Q1 if relatively small carbonaceous chondrites from space

Assignment Help Biology

Reference no: EM13352931

Q1. If relatively small carbonaceous chondrites from space were a significant source of Earth's original amino acids, then which two of these would have been most important in permitting their organic materials to survive impact with Earth?

I. Carbonaceous chondrites must contain no D-amino acids.

II. Earth's early atmosphere must have had little free oxygen.

III. The chondrites must have arrived on Earth before 4.2 billion years ago.

IV. Earth's early atmosphere must have been dense enough to dramatically slow the chondrites before they impacted.

V. The chondrites must have impacted land, rather than a large body of water.

Q2. Oxygen can easily pass across the cell membrane. If the concentration inside cell is 9 percent and concentration outside the cell is 14 percent, what is going to happen? What is the process called? When will the net low in this direction stop?

Reference no: EM13352931

Questions Cloud

Q1 a nation demand for loan is r 20- 05i where r is the : q1. a nation demand for loan is r 20- 0.5i where r is the nominal interest rate. the supply of loans is r2i. if the

Q1 a us resident can earn 6 percent interest on a one-year : q1. a u.s. resident can earn 6 percent interest on a one-year bank deposit of 100000 at home. alternatively she can

Q1 jerry drives up to a gas station before looking at the : q1. jerry drives up to a gas station. before looking at the price he places an order and says id like 10 of gas. what

Qwould you mind assisting with these few questions as well : q.would you mind assisting with these few questions as well since you did an awesome job the first time?1. duracell ltd

Q1 if relatively small carbonaceous chondrites from space : q1. if relatively small carbonaceous chondrites from space were a significant source of earths original amino acids

Q1 due to rising food costs our vending contractor royalle : q1. due to rising food costs our vending contractor royalle vending will implement a slight price increase on all

Q1 when oxygen is added to the anaerobic suspension of : q1. when oxygen is added to the anaerobic suspension of cells consuming glucose at a high rate the rate of glucose

Qa car manufacturer claims that its vehicles average at : q.a car manufacturer claims that its vehicles average at least 25 miles per gallon with a population standard deviation

Q1 suppose there are two elementary schools in a county one : q1. suppose there are two elementary schools in a county. one school a loans all its students a laptop computer for use

User Account

All Pages