« previous next »

Author Question: The nitrogenous bases include adenine and _______________ (both purines), as well as thymine and ... (Read 85 times)

luminitza

  • Hero Member
  • *****
  • Posts: 555
on: Aug 20, 2018
The nitrogenous bases include adenine and _______________ (both purines), as well as thymine and _______________.
 Fill in the blank(s) with correct word

Question 2

Describe the anatomy of the pulmonary system.


carolinefletcherr

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Aug 20, 2018
Answer to Question 1

guanine; cytosine

Answer to Question 2

The pulmonary system includes the upper and lower respiratory tracts. The upper respiratory tract includes the nose, nasal cavity, frontal and maxillary sinuses, larynx, and trachea. The lower respiratory tract includes the lungs, bronchi, and alveoli.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Species currently endangered in Canada include (a) the Burrowing Owl, Athene cunicularia; (b) Taylor Species currently endangered in Canada include (a) the Burrowing Owl, Athene cunicularia; (b) Taylor
Multiple crossovers can include more than two chromatids Multiple crossovers can include more than two chromatids
Reutilization of purine and pyrimidine bases Reutilization of purine and pyrimidine bases
Mispairing of O6-methylguanine with thymine in a DNA duplex Mispairing of O6-methylguanine with thymine in a DNA duplex
Deamination of cytosine and adenine, leading to new base pairing and mutation Deamination of cytosine and adenine, leading to new base pairing and mutation
Nucleotide excision repair (NER) of a UV-induced thymine dimer Nucleotide excision repair (NER) of a UV-induced thymine dimer
Video: Plant Defense Mechanisms from Pathogens

For a complete list of videos, visit our video library