1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
OleMash [197]
3 years ago
5

Can someone please help with this and explain! I will mark brainliest!!!

Biology
2 answers:
emmasim [6.3K]3 years ago
4 0

Answer:

D       Flow of protons across an electrochemical gradient

Explanation:

The chloroplast adenosine triphosphate (ATP) synthase uses the electrochemical proton gradient generated by photosynthesis to produce ATP, the energy currency of all cells. Protons conducted through the membrane-embedded Fo motor drive ATP synthesis in the F1 head by rotary catalysis.

In chloroplasts, photosynthetic electron transport generates a proton gradient across the thylakoid membrane which then drives ATP synthesis via ATP synthase.

The light-induced electron transfer in photosynthesis drives protons into the thylakoid lumen. The excess protons flow out of the lumen through ATP synthase to generate ATP in the stroma.

Majority of ATP is produced by OXIDATION PHOSPHORYLATION. The generation of ATP by oxidation phosphorylation differs from the way ATP is produced during glycolysis.

Electrons are passed from one member of the transport chain to another in a series of redox reactions. Energy released in these reactions is captured as a proton gradient, which is then used to make ATP in a process called chemiosmosis.

Dimas [21]3 years ago
4 0

D.Flow of protons across an electrochemical gradient

is the correct answer

You might be interested in
The extensor hallucis longus m. is supplied by what artery?
ASHA 777 [7]
<span>The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington. They may not be utilized, reproduced, stored, or transmitted in any form or by any means, electronic or mechanical, or by any information storage or retrieval system, without permission in writing from the University of Washington. </span>
8 0
3 years ago
Hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as a. Cedar b. Elm c. Pine d. All of the a
vodka [1.7K]
D all of the above would be the correct answer
8 0
3 years ago
Write a paragraph on testing probability
VashaNatasha [74]

Explanation:

Probabilities are described as ratios of favorable event outcome to the total number of event outcomes.

This is written as...

P (E) =\frac{n(E)}{n(S)} \\

where...

E= the number of times the event occurs

S= the number of trials

In biology experiments, hypotheses are formed based on research questions, and tested with the use of variables  to provide a particular outcome. Statistics allows for testing data for consistency with the hypothesis, while statistical probability testing can be used in experiments to determine a range of outcomes, from genetic inheritance, evolutionary rates to theoretical experimental results.

In these statistical models, probability distributions are functions that give probabilities for certain event outcomes within an experiment (a set of trials). These may be either continuous, taking a value within a range of two numbers; or discrete, which may be either of two specified values. Discrete probability distributions list each value that a random variable may possibly take on.

Further Explanation:

For example, two types of probability distributions are employed in experimental biology:

Binomial distributions, which are discrete distributions,  provide probability of a certain number of successful events for x  a random variable, in a specific number of trials, n; here, the probability of success of an individual trial is constant at P and only one of two outcomes are possible- this is sampling with replacement.

where...

b(x;  n, P)-the probability that an experiment of n trials results in x successes

nCx- the number of combinations of n things at r time

b(x;  n, P) = [ nCx ]* P^{x}  * (1-P)^{n-x}\\

<em>This is often used in determining potential outcomes before data collection.</em>

A type of continuous distribution, the student's t-test, compares standard deviations and means from two sets of samples or groups to check for significant differences between them.

t= \frac{(x_{1} - x_{2}) }{\sqrt{(\frac{(S_{1}) ^{2} }{n1} }+ (\frac{(S_{2}) ^{2} }{n2 }}

where...

  • x1 and s1 are the mean and standard deviation of sample 1 respectively
  • x2 and s2 are the mean and standard deviation of sample 1 respectively  
  • n1 and n2 are sample sizes in samples 1 and 2 respectively

The null and alternate hypotheses typically theorize the likelihood and significance of certain event outcome probabilities. Critical values of t, along with degrees of freedom are used to determine a range of probable outcomes; probability or p- values along with this range, are used to determine whether either hypothesis is rejected or accepted.

<em>For instance, significant differences between an experimental control and a specific treatment group would show that these occurrences are not due to sampling errors or random chance...</em>

Learn more about calculating probability at brainly.com/question/4021035

Learn more about calculating event probability at brainly.com/question/6649771

#LearnWithBrainly

5 0
3 years ago
Why are humans successful in terms of evolution
Rasek [7]
We live long lives compared to a lot of animals, we are at the top of the food chain, we are omnivores and have a larger variety of foods we can eat that’ll nurture our bodies
6 0
2 years ago
_____ 1. What are all living things composed of?
damaskus [11]
1 is D
2 is C
3 is A
4 is B
5 is A
6 is D
7 is B
8 is C
9 is asexual reproduction
10 is sexual reproduction
6 0
3 years ago
Read 2 more answers
Other questions:
  • What plant has the binomial (scientific name Ilex aquifoliam? plss​
    14·1 answer
  • <img src="https://tex.z-dn.net/?f=%28%20-%203%29%20%2B%20%28%20-%206%29%20%5Ctimes%20%28%20-%205%29%20%5Cdiv%202" id="TexFormula
    10·1 answer
  • Which energy source is considered non renewable?
    5·2 answers
  • What is meant by the statement "Evolution may proceed along 'genetic lines of least resistance'"?
    9·1 answer
  • For a certain insecticide, the LD-50 dosage level for rats is determined to be 250 milligrams per kilogram of body mass. On the
    15·1 answer
  • An organism has 50 chromosomes in its body cells, how many chromosomes are in it’s sex cells?
    5·2 answers
  • Line B in the given graph represents the reaction with an enzyme added to substrates. How did the enzyme affect the reaction?
    11·1 answer
  • La Selva Biological Station and the Braulio Carrillo National Park in Costa Rica are an example of La Selva Biological Station a
    13·1 answer
  • The molecules in this diagram are moving in a
    13·1 answer
  • Explain in your own words why there is uncertainty in science. What can scientists do to reduce uncertainty in science?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!