How Embryos of placental mammals excrete nitrogen wastes
How embryos of placental mammals excrete the nitrogen wastes?
Expert
Placental animals, comprising embryos, excrete urea. In adult placental mammal, urea is excreted via the urine. In embryos, the molecule passes to the mother’s blood via the placenta and it is excreted in mother’s urine.
I. It is the quickest means of transmitting messages. II. E-mail does not thrust itself upon the receiver. You can check your mailbox and receive your messages at your leisure. III. E-mail saves you from telephone tags.
Explain how does the vegetal stratification of an ecosystem influences the biological diversity?
How are the concepts of DNA, proteins, gene and characteristics feature of living beings associated to each other?
Describe price ceiling?It is a maximum price that sellers can charge for a product.
Describe briefly the term frame shift mutation? Is this mutation alike to single-nucleotide polymorphism?
What are the two major morphological patterns of cnidarians? Regarding locomotion how do such forms distinguish from each other?
Name the respective constituents of the gray and white matter of the spinal cord?
What are the sub-products of the photochemical phase which are necessary for the chemical phase of photosynthesis?
How transport of substances is done across the bryophyte tissues? How this characteristic is associated with the general size of these plants?
What are the positional modifications in pain noted by patients with pericarditis?
18,76,764
1952211 Asked
3,689
Active Tutors
1454976
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!