Many flowers produce nectar. What is a purpose of nectar? to remove excess water to shield petals from damage to attract birds and insects to trap pollen and bees

A hypothesis is a purpose for a scientific

What has to happen to the organism before it turns into a fossil?

A person going to bed because she feels sleepy is an example of a (n) _response to an stimulus. O A) voluntary; internal OB) voluntary, external OC) involuntary; internal OD) involuntary, external

Describe what happens during the regeneration stage of the calvin cycle

How do enzymes increase the rate of chemical reactions?

What feature do lymphatic vessels share with veins that allows lymph to flow in only one direction?

The negative stain is used to the negative stain is used to determine cell size. visualize endospores. determine flagella arrangement. visualize the outer membrane. determine gram reaction.

The visible part of the ear has the ability to stretch significantly, and then recoil back to its original position. Which protein fiber must be present?

Which cellular process takes place in the ribosome that are bound to the endoplasmic reticulum

How are the order of codons determined? The DNA sequence determines the order. The RNA sequence determines the order. The number of genes determines the order.