What is true of all genes?

A.

They use the same kinds of tRNA during protein synthesis.

B.

They have the same DNA sequence.

C.

They have the same mRNA sequence.

D.

They code for proteins with the same amino acid sequence.

What is a mitochondrium?

A father with blood type o and a mother with blood type ab have 2 children. One child has blood type a. What is a possible blood type of the other child?

Between glucose urea k + ATP, which one is permeable

What is the relationship between CO2 and O2 for urchins?

If Oil was spilled in a rainforest ecosystem, what would happen?

I'm writing a 5 para for science ab skin cancer. i have a lot of info but i am having trouble wording it. how should i paraphrase this? "Skin cancer is the uncontrolled growth of abnormal skin cells.

Speciation that results from the formation of a geographic feature that isolates some members of a population from other members is an example of: a. allopatric speciation b. directed speciation c. stabilizing speciation d. sympatric speciation

Vegetative plant organs are the root, stem, and leaf. Each organ has a specific function for the survival of the plant. Which organ is the part of the plant that supports the leaves and flowers?

Which molecule is synthesized by plants and is a major source of energy for plants and animals?

A biology student wants to understand how blood flows through the aorta. To model the heart and aorta, she sets up two identical pressure-controlled tanks that push blood through a 2-centimeter diameter tube. Her results are shown in the table below.