Recent questions in Biology

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In what ways are the subtropical desert and the Arctic tundra similar?

Stepan Dyatkovskiy asked Nov 18, 2024

by Stepan Dyatkovskiy

8.1k points

2 answers

5 votes

48.5k views

Explain sp hybridization and give an example.

Andreikashin asked Nov 18, 2024

by Andreikashin

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1 answer

5 votes

180k views

What is the animal storage form of Triglycerides? A. Fat B. Starch C. Glycogen D. Oil

Orion Adrian asked Nov 18, 2024

by Orion Adrian

8.9k points

1 answer

0 votes

107k views

Which of the following statements about the pleurae is NOT true? A) The pleural lining reduces friction during ventilation. B) The parietal and visceral pleura are continuous. C) The pleurae create one

Ankit Sangwan asked Nov 18, 2024

by Ankit Sangwan

8.8k points

1 answer

4 votes

40.0k views

By the 12th week of gestation, uterus should have increased in size to be palpable at the________

Selyunin asked Nov 18, 2024

by Selyunin

8.2k points

1 answer

4 votes

154k views

Signaling through the pre-TCR occurs as a result of: A. binding to MHC class I B. binding to MHC class II C. binding to either MHC class I or MHC class II D. successful assembly of the pre-TCR E. expression

Michael Wildermuth asked Nov 18, 2024

by Michael Wildermuth

7.6k points

1 answer

4 votes

55.3k views

What trait differentiates Homo neanderthalensis from Homo sapiens sapiens? -the use of a broad set of lithic tools -lack of mental capacity for abstract and symbolic thought -a stocky build with large

Daveskylark asked Nov 18, 2024

by Daveskylark

8.2k points

1 answer

3 votes

128k views

What does rotation of larvacean fins do?

Shon asked Nov 18, 2024

by Shon

7.7k points

1 answer

0 votes

119k views

What is the hinky pinky for a hyena-like leg iron?

Rabindra asked Nov 18, 2024

by Rabindra

9.1k points

1 answer

4 votes

104k views

An action potential is triggered if the membrane potential at the axon hillock is depolarized to threshold _____. a) True b) False

Kevin Jantzer asked Nov 18, 2024

by Kevin Jantzer

8.7k points

1 answer

1 vote

125k views

What is a derivative of tetracyclines, has a broad spectrum (Gram-positive, Gram-negative, anaerobes, MDR strains), and inhibits protein synthesis by binding to the 30s subunit (same target/structure as

Mfelix asked Nov 18, 2024

by Mfelix

7.9k points

1 answer

0 votes

53.5k views

Of the carrier molecules in the electron transport chain, which has heme as part of its prosthetic group? A) flavoproteins B) iron-sulfur proteins C) cytochromes D) copper-containing cytochromes E) coenzyme

Meatspace asked Nov 18, 2024

by Meatspace

8.2k points

1 answer

5 votes

106k views

Haw many cells are replaced in our bodies every minute?

Bart asked Nov 18, 2024

by Bart

7.8k points

1 answer

5 votes

31.8k views

Which of these would be used to determine the probability that a certain proportion of offspring will be produced with particular characteristics? -Product rule -Binomial expansion equation -Degrees of

Mosby asked Nov 18, 2024

by Mosby

7.7k points

1 answer

2 votes

215k views

_________ which is found in all animal taxa, acts as a neurotransmitter.

StalkerMuse asked Nov 18, 2024

by StalkerMuse

8.2k points

1 answer

5 votes

79.4k views

What hormone is needed to convert sugar, starches and other food into the energy needed for daily life? 1) Insulin 2) Glucagon 3) Thyroxine 4) Epinephrine

Zach Estela asked Nov 18, 2024

by Zach Estela

7.9k points

1 answer

3 votes

97.6k views

An ungulate with a woolly or shaggy white coat and black spike horns would identify what species A) Bison B) Muskox C) Chamois D) Ibex

Hevski asked Nov 18, 2024

by Hevski

7.8k points

1 answer

3 votes

124k views

Sunny makes a poster showing the levels of organization. How can Sunny correct his error? Check all that apply. 1)Arrow A should be reversed. 2)Arrow A should point to the digestive system. 3)Arrow B should

Vishwampandya asked Nov 18, 2024

by Vishwampandya

7.1k points

1 answer

2 votes

47.0k views

Each chromosome has a ___________, a point of constriction containing certain repeated DNA sequences that bind specific proteins?

Mike Christiansen asked Nov 18, 2024

by Mike Christiansen

8.8k points

1 answer

3 votes

154k views

Fire and Mello used which method to discover gene silencing by double-stranded RNA? a) CRISPR-Cas9 b) RNA interference (RNAi) c) Polymerase chain reaction (PCR) d) Gel electrophoresis

Phury asked Nov 18, 2024

by Phury

7.8k points

1 answer

2 votes

128k views

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