If there is a 1/2 probability of having a green seed and a 1/4 probability of having a round seed, then what is the probability that the progeny will have both green and round seeds?

What is gravity? explain good

In order to add the gene for human insulin to a bacterial plasmid, the DNA molecules have to be "cut" with enzymes called restriction endonucleases and then pasted back together with enzymes called DNA ligases.

Susan needs to measure and heat

Which layer of the atmosphere has the most air pressure

Which of these describes a difference between viruses and cells? Your answer: A. Cells contain protein, and viruses contain only carbohydrates. B. Cells reproduce independently, and viruses require a host to reproduce. C.

Write the complimentary DNA strand A-C-T-C-G-G-T-A-A

What characteristics do all archea and bacteria have in common? Choose ALL answers that are correct 1. Live in other organisms 2. have cell walls 3. exhibit identical biochemical makeup 4. have a single circular chromosome

Filtrate becomes less concentrated as it flows down the medullary collecting ducts. True or False

Roentgens are used to measure the amount of: A) uranium, B) fuel burned, C) radiation, D) hydrogen isotopes

It is a warm, summer night. The relative humidity is 100%. From dusk until dawn, the air temperature drops from 32˚C to 18˚C (89˚F to 64˚F). What would you NOT expect to see in the morning? A: Clouds B: Frost C: Thunderstorms D: Dew