and
hydrogen?
a. phospholipids
b. glycogen
c. peptides
d. rna
e. vitamins correct answers glycogen
glycogen is a polysaccharide, a molecule composed of many bonded glucose molecules; glucoe
is a carbohydrate, which are composed of only carbon, oxygen, and hydrogen. most other
metabolic compounds contain other atoms, particularly nitrogen, phosphorous, and sulfur
which of the following are formed when the plasma membrane surrounds a particle outside of
the cell?
a. golgi bodies
b. rough endoplasmic reticulum
c. lysosomes
d. secretory vesicles
e. endocytic vesicles correct answers endocytic vesicles
endocytosis is a process by which cells absorb larger molecules or every tiny organisms, like
bacteria, than would be able to pass through the plasma membrane. endocytic vesicles containing
molecules from the extracellular environment often undergo further processing once they enter
the cell
how many chromosomes does a human cell have after meiosis I?
a. 92
b. 46
c. 23
d. 22
e. 12 correct answers 23
the diploid chromosome # for humans is 46; after dna duplication but before the first cell
division of meiosis, there are 46 chromosomes; after meiosis I, the chromsome # is halved and
equals 23.
a length of dna coding for a particular protein is called a(n)
a. allele
b. genome
c. gene
, d. transcipt
e. codon correct answers gene
genes code for proteins, and genes are discrete lengths of dna on chromosomes; an allele is a
variant of a gene (different dna sequence)
which type of plant produces seeds that are housed inside a fruit?
a. monocots
b. dicots
c. angiosperms
d. gymnosperms
e. nonvascular plants correct answers angiosperms
angiosperms produce flowers, with ovules inside of ovaries; the ovaries become a fruit, with
seeds inside; gymnosperms have naked seeds that are produced in cones or cone like structures
which of the following is an example of the alternation of generations life cycle?
a. asexual reproduction of strawberries by runners
b. annual plants that live through a single growing season
c. ferns that have a large diploid and a diminutive haploid stage
d. insects that have distinct larval and adult stages
e. reptiles that have long periods of dormancy and metabolic inactivity correct answers ferns that
have a large diploid and a diminutive haploid stage
alternation of generations means the alternation between the diploid and haploid phases in plants
animals exchange gases with the environment in all of the following ways EXCEPT
a. direct exchange through the skin
b. exchange through gills
c. stomata
d. tracheae
e. lungs correct answers stomata
plants exchange gases with the environment through pores in their leaves called stomata. animals
exchange gases with the environment in many diff ways - small animals like flatworms exchange
gases through their skin, insects use tracheae, and many species use lungs
which of the following blood components is involved in blood clotting?
a. red blood cells
b. platelets
c. white blood cells
d. leukocytes
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