April 21, 2014

Homework Help: Biology

Posted by Paige on Friday, April 22, 2011 at 5:13pm.

I believe that I have answered the following questions correctly, but would like some reassurance.

organisms that are used to decontaminate soils may
a. store contaminates in their tissues
b. release pollutants into the air
c. degrade the pollutants
d. be plants or microorganisms
**e. all the above**

polysaccharides are used by plants for
a. food storage
b. food storage and structural support
c. cementing cells together
d. structural support
**e. food storage, structural support, and cementing cells together**

Chemicals produced by one group of cells that affect other target cells are called
a. secretions
b. plymers
c. steroids
**d. signaling molecules**
e. enzymes

The endosperm of a plant
a. produces sperm cells
b. protects the young embryo within a seed
**c. is the food supply for the new sporophyte plant**
d. provides a connection between the ovary of a flower and a developing seed
e. composed of haploid tissue

Answer this Question

First Name:
School Subject:

Related Questions

math - Sheryl correctly answered 85% of the questions on her 200-question ...
math - Sheryl correctly answered 85% of the questions on her 200-question ...
Cover letter Help - Okay, so I'm trying to get a job at this grocery store. And ...
11th grade Biology - I have three questions that I can't find anywhere. 19) ...
biology - 1. The function of the circulatory system is to: A. Deliver oxygen and...
biology - Ectothermic organisms have body temperatures that vary with the ...
AP BIOLOGY - I have a quiz on genetics on friday in AP Biology and I would like ...
Math - Earl answered 2 more math questions correctly than Anna did. Anna ...
biology - how can a biologists influences lead to a greater understand of the ...
Science - Hi, I have two questions about biology I need help with. 1) Some ...