During replication, the strands of a double-stranded DNA molecule separate from each other when a set of bonds are broken. What did these bonds join together?

a

amino acids

b

5-carbon sugars

c

phosphate groups

d

nitrogenous bases

Definition: This is an organism that relies on other organisms for its food and energy supply; also called a heterotroph.

What are some good resources and tv shows about dinosaurs?

1. When homozygous white cattle are crossed with homozygous red cattle, each of the offspring has a mis of white and red hairs. This blend of colors is called roan.

It has been discovered that many plants synthesize molecules that destroy the corpora allata, which are the structures responsible for synthesis of juvenile hormone. Insects exposed to these molecules do not molt.

A push or pull exerted on an object is called

Read the list of common household substances. Antacid, orange juice, toothpaste, vinegar Which of these substances are likely to have a bitter taste? Antacid, vinegar Antacid, toothpaste Orange juice, vinegar Orange juice, toothpaste

Which of the following do fish NOT use to breathe? A. air bladder B. pharyngeal slits C. pores on their back D. olfactory bulbs

Imagine a protein that has been engineered to contain a nuclear localization signal, a nuclear export signal, a C-terminal peroxisomal targeting sequence, and a canonical endoplasmic reticulum (ER) signal sequence.

Which organelle receives protein from endoplasmic reticulum and sorts and packages it for delivery outside cell?

Eukaryotic cells have many different specialized structures that are involved in making, organizing, and delivering a protein molecule. Describe the four organelles that are involved and the sequence of events of this process.