subject
Biology, 19.10.2019 00:30 perezsamantha3oqr0za

Explain your !
1. all eukaryotic cells have a cytoskeleton, including plant cells, which have cell walls as well. what does the cytoskeleton in a plant cell do that the cell wall cannot? (2 points)

it acts as a framework inside the endoplasmic reticulum and keeps it from collapsing.
it keep the organelles in place and directs their movement as needed.
it provides energy and to move molecules throughout the cell.
it keeps the dna safely enclosed in the nucleus and holds the nucleus together.

2. cellular respiration is a series of complicated reactions. some of the enzymes that are necessary for the reactions to take place effectively are not produced by the body and must be eaten in a person's diet. which answer correctly explains what happens when a person's diet lacks the necessary enzymes for cellular respiration? (2 points)

the production of atp will increase as the enzyme decreases.
the cellular respiration reactions will use another available enzyme.
the cellular respiration reaction rate that uses the missing enzyme will increase.
the cell's energy level will diminish as the enzyme decreases.

3. while the average human is able to hold his or her breath for approximately one minute, a whale can dive for over 30 minutes without returning to the surface. which of the following correctly describes this difference? (2 points)

whales need less energy than humans.
whales gather energy from their environment better than humans.
whales are able to conserve oxygen better than humans.
whales have cells that produce energy differently than humans.

ansver
Answers: 3

Another question on Biology

question
Biology, 21.06.2019 22:00
Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).
Answers: 1
question
Biology, 22.06.2019 03:30
The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.
Answers: 1
question
Biology, 22.06.2019 05:50
Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?
Answers: 3
question
Biology, 22.06.2019 10:00
Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?
Answers: 3
You know the right answer?
Explain your !
1. all eukaryotic cells have a cytoskeleton, including plant cells, which have...
Questions
question
Mathematics, 20.09.2020 09:01
question
Mathematics, 20.09.2020 09:01
question
Chemistry, 20.09.2020 09:01
Questions on the website: 13722367