Questions by Cruces

Questions by Cruces

The force of contraction (of the heart) can be changed by: a. beta1 adrenergic rececptors. Increasing cAMP leads to increases in PKA, which increases sarcoplasmic calcium by opening VG Ca+ channels for

asked Jan 6, 2021

1 answer

3 votes

79.5k views

Australia is battling water and air pollution caused mainly by a. nuclear power b. mining c. pesticides d. oil spills

asked Aug 3, 2020

2 answers

4 votes

125k views

Which expression is equivalent to Which expression is equivalent to -8(-2h–1)+-4(-2h–2)? 6h+16 24h+6 24h+6 16h+24

asked Jul 5, 2020

1 answer

2 votes

216k views

A group of students was designing an experiment to test the effect of smoking on grass frogs. They hypothesized that keeping the frogs in a smoke-filled environment for defined periods of time would result

asked May 24, 2020

1 answer

5 votes

12.8k views

Which of these is heated up the least by the sun’s energy

asked Feb 27, 2020

2 answers

0 votes

200k views

What is behind the movement of blacks from rural to urban areas

asked Oct 14, 2019

1 answer

3 votes

138k views

One package of blueberries cost $3. How many packages can u buy for $9?

asked Jul 24, 2019

1 answer

2 votes

59.5k views

In nestorian organization, the best example comes _____. first next to last last second

asked Jul 21, 2019

2 answers

4 votes

69.5k views

Selena drove at an average speed of 50.55 Miles per hours for 1.75 hours. She stopped at a rest stop and then drove at an average speed of 45.2 Miles per hour for 2.25 hours. Did Selena drive more miles

asked Nov 5, 2018

1 answer

5 votes

228k views

Question 15 (5 points) ¿Qué haces, Carlos? Question 15 options: Estás comiendo. Están comiendo. Está comiendo. Estoy comiendo. Save Question 16 (5 points) Si vives en un apartamento no tienes que _____.

asked Mar 2, 2018

2 answers

5 votes

10.4k views

If the sales tax in your city is 4.9%, and an item costs $21 before tax, how much tax would you pay on that item?

asked Feb 6, 2018

2 answers

4 votes

114k views

Tierra bought 4 3/8 yards blue ribbon and 2 1/8 yards yellow ribbon for a craft project. how much more blue ribbon than yellow ribbon did Tierra by

asked Jan 19, 2018

2 answers

5 votes

113k views

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