Biology, 07.05.2021 23:40 veronicamixon1970
Which best summarizes organ systems
a. a group of organelles working together to perform a certain job
b. a group of tissues working to perform a certain job
c. a group of Organs working to perform a certain job
d. a group of cells working together to perform a certain job​
Answers: 3
Biology, 22.06.2019 00:00
If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.
Answers: 3
Biology, 22.06.2019 05:20
Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.
Answers: 3
Biology, 22.06.2019 16:30
Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.
Answers: 3
Which best summarizes organ systems
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