Author Question: A student encounters a pondweed which, judging from its appearance, seems to be (Read 797 times)

Sandstorm

  • Sr. Member
  • ****
  • Posts: 268
A student encounters a pondweed which, judging from its appearance, seems to be a charophyte. She brings a sample back to her biology lab. Using only a compound light microscope to study the sample, which of the following features should help her to determine whether the sample comes from a charophyte or from some other type of green alga?
1.    molecular structure of enzymes inside peroxisomes
2.    structure of sperm cells
3.    presence of phragmoplasts
4.    rings of cellulose-synthesizing complexes
A) 1 and 3
B) 1 and 4
C) 2 and 3
D) 1, 3, and 4
E) 2, 3, and 4



Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Try E, I remember this on my test last week. I'm sure I got it right ;)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library