Recent questions in Biology

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Although estrogen is primarily produced by ovaries, it is also produced by the adrenal glands and in fat tissue. Young female athletes who train strenuously often find that their menstrual cycle shuts

Mshafrir asked Dec 24, 2024

by Mshafrir

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96.7k views

A high concentration of calcium salts is normally found within the cytoplasm of a protozoan, while the surrounding environment contains a lower concentration of calcium salts. The higher concentration

DHRUV GUPTA asked Dec 24, 2024

by DHRUV GUPTA

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2 answers

2 votes

115k views

How are vacuoles presented in different cells (plant/animal)?

Brandon Lee asked Dec 24, 2024

by Brandon Lee

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4 votes

149k views

Help!! What is the genetic material found in the nucleus called? Chromosomes Nucleoid Ribosomes Osmosis

Graeme Bradbury asked Dec 24, 2024

by Graeme Bradbury

7.6k points

2 answers

3 votes

201k views

Look at the shape of the _____ (ex: is the leaf more oval or more elongated? are the cells rounded, cuboidal, or rectangular in shape? are the margins smooth?)

Tomsihap asked Dec 24, 2024

by Tomsihap

7.8k points

1 answer

3 votes

78.1k views

Describe the sun flow of energy through an ecosystem from the beginning to the end.

Yasmeen asked Dec 24, 2024

by Yasmeen

8.8k points

1 answer

4 votes

222k views

Giraffids use their incisiform canine teeth and incisors to _______________ leaves from small branches.

DuncanACoulter asked Dec 24, 2024

by DuncanACoulter

7.7k points

1 answer

5 votes

102k views

The 1st-order neuron of the spinothalamic tract synapses with an ipsi-lateral cell body in the dorsal horn of the spinal cord. After ascending tracts synapse, they then cross the ________. 1) Medulla 2)

Frank N Stein asked Dec 24, 2024

by Frank N Stein

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1 answer

0 votes

64.3k views

What specific techniques are used to determine or estimate sex, age at death, stature, and minimum number of individuals?

Saulius asked Dec 24, 2024

by Saulius

8.4k points

1 answer

5 votes

40.0k views

The function of the anterior longitudinal ligament on the vertebral bodies is A) to prevent hyperextension of the back. B) to allow for extensive lateral movement and rotation of adjacent vertebrae. C)

Mwittrock asked Dec 24, 2024

by Mwittrock

8.4k points

1 answer

0 votes

15.1k views

How would muscle contractions be affected if ATP was completely depleted in a muscle fiber? a. Increased contractions b. No effect on contractions c. Prolonged contractions d. Inability to contract

Harry Zhang asked Dec 24, 2024

by Harry Zhang

8.6k points

1 answer

3 votes

192k views

Wheat stem rust (Puccinia graminis) is a fungus that can cause disease in wheat plants. The fungus infects a wheat plant by injecting proteins into the plant's cells. These proteins help the fungus grow

Hangster asked Dec 24, 2024

by Hangster

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2 answers

5 votes

39.0k views

When does female pill bugs reproduce?

Masoud Tavakkoli asked Dec 24, 2024

by Masoud Tavakkoli

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1 answer

4 votes

233k views

What is clinically significant about the two terminal branches of the radial nerve located within the forearm? A) They are sensory nerves. B) They are responsible for elbow flexion. C) They innervate the

Bouzid Zitouni asked Dec 24, 2024

by Bouzid Zitouni

8.3k points

1 answer

0 votes

178k views

_________ ________ cells can detect self from non-self and when viral proteins are displayed; the infected cells are identified as non-self and destroyed.

Akash Rana asked Dec 24, 2024

by Akash Rana

9.0k points

1 answer

4 votes

21.4k views

There are two bumper cars, the 13 kg red bumper car is moving right at 2 m/s and the 4 kg blue bumper car is stationary. after the collision the red bumper car comes to a stop. assuming that there is no

Keldar asked Dec 24, 2024

by Keldar

8.6k points

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0 votes

68.8k views

Inhibiting the actions of helper T lymphocytes may impair humoral immunity. a. True b. False

Damien Pontifex asked Dec 24, 2024

by Damien Pontifex

8.1k points

1 answer

1 vote

99.9k views

The ________ protein complex facilitates the interaction between cytoplasmic dynein, a cargo vesicle, and a microtubule.

Tarifazo asked Dec 24, 2024

by Tarifazo

8.9k points

1 answer

3 votes

30.8k views

The complete destruction of all microorganisms is called A. sanitization. B. sterilization. C. antisepsis. D. microbial control.

Mark J Miller asked Dec 24, 2024

by Mark J Miller

8.1k points

1 answer

0 votes

226k views

The autonomic nervous system serves as the _____ point for the internal organs of the body.

MetaClass asked Dec 24, 2024

by MetaClass

7.9k points

1 answer

2 votes

234k views

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